IC 3050349 User manual

IC Electrical Load Manager 3050349
User Manual
Page 2 of 21
Rev 1
Revision Log
Rev
Date
Author
Approved
Changes
1.0 4/17/2015 KWW Initial release
Copyright  2015 Innovative Controls, Inc.
All rights reserved.
This document contains proprietar information. The ownership of this document and its contents is
retained b Innovative Controls, Inc. B suppl ing this document, Innovative Controls, Inc. neither grants
nor waives an right or license to this document or its contents. The contents of this document as a
whole, or an portion thereof, ma not be disclosed to other parties or reproduced b an means
electronic or mechanical without prior written permission from Innovative Controls, Inc.
Innovative Controls, Inc.
560 Braddock Avenue
East Pittsburgh, PA 15112
TEL: [phone]
FAX: [phone]
Explanation of Sym ols
The exclamation mark within an equilateral triangle is intended to alert personnel performing appl ing
this device to important operating instructions that could result in injur or equipment damage if not
followed accuratel or disregarded.

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Ta le of Contents
1. Features .................................................................................................................................................... 5
2. Operation .................................................................................................................................................. 6
2.1 Sequencing .......................................................................................................................................... 6
2.2 Shedding ............................................................................................................................................. 6
2.3 Shed and Unshed Voltage Thresholds................................................................................................ 6
2.4 Fast Idle ............................................................................................................................................... 6
2.5 Low Voltage Alarm .............................................................................................................................. 7
2.6 Vehicle S stem Inputs ......................................................................................................................... 7
2.7 Auxiliar Batter Monitoring ................................................................................................................. 7
2.8 User Setpoint / Variable Trip ............................................................................................................... 7
2.9 Load Output Modes ............................................................................................................................. 7
2.10 Output Polarit ................................................................................................................................... 7
2.11 Operating Voltage Ranges ................................................................................................................ 8
2.12 Manual Override ................................................................................................................................ 8
2.13 Communication Options .................................................................................................................... 8
3. Programming ............................................................................................................................................. 9
3.1 PROGRAM Switch .............................................................................................................................. 9
3.2 NEXT Switch ....................................................................................................................................... 9
3.3 PRIORITY Switch .............................................................................................................................. 10
3.4 ACTIVE Switch .................................................................................................................................. 10
3.5 MODE Switch .................................................................................................................................... 10
3.6 USER Switch ..................................................................................................................................... 10
3.7 STORE Switch ................................................................................................................................... 10
3.8 Input / Output Polarit ........................................................................................................................ 11
3.9 S stem Voltage Selection ................................................................................................................. 11
3.10 Locking / Unlocking the Front Panel................................................................................................ 11
4. Programming Examples .......................................................................................................................... 12
4.1 Programing the Configuration of Load Output #3 ............................................................................. 12
4.2 Programing the Polarit of Load Output #3 ....................................................................................... 12
4.3 Programing the Polarit of Load Manager Enable Input ................................................................... 12
5. Connections ............................................................................................................................................ 13
5.1 Wiring Accessories ............................................................................................................................ 14
6. Default Settings ....................................................................................................................................... 15
7. Installation ............................................................................................................................................... 16
7.1 Mounting Dimensions ........................................................................................................................ 16

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7.2 Load Wiring Example ........................................................................................................................ 17
8. Accessories ............................................................................................................................................. 20
9. Technical Specifications.......................................................................................................................... 21

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1. Features
The Innovative Controls Inc. Electrical Load Manager is used to monitor a vehicle’s batter s stem and
control electrical circuits to meet requirements detailed in NFPA-1901. All adjustments are made from the
front panel user interface that also serves as a real-time status displa . Features include:
• Main Batter Monitoring meets NFPA-1901
• Auxiliar Batter Monitoring
• Batter Measurements Accurate to +/- 0.5%
• Electrical Load Shedding
• Electrical Load Sequencing
• Twelve Full Programmable Load Outputs
• Four Alarm Outputs
• Low Main Batter Voltage Alarm
• Low Auxiliar Batter Alarm
• Fast Idle Output Function
• Variable User Trip Output
• Master Warning, Load Manager Enable, and Park Brake Inputs
• Load Output Polarities Selectable
• Control Input Polarities Selectable
• Load Output Priorit , Scene or Response Mode, Ignition or Warning Switch Logic all Selectable
• Eas to Read 0.56” High Digital Displa
• Manual Override Switch for Troubleshooting
• -40C to +105C (-40F to +220F) AEC-Q100 Level 2 Operating Temperature
• All Outputs Protected from Over-Current, Reverse Polarit , Over-Temperature, and Transients
• All Outputs Rated for 1A Continuous Dut
• No Configuration Jumpers – All Parameters are Adjustable from the Front Panel
• Lockable Front Panel User Interface
• Default Configuration is Restorable from the Front Panel
• Remote Cab Displa
• J1939 CAN Bus, RS-485, and USB Communication Options
• 12VDC or 24VDC Operation

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2. Operation
2.1 Sequencing
Electrical loads will turn on sequentiall in priorit order from 1 to 8 when their respective logic switch,
either ignition or master warning, is activated and the vehicle is operating in the selected mode, either
response and/or scene. Loads sequence off in reverse order. Priorit zero loads sequence on and off but
will never shed.
2.2 Shedding
The shed point is the voltage that will cause a load to be turned off if the s stem voltage drops to this
point. The unshed point is the voltage that must be achieved before a load is turned back on once it has
been shed.
Electrical loads will be turned off when the s stem voltage drops to the shed point for a minimum of 1
minute. The dela prevents load shedding due to momentar s stem power loading such as high current
transient. Once shed, loads will remain off for a minimum of 5 minutes and until the unshed voltage is
achieved for a minimum of 1 minute. Loads will onl shed if the Parking Brake is set and the Load
Manage Enable input is active.
2.3 Shed and Unshed Voltage Thresholds
The shed and unshed voltage thresholds for each load output are determined b the Priorit number
setting, one through eight, as detailed in the table below:
Priorit Level 12V S stem Shed 12V S stem
Unshed
24V S stem Shed 24V S stem
Unshed
Level 0 Never Shed Not Applicable Never Shed Not Applicable
Level 1 11.0 VDC 11.4 VDC 22.0 VDC 22.8 VDC
Level 2 11.4 VDC 11.6 VDC 22.8 VDC 23.6 VDC
Level 3 11.8 VDC 12.0 VDC 23.6 VDC 24.0 VDC
Level 4 12.0 VDC 12.2 VDC 24.0 VDC 24.4 VDC
Level 5 12.2 VDC 12.4 VDC 24.4 VDC 24.8 VDC
Level 6 12.4 VDC 12.6 VDC 24.8 VDC 25.2 VDC
Level 7 12.6 VDC 12.8 VDC 25.2 VDC 25.6 VDC
Level 8 12.7 VDC 13.0 VDC 25.4 VDC 26.0 VDC
2.4 Fast Idle
The Fast Idle output is activated whenever the s stem voltage is reduced to 12.8 VDC for at least one
minute. The fast idle output will remain ON for a minimum of 10 minutes and until 13.0 VDC is achieved.
The Fast Idle output is dependent on the Parking Brake and Load Manage Enable Inputs. The polarit of
the Fast Idle output can be configured for active high or low from the front panel programming menu.
The Fast Idle output should onl be used as part of a Fast Idle control s stem when the proper safet
interlocks are present.

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The Fast Idle output will turn off immediatel when either the Load Manager Enable or Parking Brake
input is removed.
2.5 Low Voltage Alarm
The Low Voltage Alarm output is activated whenever the s stem voltage drops below 11.9 VDC on a 12
volt s stem or 23.8 VDC on a 24 volt s stem for more than 10 seconds. The Low Voltage Alarm output
goes inactive when the s stem voltage rises to 12.1 VDC on a 12 volt s stem and 24.1 VDC on a 24 volt
s stem for more than 10 seconds. The Low Voltage Alarm output is compliant to NFPA 1901
requirements.
2.6 Vehicle System Inputs
The load outputs can be individuall programmed to activate with either the Ignition switch or the Warning
Master inputs. Loads programmed to activate with the ignition input will sequence on when the vehicle
ignition switch is turned on. Loads programmed to activate with the master warning will sequence on
when the master warning switch is turned on.
2.7 Auxiliary Battery Monitoring
The Electrical Load Manager can be used to monitor an auxiliar batter . If the auxiliar batter voltage
drops below 11.9 VDC on a 12 volt s stem or 23.8 VDC on a 24 volt s stem the auxiliar batter alarm
output will turn on. The polarit of the Auxiliar Batter Alarm output can be configured for active high or
low from the front panel programming menu. Make no connections to the Auxiliar Batter input terminal if
a remote batter is not being monitored.
2.8 User Setpoint / Varia le Trip
The Variable Trip output has a user defined setpoint between 10.5 VDC and 14.5 VDC. For a 12 volt
s stem, and between 21.0 VDC and 29.0 VDC for a 24 volt s stem. If the setpoint is 13.8 VDC or above
on a 12 volt s stem, or 27.6 VDC on a 24 volt s stem the output acts as an overvoltage indicator and will
turn on when the selected voltage is reached. If the setpoint voltage is below 13.8 VDC for a 12 volt
s stem or 27.6 VDC for a 24 volt s stem the output will activate when the voltage drops to the setpoint.
2.9 Load Output Modes
The Electrical Load Manager load outputs cab be programmed for Response Mode, Scene Mode, or
both.
Response Mode: The load output is ON onl when the Park Brake is not set.
Scene Mode: The load output is ON onl when the Park Brake is set.
Both Mode: The load output is ON in both Response and Scene Modes.
2.10 Output Polarity
All load and alarm outputs are user selectable to operate as active high or low side outputs. Low side
outputs provide a connection to ground when the are active. High side outputs provide a connection to
Main Batter when the are active. The maximum load current for either the high side or low side outputs
must not exceed 1A.

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2.11 Operating Voltage Ranges
The Electrical Load Manager can operating voltage range is 7 to 32VDC.
2.12 Manual Override
When the Manual Override switch on the side of the Electrical Load Manager is activated load outputs 1
through 12 will turn on regardless of the vehicle operating mode or main batter voltage. The output state
LEDs on the front panel will all turn on.
The Manual Override function must be used with caution. Users must be aware of the consequences
of using the Manual Override switch to turn on all of the output load circuits.
The Electrical Load Manager should alwa s be used with the Override switch set to the Normal
Operation mode position.
2.13 Communication Options
The Electrical Load Manager has three different communication options for interfacing to vehicle control
networks. The different load manager options are identified b the following Innovative Controls part
numbers:
Electrical Load Manager with no communication ports 3050349-01
Electrical Load Manager with J1939 CAN bus protocol 3050349-02
Electrical Load Manager with USB communication ports 3050349-03
Electrical Load Manager with RS485 communication port 3050349-04

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3. Programming
The Innovative Controls Electrical Load Manager configurations are all programmed from the front panel
user interface. There are no internal jumpers. A three-digit seven segment displa and four LEDs are
used to indicate the status of the load manager to the programmer.
The Electrical Load Manager programming interface.
3.1 PROGRAM Switch
The PROGRAM switch is used in four different programming modes.
1) Holding both the PROGRAM and USER switches for 3 seconds causes the Electrical Load
Manager to go into program mode where the parameters for each load can be configured. The
displa will flash “---“ for approximatel 1 second to indicate it has entered programming mode
and then “L01” to show that output load 1 has been selected.
2) Holding both the PROGRAM and USER switches for 15 seconds causes the Electrical Load
Manager to load the factor default settings. The displa will go to “dEF” to indicate the default
parameters have been loaded.
3) When the loads manager is in programming mode the PROGRAM switch saves the new values
into the Electrical Load Manager’s non-volatile memor . The displa will go to “Pro” to indicate
that the new settings have been programmed in to the unit.
3.2 NEXT Switch
The NEXT switch is used to sequence through the selected load outputs and/or s stem inputs when the
Electrical Load Manager is in either program or polarit adjustment modes. The displa will indicate the
selected load output, alarm output, or s stem input b turning on the corresponding LED and indicating
the operation on the seven-segment displa .
1) In programming mode the seven-segment displa will c cle from “L01” to “L13” to indicate load
outputs 1 through 13, where load 13 is the user configured variable trip output.
2) In polarit adjustment mode the seven-segment displa will c cle from “01x” to “16x” to indicate
load outputs 1 through 13, alarm and fast idle outputs, and the three s stem inputs, LM Enable,

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Master Warning, and Parking Brake. The “x” value will be either “H” or “L” to indicate high or low
side polarit .
3.3 PRIORITY Switch
The PRIORITY switch selects the sequence and shed priorit level for the selected output. The digital
displa will show the current priorit as the switch c cles through from “P00” to “P08”. Loads sequence on
in priorit from 1 to 8 and the shed off in priorit from 8 to 1. Loads set to priorit 0 will never shed but
the will sequence on and off.
3.4 ACTIVE Switch
The ACTIVE switch toggles the switch source either ignition or warning master for the selected output.
IGNITION LED: Load output is tied to the Ignition switch.
WARNING MASTER LED: Load output is tied to the Master Warning switch.
3.5 MODE Switch
The MODE switch toggles through the available modes for load management when the Electrical Load
Manager is in programming mode, and it toggles between high side and low side polarit when the
Electrical Load Manager is in polarit adjustment mode.
1) In programming mode the MODE switch toggles though the following states:
RESPONSE LED: Output in ON onl when the Parking Brake is NOT set.
SCENE LED: Output is ON onl when the Parking brake is set.
BOTH LED: Output is on regardless of the Parking Brake status.
2) In polarit adjustment mode the MODE switch toggles the polarit setting for the selected input or
output between high side and low side polarit .
The MODE switch is also used in conjunction with the USER to place the Electrical Load Manager into
the polarit adjustment mode as described below.
3.6 USER Switch
The USER switch adjust the setpoint voltage for the Variable Trip output on terminal 19. Pressing the
button increases the setpoint in 0.1V increments from 10.5V to 14.5V for a 12 volt s stem and 21V to 29V
for a 24 volt s stem. If the setpoint is 13.8V or above on a 12 volt s stem or 27.6V on a 24 volt s stem
the output acts as an overvoltage indicator and will turn on when the selected voltage is reached. If the
setpoint voltage is below 13.8 volts for a 12 volt s stem or 27.6 volts on a 24 volt s stem the output will
activate when the voltage drops to or below the setpoint.
3.7 STORE Switch
The STORE switch saves the current configuration for the selected load output, alarm output, or s stem
input when the Electrical Load Manager is in programming or polarit adjustment modes. The displa will
indicate that the value has been saved b going blank for 1 second and then return to the load number or
polarit setting being configured.

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3.8 Input / Output Polarity
The active state polarit of the Electrical Load Manager’s input and output signals is configured in the
polarit adjustment mode. Holding both the MODE and USER switches for 3 seconds causes the
Electrical Load Manager to go into polarit adjustment mode. The displa will flash “PoL“ for
approximatel 1 second to indicate it has entered programming mode and then “01x” to show that output
load 1 has been selected, where “x” is either “L” or “H” to indicate low or high side polarit . Low side
outputs provide a connection to ground when the are active. High side outputs provide a connection to
Main Batter when the are active. Low side inputs are active when the are connected to ground, high
side inputs are active when the are connected to Main Batter .
When the Electrical Load Manager is in the polarit adjustment mode the NEXT switch is used to c cle
from the displa “01x” to “16x” to indicate load outputs 1 through 13, alarm and fast idle outputs, and the
three s stem inputs, LM Enable, Master Warning, and Parking Brake. The front panel LEDs for the
selected output or input will be also illuminated. The “x” value will be either “H” or “L” to indicate high or
low side polarit .
When the Electrical Load Manager is in the polarit adjustment mode the MODE switch toggles the
polarit setting for the selected input or output between high side and low side polarit . Changes to the
input and output polarit are effective immediatel .
Users must be cautious and ensure that the correct input and output polarit is selected for their
application. The Electrical Load Manager’s load and alarm outputs are protected from over-current fault
conditions but that does not guarantee that a load device is protected from a reverse polarit condition.
Changes to the polarit settings are saved in the Electrical Load Manager b pressing the STORE switch.
The STORE switch must be pressed to save an changes to a selected input or output, failure to do so
before stepping to the next input output point will cause the setting to be lost.
The PROGRAM switch is used to permanentl save the polarit configuration in the Electrical Load
Manager’s non-volatile memor and return to normal operation.
3.9 System Voltage Selection
The Electrical Load Manager s stem voltage is selectable from the front panel. When the unit is in
programming mode press the NEXT switch until the digital displa reads either “-12” or “-24”. The USER
switch will toggle the displa between “-12” and “-24”. Once the desired setting has been selected press
the STORE switch until the displa goes blank and returns to the new s stem voltage selection. Press
and hold the PROG switch until “Pro” appears on the digital displa this will indicate the setting has been
saved.
3.10 Locking / Unlocking the Front Panel
The Electrical Load Manager front panel programming interface can be locked to prevent inadvertent or
intentional modifications to the configuration. When the front panel is locked the switches are inactive.
The procedure for locking or unlocking the front panel is identical, the switch press sequence toggles
between locked and unlocked.
To lock the front panel, simultaneousl press and hold the STORE, MODE, and USER switches. After 3
seconds the displa will show “LoC”, release the STORE, MODE, and USER switches and press and hold
the PROGRAM button until the displa changes to “IC”.
To unlock the front panel, simultaneousl press and hold the STORE, MODE, and USER switches. After
3 seconds the displa will show “ULC”, release the STORE, MODE, and USER switches and press and
hold the PROGRAM button until the displa changes back to the main batter voltage.

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4. Programming Examples
The following programming examples show how to make changes to the Electrical Load Manager’s
configuration.
4.1 Programing the Configuration of Load Output #3
The following example shows how to program the load output #3 to shed at 12.0 VDC and onl be active
when the Master Warning Switch is on and the vehicle is in Scene Mode.
1) Press and hold the USER and PROGRAM switches until “---“ is displa ed.
2) Press the NEXT switch two times to step the displa to “L03”.
3) Press the MODE switch until the SCENE LED is on, and the RESPONSE LED is off.
4) Press the ACTIVE switch until the WARNING LED is on.
5) Press the PRIORITY switch until P04 is displa ed on the digital displa .
6) Press the STORE switch until the displa goes blank for 1 second.
7) To configure another output, press the NEXT switch and repeat the above procedure to program
that output to the desired settings.
8) When all the outputs are programmed press and hold PROG switch until “Pro” is displa ed on the
digital displa .
4.2 Programing the Polarity of Load Output #3
The following example shows how to program the load output #3 for low side polarit where the output
will provide a grounded connection when it is active.
1) Press and hold the MODE and USER switches until “PoL“ is displa ed.
2) Press the NEXT switch two times to step the displa to “03n” where ‘n’ is “H” or ”L” to indicate
high or low side polarit respectivel . The LED indicator for Load Output number #3 will also be
illuminated.
3) Press the MODE switch once to toggle the polarit from high “03H”, to low “03L”.
4) Press the STORE switch until the displa goes blank for 1 second.
5) To configure another output, press the NEXT switch and repeat the above procedure to program
that output to the desired settings.
6) When all the outputs are programmed press and hold PROG switch until “Pro” is displa ed on the
digital displa .
4.3 Programing the Polarity of Load Manager Ena le Input
The following example shows how to program the Load Manager Input at terminal 1 for high side polarit .
1) Press and hold the MODE and USER switches until “PoL“ is displa ed.
2) Press the NEXT switch seventeen times to step the displa to “17n” where ‘n’ is “H” or ”L” to
indicate high or low side polarit respectivel .
3) Press the MODE switch once to toggle the polarit from low “17L”, to high “17H”.
4) Press the STORE switch until the displa goes blank for 1 second.
5) To configure another output, press the NEXT switch and repeat the above procedure to program
that output to the desired settings.
6) When all the outputs are programmed press and hold PROG switch until “Pro” is displa ed on the
digital displa .

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5. Connections
Electrical Load Manager connector viewed from wire insertion end.
Terminal Function Polarit Terminal Function Polarit
1 Load Manager
Enable
Selectable 13 Output Load #2 Selectable
2 Output Load #2 Selectable 14 Output Load #2 Selectable
3 Output Load #2 Selectable 15 Output Load #2 Selectable
4 Output Load #2 Selectable 16 Output Load #2 Selectable
5 Output Load #2 Selectable 17 Output Load #2 Selectable
6 Output Load #2 Selectable 18 Output Load #2 Selectable
7 Output Load #2 Selectable 19 Output Variable Trip Selectable
8 Auxiliar Batter
Alarm
Selectable 20 Output Fast Idle Selectable
9 Low Voltage Alarm Selectable 21 Parking Brake Selectable
10 Master Warning
Switch
Selectable 22 No connect * -------------
11 No connect * ------------- 23 Auxiliar Batter -------------
12 Main Batter ------------- 24 Ground -------------
* Communication options use terminals 11 and 12 as shown below:

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Electrical Load Manager Part Number Terminal 11 Terminal 12
No Communication 3050349-01 No connection No connection
J1939 CAN Bus 3050349-02 CAN High CAN Low
RS485 3050349-04 Data + Data -
5.1 Wiring Accessories
The following components and tools are available to aid wiring the Innovative Control Inc. Electrical Load
Manager.
Description Part Number
Mating Connector TE Connectivit 770587-1
Socket (Loose Form) TE Connectivit 171639-1
Socket (Strip Form) TE Connectivit 171637-1
Crimping Tool TE Connectivit 90760-1
Contact Extraction Tool TE Connectivit 189727-1
Connector Socket Kit Innovative Controls Inc. 3050353
Mating Pigtail Innovative Controls Inc. 3050352

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6. Default Settings
The Innovative Controls Electrical Load Manager is shipped with the following default settings:
The s stem voltage is set for 12 VDC. The unit will NOT be damaged if it is connected to a 24 VDC
s stem before the s stem voltage is changed to 24 VDC.
Output loads 1 through 8 are set to priorit 1 through 8 respectivel and are tied to the Master Warning
Switch. These loads will sequence on 1 through 8 and sequence off 8 through 1. The will shed 8 through
1 when the main batter voltage falls to the shed point for that priorit level.
The shed and unshed voltage setpoints are determined b the priorit setting for the load output. The
setpoint voltage values are located in Section 2.3 Shed and Unshed Voltage Thresholds.
Output loads 9 through 12 are set to priorit 0 and come on with the ignition switch. These loads will
sequence on and off but will not shed due to low voltage.
Output loads 1 through 12 are configured to both scene and response modes, hence the are
independent of the Parking Brake input.
Output loads 1 through 12 are set to high side polarit , the output goes to the main batter voltage when
the output is active.
Alarm output #13 is the Variable Trip output. The default setting for the Variable Trip setpoint is 14.5
VDC. The Variable Trip output polarit is set to high side polarit .
Alarm output #14 is the Auxiliar Batter Alarm. This alarm is active when the auxiliar batter voltage
drops below 11.9 VDC. The Auxiliar Batter Alarm output is set to high side polarit .
Output load #15 is the Fast Idle output. This load output becomes active when the s stem voltage drops
to 12.8 VDC. The Fast Idle output is set to high side polarit .
Alarm output #16 is the Main Batter Low Voltage Alarm output. This alarm is active when the s stem
voltage drops below 11.9 VDC. The Main Batter Low Voltage Alarm is set to low side polarit .
The s stem input polarities are set to the following defaults:
The Load Manager Enable input is set to low side polarit . It is active when the input is connected to
ground.
The Master Warning Switch input is set to high side polarit . It is active when the input is connected to
main batter .
The Parking Brake input is set to high side polarit . It is active when the input is connected to main
batter .
The factor default settings can be restored into the s stem b pressing and holding the ‘USER’ and
‘PROGRAM’ switches for 15 seconds, “dEF” will be shown on the front panel displa when the defaults
have been reprogrammed.

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7. Installation
The following section describes the Electrical Load Manager installation details.
7.1 Mounting Dimensions
The mounting dimensions for the Electrical Load Manager are shown below.

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7.2 Load Wiring Example
Wiring the Electrical Load Manager to a vehicle’s electrical s stem can be simplified b using the
Innovative Controls 12 Channel Rela Board. Simpl install the cab loads switches in series between the
Electrical Load Manager and the 12 rela board switch inputs. This t pe of installation allows the dash
switches to illuminate onl when a load is enabled, so the operator has a quick method to check the
status of the vehicle’s electrical s stem.

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8. Accessories
The following Electrical Load Manager accessories are available from Innovative Controls Inc.
Description Part Number
Connector Socket Kit Innovative Controls Inc. 3050353
Mating Pigtail Innovative Controls Inc. 3050352
Remote Cab Displa Innovative Controls Inc. 3050351
4 Channel Rela Board Innovative Controls Inc. 3050354
6 Channel Rela Board Innovative Controls Inc. 3050355
9 Channel Rela Board Innovative Controls Inc. 3050356
8 Channel Rela Board with CAN Bus Innovative Controls Inc. 3050357
12 Channel Rela Board Innovative Controls Inc. 3050358
12 Channel Rela Board with CAN Bus Innovative Controls Inc. 3050359