Lowell SEQR-8RJ User manual

Lowell strives to provide accurate information while reserving the right to change specications and/or improve manufacturing methods without prior notication.
©2021 Lowell Manufacturing Co., 100 Integram Dr., Pacic MO 63069 / tel. [phone] / www.lowellmfg.com
Spec 1748
Model SEQR-8RJ Rev. 06-09-21 | pg. 1/3
INTERNAL USE ONLY: PN 24375
The low voltage rackmount sequencer is used in conjunction with
remote power controls (RPCs) to provide time-delayed activation
and deactivation of connected equipment, often located in another
rack, room or building. The sequencer can also control accessory
systems such as projector screens, lighting or blinds. To initiate
sequencing, use the rocker switch on the front panel or connect
an external switch to the rear terminal block for remote activation.
Note: This sequencer is not for use with devices that feature pass-through
connections.
FEATURES:
• Power Required: 100-240 VAC 500 mA max
• Rackmount Chassis: 19" x 9" x 1U steel chassis with black
powder epoxy finish. 12 lbs.
• Activation Switch:
– Sequencing is initiated by the front rocker switch with
momentary contacts (normally open SPST).
– Includes rear barrier strip termination blocks with parallel
RJ45 jacks for optional remote switches (momentary, normally
open).
• Eight Step Sequencer:
– Eight time-delayed closure circuits activate in sequential
order (1, 2, 3, 4, 5, 6, 7, 8) and deactivate in reverse order.
– Delay between steps can be adjusted via a trimpot on the
front panel (0.5-10 seconds).
– LEDs provide visual status of the sequence.
– Includes auxiliary 24VDC output (300mA max.) for use with
remote indicators.
• Alarm System Interface:
– Integral override facilitates use in life safety applications
where fire code mandates an alarm interface.
– Lock on, lock off and switch lock functions for alarm system or
master control panel applications.
• Outputs:
– SPST relay contact closure (3A), removable phoenix style
terminals and parallel RJ45 jacks. Each output can be
connected to up to 50 remote power controls (RPCs).
– Rear barrier strip termination blocks with parallel RJ45 jacks
for optional remote switches (momentary, normally open).
• Power Supply: UL Listed power supply (100-240VAC input,
24VDC 500mA output) with 6 ft. cord and NEMA 1-15P plug.
Includes three adaptors for international use (Schuko CEE
7/16, BS1362, AS3112).
• Installation: The sequencer is installed in a rack, while remote
power controls are placed near equipment to be controlled—
in another rack, room or building.
– Maximum wire distances: 24 gauge wire = 20,000 ft.; 22
gauge wire = 31,200 ft.; 18 gauge wire = 76,800 ft.
– System Capacity: Accepts up to 50 RPCs per step.
• Country of Origin: Made in U.S.A. with global components
• Connections: Order compatible remote power controls and
switches separately (see last page).
A&E SPECIFICATIONS:
The power sequencer shall be Lowell model SEQR-8-RJ, which
shall include a rocker activation switch, LEDs and an accessible
trimpot for delay adjustment of sequence operation. Rear panel
shall include Phoenix-style removable terminals and parallel
RJ45 jacks for each SPST relay contact closure output. It shall
include a separate alarm interface connection. The power
sequencer shall be used with Lowell RPC Series remote power
controls (ordered separately). The sequencer shall be made in
the U.S.A. with global components.
Rackmount Sequencer (8 step): SEQR-8RJ
Made in USA
Red LED: FLASHING = down cycle in progress; STEADY ON = down cycle completed (system off)
Green LED: FLASHING = up cycle in progress; STEADY ON = up cycle completed (system on)
Rocker Switch: starts sequence
up or down. Activation in mid-cycle
reverses direction.
Delay Adjust:
recessed trim pot
Eight LEDs: light to indicate progress of sequence (up or down).

Lowell strives to provide accurate information while reserving the right to change specications and/or improve manufacturing methods without prior notication.
©2021 Lowell Manufacturing Co., 100 Integram Dr., Pacic MO 63069 / tel. [phone] / www.lowellmfg.com
Spec 1748
Model SEQR-8RJ Rev. 06-09-21 | pg. 2/3
INTERNAL USE ONLY: PN 24375
Includes power supply (attached)
ALARM SYSTEM INTERFACE:
If required by local building code, facility
usage, or the Fire Marshal; the system
functions can be overridden and the
system controlled by contact closures
provided by the re alarm panel or other
similarly installed device. A maintained
contact between the ‘com’ terminal and
any of the terminals shown will provide
the following functions.
CAUTION: Do not allow alarm system
to make more than one of the following
contacts at the same time—controller
board damage may result.
• Lock Off: A maintained contact
between the ‘com’ terminal and the
‘lock off’ terminal will turn the system
off and keep it off regardless of other
switch activations. If the system is
already off, it will be kept off.
• Lock On: A maintained contact
between the ‘com’ terminal and the
‘lock on’ terminal will turn the system
on and keep it on regardless of other
switch activations. If the system is
already on, it will be kept on.
• Switch Lock: A maintained contact
between the ‘com’ terminal and the
‘switch lock’ terminal will lock the
system in its current state, either on
or off, regardless of any other switch
activations.
RPC CONNECTIONS (8 steps):
Connect equipment to Lowell RPC Series
remote power controls that feature classic
connections (not pass-through), and connect
the RPCs to one of the steps on the sequencer
using wire (phoenix style terminals) or CAT5/6
cable (RJ45 terminals). This sequencer allows
up to 50 RPCs to be connected in parallel on
each of the eight circuits.
REMOTE SWITCH CONNECTIONS:
Lowell RPS Series switches with
MOMENTARY closure can be connected
to control the sequencer from remote
locations. Up to 8 momentary switches
may be connected in parallel.
Maximum wire distances: 24-gauge
= 20,000 ft.; 22-gauge = 31,200 ft.;
18-gauge = 76,800 ft.
Pins 1, 2 V+
Pins 3, 4 Switch
Pins 5, 6 ON Ind.
Pins 7, 8 OFF Ind.
Pins 1, 2
Pins 3, 4
OFF Ind. ON Ind. Switch V+
Lock Switches Lock ON Lock OFF Com
Pins 1, 2 V+
Pins 3, 4 Switch
Pins 5, 6 ON Ind.
Pins 7, 8 OFF Ind.
Pins 1, 2
Pins 3, 4
OFF Ind. ON Ind. Switch V+ Lock Switches Lock ON Lock OFF Com
Pins 1, 2 V+
Pins 3, 4 Switch
Pins 5, 6 ON Ind.
Pins 7, 8 OFF Ind.
Pins 1, 2
Pins 3, 4
OFF Ind. ON Ind. Switch V+
Lock Switches Lock ON Lock OFF Com
Off On
Off On
Use CAT5/6 cable for
RPS Series MOMENTARY
switch that has two LEDs
and an RJ45 jack.
RPC Series remote
power controls use
two (2) connectors
RPC Series remote power
controls with an RJ45
jack use CAT5/6 cable*
*Not for use with RPCs that
feature pass-through RJ45
jacks
Use four (4) connectors for
RPS Series MOMENTARY
switch that has two LEDs.
Use three (3) connectors for
RPS Series MOMENTARY
switch that has one LED.
Norm
Test
Norm
Test
NOTE: Use only “straight-through”
type RJ45 cables (pin 1 to pin 1,
pin 2 to pin 2, pin 3 to pin 3, etc.)

Lowell strives to provide accurate information while reserving the right to change specications and/or improve manufacturing methods without prior notication.
©2021 Lowell Manufacturing Co., 100 Integram Dr., Pacic MO 63069 / tel. [phone] / www.lowellmfg.com
Spec 1748
Model SEQR-8RJ Rev. 06-09-21 | pg. 3/3
INTERNAL USE ONLY: PN 24375
This
spec
SEQ & SEQR Series Overview — sequencers with classic connections
Alternate REQUIRES ACCEPTS ACCEPTS ACCEPTS
Sequence Onboard A Remote Multiple Remote Input from Input from Lowell Power Country
Model No. Chassis Steps Mode Switch Switch Switches Alarm System Switch w/RJ45 Input of Origin
SEQ-4 standalone 4 --- --- yes through MSM2 --- --- power supply USA
SEQ-8 standalone 8 --- --- yes yes --- --- power supply USA
SEQR-4 1U panel 4 --- rocker --- yes yes --- power supply USA
SEQR-4K 1U panel 4 --- key --- yes yes --- power supply USA
SEQR-8 1U panel 8 yes rocker --- yes yes --- power supply USA
SEQR-8K 1U panel 8 yes key --- yes yes --- power supply USA
SEQR-8RJ 1U panel 8 yes rocker --- yes yes yes power supply USA
Steps = Unit activates/deactivates connected remote power controls (RPCs) in four or eight steps, with a delay between each. Multiple RPCs can connect to each step.
Alternate Sequence Mode = The ASM feature skips selected outputs to allow partial startup of system, useful for small events or rehearsals. It requires remote switch
model RPSB-KP-ASM to enable ASM function before main switch is activated.
Onboard Switch = Sequencers without an onboard switch will require an external switch for activation.
REQUIRES A Remote Switch = Sequencer can be controlled by one external switch, usually placed in a remote location (RPS series switch with MAINTAINED closure).
ACCEPTS Multiple Remote Switches = Sequencer can be controlled by one or more external switches placed in remote locations (RPS Series switches with
MOMENTARY closure). Some models require the MSM2 module in order to accept multiple switches.
ACCEPTS Input from Alarm System = Sequencer can accept control override from an alarm system (alarm by others, not included).
ACCEPTS Input from Lowell Switch w/RJ45 = Sequencer is designed for use with a Lowell MOMENTARY switch that has a model number with "-RJ" as a suffix (see
options above). Note that these switches include a single RJ45 connector and are not part of Lowell's "pass-through" series.
NOTE: See Lowell ACR Series or ACSPR Series for rackmount sequencers that include AC power outlets.
COMPATIBLE COMPONENTS: (order separately)
• REMOTE SWITCHES: (RPS Series with MOMENTARY closure and 1 or 2 LEDs)
Model Description Model Description
RPSW-MP 1 LED rocker switch, white wall plate RPSW2-MP 2 LED rocker switch, white wall plate
RPSB-MP 1 LED rocker switch, black wall plate RPSB2-MP 2 LED rocker switch, black wall plate
RPSB-MR 1 LED rocker switch, 19" panel RPSB2-MR 2 LED rocker switch, 19" panel
RPSW-MKP 1 LED key switch, white wall plate RPSW2-MKP 2 LED key switch, white wall plate
RPSB-MKP 1 LED key switch, black wall plate RPSB2-MKP 2 LED key switch, black wall plate
RPSB-MKR 1 LED key switch, 19" panel RPSB2-MKR 2 LED key switch, 19" panel
RPSB2-MP-RJ 2 LED rocker switch, black wall plate, RJ45 RPSW2-MP-RJ 2 LED rocker switch, white wall plate, RJ45
RPSB2-MKP-RJ 2 LED key switch, black wall plate, RJ45 RPSW2-MKP-RJ 2 LED key switch, white wall plate, RJ45
RPSB2-MR-RJ 2 LED rocker switch, 19" panel, RJ45 RPSB2-MKR-RJ 2 LED key switch, 19" panel, RJ45
• REMOTE POWER CONTROLS: (RPC Series with classic connections)
Model Description Model Description
RPC-15 RPC with (2) 15A NEMA outlets, cord RPC-15-S RPC with (2) 15A NEMA outlets, surge supp, cord
RPC-15-SCD-RJ RPC with (2) 15A NEMA outlets, cord, RJ45 RPC-15-U RPC with (2) IEC C13 oulets, cord
RPC-20-CD RPC with (2) 20A NEMA outlets, cord RPC-20-SCD RPC with (2) 20A NEMA outlets, surge supp, cord
RPC-20-SCD-RJ RPC with (2) 20A NEMA outlets, surge supp, cord, RJ45 RPC-3N1 RPC with (8) 15A NEMA outlets, cord
RPC-20-HW RPC with (2) 20A NEMA outlets, whip RPC-20-SHW RPC with (2) 20A NEMA outlets, surge supp, whip
RPC-30-SHW RPC with 30A Twistlock outlets, surge supp, whip
• MISCELLANEOUS:
Model Description
ACS-1510-RPC 30" power strip with ten 15A outlets, RPC function, cord
ACS-2010-RPC-HW 30" power strip with ten 20A outlets, RPC function, hardwired
ACS-2018-5C-RPC-HW 60" power strip with eighteen 20A outlets on ve circuits, RPC function, hardwired
ACSP-1502-RPC Compact surge suppressor with two 15A outlets, RPC function
ACSP-2002-RPC Compact surge suppressor with two 20A outlets, RPC function
CBL453 Cat5e cable (3 ft.), ve-pack
RJ45-Y Y-adaptor for cable