
Instructions
Sure Eject™
120V AC Shore Power Disconnect
7850 & 7850001 (15A) / 7851 & 7851001 (20A)
Automatic AC disconnect ejects power cord upon
ignition to prevent damage
Blue Sea Systems Inc.
4600 Ryzex Way
Bellingham, WA 98226 USA
p 360.738.8230
www.bluesea.com 980026230 Rev. 007
Dimension Drawing
Wiring Diagram
Features
• Motor driven design ensures years of reliable operation
• The ejection piston is self-recessing, with no cocking required
• Keyed plug design allows for easy insertion
• Anti-arcing design on insertion and ejection
• LED indicates the presence of AC power and ejection alerts
• Automatically attempts additional ejections if needed
• Compatible with existing 15A and 20A connectors in the station
• Standard mounting holes for easy retrofit
• Connectors included: 7840 (15A) or 7841 (20A)
• Label kit included in Accessory pack
• Weather-resistant boot included
• Yellow cover 7820 included with 7850 & 7851
• Covers available: 7820 Yellow, 7821 Red, 7822 Black, 7823 White, 7824 Blue, 7825 Gray
Specifi cations
Operating Voltage Range 4.5V–18V DC
Nominal Voltage 120V AC
DC Current Static: < 5mA
AC On: < 50mA
Ejection: 7A max. / 5sec.
Installation Screws #8-32 (Max. Torque: 11 in-lb)
Termination Screws #8-32 (Max. Torque: 16 in-lb)
Temperature Range -40°C to 55°C
Accessory packs include:
(1) Water-resistant dielectric grease packet (2 gram)
Periodically apply a small amount of dielectric grease to protect and lubricate
120V AC Connector (female) or Ejection Unit (male) electrical contacts.
(1) Label kit (5 labels)
(4) Mounting screw packs (4 packs, 4 screws each)
(1) Termination screw (#8-32 x 5/16")
(1) Three position plug (3.5mm)
(3) Nylon insulated ring terminals (12-10 AWG)
®
3.5" (89mm)
2.025
" (51mm)
3.6" (91mm)
Ejection unit
Front view
Side view
Termination insulating
Cover removed
AC Neutral (grounded conductor)
AC Line (ungrounded conductor)
AC Safety Ground
NOTE: Must be securely connected to
vehicle chassis / Grounded DC Negative
120V AC Shore Power
Connection Must Be
GFCI Protected per
NEC 210.8(B)(8)
Battery DC
positive ( + )
Engine Start
(solenoid circuit)
Battery DC
negative ( – )
Vehicle Connections - Use Stranded Wire
#8-32 Termination Screws
Max Torque 16 In-lbs
White 12-10 AWG
Green 12-10 AWG
Black 12-10 AWG
16 AWG
16 AWG
16 AWG
THREE
POSITION
PLUG
RING
TERMINALS
10A
Fuse
10A
Fuse
LED Indication
• Green – AC connector inserted and AC power properly passing through
the Sure Eject and supplying power to the vehicle
• Solid Red – AC connector inserted, no power passing through SureEject
• Red Flash – Connector jam. SureEject is continuing ejection attempts
• LED Off – Connector not fully inserted or DC power not connected to SureEject