Overview of Application
Marine Electrical Products
The ML-Series Remote Battery Switch provides high-current carrying and switching under load.
The Remote Battery Switch should be installed close to the battery banks to avoid voltage drop.
ML-RBS
Remote Battery Switches
PN 7712 / PN 7712B / PN 7712100B
PN 7714 / PN 7714B / PN 7714100B
• Magnetic Latch (ML) - draws very low current continuous and draws
moderate current for very short time when changing state
• Silver alloy contacts provide high reliability for switching live loads
• Manual override provides LOCK OFF capability for servicing and ON/OFF control with or without power
• LED output to remotely indicate switch state
Install a single pole double throw (SPDT) or single pole single throw (SPST) control switch in a convenient
location near other electrical controls or companionway to allow quick access in the event of an emergency
(see Illustration on reverse).*
* Although a SPST switch may be used if desired, use of a SPDT switch improves immunity to inadvertent
switching if the controls become damp.
• Tin-plated copper studs for maximum conductivity and corrosion resistance
• Label recesses for circuit identification
ML-RBS 7712 and 7714 Remote Operation Table
• PNs 7712 and 7714 include a Remote Control Switch PN 2155
Specifications
Cranking Rating
Intermittent Rating
Continuous Rating
ML-Coil Function
12V DC
24V DC
See table below
See table below
See table below
ON
See table below
See table below
See table below
Auto releasing
Remote
Switch
ON
OFF
State
OFF
Auto releasing
Operating Current: Continuous
Changing Stage (20 ms) <7A@ 25°C nominal voltage
Contact Circuit Voltage 16V DC Max.
Live Current Switching
Mechanical Endurance
Control Circuit Voltage
Terminal Stud Size
<13mA@ 25°C nominal voltage
<13mA @ 25°C nominal voltage
<4A @ 25°C nominal voltage
32V DC Max.
Remote
Disabled
Remote
Disabled
Remote Operation Enabled
Remote Operation Enabled
Manual
Control
Knob
‡
300A @ 12V DC—10,000 Cycles 150A @ 24V DC—10,000 Cycles
100,000 Cycles
9–16V DC
100,000 Cycles
18–32V DC
3/8"-16
Position
3/8"-16
Maximum Terminal Stud Torque
Ring Terminal Size
140 in-lb (15.8 N•m)
3/8" (M10)
1.18" (30 mm)
140 in-lb (15.8 N•m)
3/8" (M10)
1.18" (30 mm)
ON
(Closed)
OFF
(Open)
OFF
(Open)
ON
(Closed)
OFF
(Open)
OFF
(Open)
ML-RBS
Relay State
Terminal Ring Diameter Clearance
‡
ML-RBS Relay
State will change
to Remote
Switch State
after 10 minutes
Predicted performance
Remote Switch PN 2155
Action
Seals
Mounting Hole
LED Rating
ON
(Closed)
OFF
(Open)
-
-
-
-
SPDT, ON-ON
Internal & External Gasket Panel Seal
0.83"x 1.45" (21.08 mm x 36.83 mm)
100,000 hours half-life
Harness Connector: (select models)
Mating Part Requirements
Receptacle Shell
Wedgelock
Terminal Pins
Deutsch DTM Series DTM 06-6S
DTM-04-6P
WM-6P
1060-20-0122
CAUTION
If the ML-RBS Relay state is changed using the Manual Control Knob to a state that is
different than the Remote Switch 2155, the relay state will automatically change to match the Remote Switch
state after 10 minutes. The two scenarios where this will occur are shaded in the table above.
Sealing Plugs
0413-204-2005
Hand Crimp Tooling
DTT-20-0
Regulatory Meets ISO 8846 and SAE J1171 external ignition protection requirements, CE marked, Rated IP66
Remote LED Indicator embedded in PN 2155 SPDT ON-ON Contura Switch
indicates Remote Battery Switch state or condition as follows:
Wire Size (AWG)
Metric (mm²)
Cranking 10 sec. Cranking 1 min. Intermittent 5 min. Continuous (UL 1107)
LED Indication
LED is OFF
Remote Battery Switch State or Condition
Remote Battery Switch is OFF
2/0
4/0
2x (4/0)
70
120
2x (120)
2,000A
2,200A
2,500A
750A
750A
1,100A
400A
400A
700A
225A
300A
500A
LED is ON
Remote Battery Switch is ON
Manual override--check Remote Battery Switch for switch states.
OR Remote Battery Switch mechanical failure
LED double blinking ON-OFF
Remote Control
Switch Included
PN
Termination
Control Circuit
The remote LED embedded in PN 2155 indicates a closed connection between battery bank and load, or
between two battery banks when used as an emergency cross-connect.
7712
7712B
7712100B
7714
7714B
7714100B
Tinned Wires
Tinned Wires
Deutsch Connector
Tinned Wires
Tinned Wires
Deutsch Connector
12V DC
12V DC
12V DC
24V DC
24V DC
24V DC
SPDT, ON-ON
-
-
Remote Operation. PN 2155 (SPDT, ON-ON) Remote Control Contura Switch in the ON position can either
connect the battery bank to the load or combine two battery banks. In the OFF position it can either
disconnect a battery bank from a load or isolate two batteries from each other.
SPDT, ON-ON
-
-
To connect battery bank to load, or combine
battery banks
Set remote switch 2155 to position marked “ON”.
Remote LED indicates closed connection.
Blue Sea Systems Inc.
425 Sequoia Drive
Bellingham, WA 98226 USA
p 360.738.8230
f 360.734.4195
To disconnect battery bank from load, or
isolate battery banks that are connected
Set remote switch 2155 to position marked “OFF”.
980010060 Rev.004
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