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HOME  >  PRODUCTS
Path    >    Battery Management    >    Battery Sensitive Relay
Article No.: R24140A
Download BSR CE Report
 
Feature
 
  24V BSR with Cut in 27.4V, Cut off 25.6V
1. Dual battery sensing
2. Fully automatic
3. Easy 3 wire connection at the battery. No need to bypass existing alternator wiring
4. Ignition protected
 
Summary
 
 

The Battery Sensitive Relay (BSR) allows two batteries to be charged at the same time. When the engine is started and the start battery reaches 27.4 volts, the BSR engages, allowing two battery banks (start and house) to be charged simultaneously. When the voltage drops below 25.6 volts (eg the engine is stopped), the BSR disengages, separating the batteries. This system eliminates the possibility of draining the start battery and protects sensitive electronic equipment powered from the house battery from harmful engine start up spikes.

 
Dimension
 
  67.5(L)X67.5(W)X53.5(H) mm
 
Specifications
 
 

DC Power: 24V
Continuous Current Rate: 140A
Intermittent Current Rate: 170A
Back-up Current at 26V: <=15.0mA
Ignition Protection: UL1107/UL1500
Operation Temperature Range: -30~ 105 °C

Wiring Diagram :



Wiring:

Install as per the wiring diagram ensuring that the cable from the start battery positive goes to the BSR positive.
Be sure to select the correct size cable refering to the voltage drop chart..

 
 
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