710-140A-B
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Dual Battery Voltage Sensitive Relay (VSR) 12V/24V 140A Digital
The Digital Voltage Sensitive Relay (DVSR) manages charging of a second battery bank from a single charging source such as an alternator or battery charger. It connects the auxiliary battery when the primary battery voltage rises above 13.2V and disconnects it below 12.7V to preserve starting battery power. The digital design offers low power consumption and includes a remote sensing feature that reduces power use to zero when the engine is off, especially when used with an optional storage mode switch.
Features
- Charges two or more independent battery banks from one charge source
- Prioritises engine starting battery before combining with auxiliary battery
- Protects starting batteries from being drained by auxiliary loads
- Isolates sensitive electronics from electrical surges caused by starter motors
- Simple 3-wire installation, leaving alternator wiring untouched
- No voltage drop compared to diode isolators
- Ignition protected for safety
- Can be surface or panel mounted
- Replaces older models 710-125A and 710-125A-DS
- Automatic detection and operation on 12V or 24V DC systems
- Digital circuitry ensures very low power consumption and stable performance
- Optional remote status LED output
- Continuous current rating: 140A
- Engage voltage: 13.2 VDC; disengage voltage: 12.7 VDC
Ideal for dual battery systems in 4WDs, caravans, motorhomes, and RVs. Supports battery charging, battery combiners, and deep cycle batteries. Compatible with 12 volt and 24 volt electrical systems.
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