Digital Voltage Sensitive Relay (VSR) with Start Isolation
BF453
SI Digital Voltage Sensitive Relay
BF453 is a higher end Voltage Sensing Relay (VSR) or Automatic Charging Relay (ACR) with more advanced features such as Start Isolation (SI), Auxiliary Battery Charging Extension (ABE) and Manual Override (ON & OFF) in additional to Dual Port Sensing and 12V / 24V Compatibility. This would allow BF453 to better protect the electronics loads in the house battery side and suits more dedicated needs. The upward studs (M10) and configuration terminals design also allows it to be more easily installed than traditional VSR.
Features
- Automatically combines two batteries when charging
- and isolates the two batteries when not charging
- DC 12/24V input auto ranging
- Sensing voltage from either battery bank
- Upward studs (M10) and configuration pins allows easier installation
- Robust Glass Fiber reinforced Nylon enclosure
- Built-in LED indication (ON when VSR engages)
- Port for remote LED indicating VSR status (LED not
- included)
- Optional Storage Mode allows zero power consumption
- when engine is off
- Optional Start Isolation forces to temporary isolate the connection during engine cranking to protect sensitive electronics in the house loads
- Optional Aux Battery Charging Extension (ABE) allows extra time charging 2nd battery when engine idling by dropping the open voltage to lower 12.25V
- Over and Under Voltage Lockup protects unintentional grounding of the battery positive
Specification
- Nominal Voltage | DC 12V / 24V Auto Detect
- Combine | DC 12V - 13.6V 30sec. / 13.0V 2mins / DC 24V - 27.2V 30sec. / 26.0V 2mins
- Open Voltage | DC 12V - 12.8V 30sec. / DC 24V - 25.5V 30sec.
- Open(ABE) Voltage | DC 12V - 12.2V 30sec. / DC 24V - 24.5V 30sec.
- Continuous Current Rating | 125A
- Intermittent Current Rating | 140A
- Power Consumption | 5mA (Standby) / 300mA (Engage) / 0mA (Storage Mode)
- Note | IP67 ISO8846/SAE J1171 (Ignition Protected)
- Movies
YIS Marine SI VSR BF453 Digital Voltage Sensing Relay (Smart Battery Isolator) with Start Isolation
What is a VSR Voltage Sensitive Relay and How to install VSR? VSR for Dual battery system explained
SI-VSR (Voltage Sensing Relay with Start Isolation) by YIS Marine all advanced Features explained
VSR Voltage Sensing Relay with Start Isolation Installation Guide BF453
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SI Digital Voltage Sensitive Relay | Marine Toggle Switch Panels, Fuses, Circuit Breakers Manufacturer | YIS Marine
Based in Taiwan, China since 1992, Yih Sean Enterprise Co., Ltd. has been a marine electrical and electronic products manufacturer. Their main marine and boat products, include Digital Voltage Sensitive Relay (VSR) with Start Isolation, 12/24V accessories, switch panels, fuses, circuit breakers, switches and lights, which has served more than 200 customers worldwide with international safety standards.
YIS Marine is a professional manufacturer devoted to providing high quality marine electrical and electronics products. By designing and manufacturing in-house and having quality control at Taiwan headquarter, we are able to offer high quality marine products at competitive prices. with more than 20 years manufacturing experience for Marine Products, Switch Panel, Led Light, Switch, Plug, Socket, Terminal Block and Bus Bar in Taiwan.
YIS Marine has been offering customers high-quality marine and boat electrical products, both with advanced technology and 20 years of experience, YIS Marine ensures each customer's demands are met.