Sierra Voltage Sensitive Relay (VSR), BS11040

The Sierra BS11040 Voltage Sensitive Relay (VSR) automatically combines two batteries when charging and isolates them when not charging. It is rated for 12VDC with a 125A continuous current rating.

Features

• Automatically combines two batteries when charging and isolates the two batteries when not charging
• No voltage drop compared to battery isolator diodes (0.6V)
• Robust glass fiber reinforced nylon enclosure
• Built-in LED indication when VSR is engaged
• Port for remote LED indicating VSR status
• Surface or panel mount options for flexible installation
• Storage mode allows zero power consumption when the engine is off
• CE and IP67 certifications

Specifications

• Nominal voltage: 12VDC
• Combined voltage: 13.3VDC
• Open voltage: 12.8VDC
• Continuous current rating: 125A
• Intermittent current rating: 140A
• Power consumption: 10mA (standby), 330mA (engage), 0mA (storage mode)
• Manufacturer part number: BS11040