Battery Isolation Switch
BF501 /BF501C (with Cocver)
Single pole single throw battery isolation switch.
DetailsBattery Isolation Switch
BF502 /BF502C (with Cocver)
Single pole single throw battery isolation switch.
DetailsDigital Voltage Sensitive Relay (VSR) with Start Isolation
BF453
The BF453 Digital Voltage Sensitive Relay (DVSR) is designed to enhance battery management...
DetailsDigital Voltage Sensitive Relay (DVSR)
BF454 / BF454R
The BF454 Digital Voltage Sensitive Relay (DVSR) 2.0 by YIS Marine is an advanced, second-generation...
DetailsDVSR with Cable Kit for 2nd Battery
BF454-KIT
For DIY installers, YIS Marine offers the BF454-KIT, an all-in-one package that provides everything...
Details