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
BF453 is a higher end Voltage Sensing Relay (VSR) or Automatic Charging Relay (ACR) with more...
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