The Ionnic BMS-05L Battery Master Switch or Isolation Switch incorporates a integrated locking facility, with an environmental protection rating of IP66 and using Silver Plated contacts.

- Voltage: 6-36V
- Contacts: Copper
- Contact Rating: 250A
- Handle: Zinc plated
- Body: Bakelite Metal
- Supplied: Black, Red & Yellow boots.
- IP Rating: IP66, IP53