Description
The Ionnic BMS-12L is a double-pole battery master switch with a lockable L handle, rated 250A continuous and 2500A intermittent across 6 to 36 volt systems. Isolating both poles at once makes it suited to two-battery systems, positive and negative isolation, or separate battery and starter circuits switched by one handle.
The padlock passes straight through the handle, so the switch can be locked off without a separate lockout bracket. The Bakelite body is sealed to IP66 and the contacts are silver-plated copper. The zinc-plated handle is supplied with Starter and Battery decals for clear identification.
The BMS-12L flange-mounts on Ø 6mm holes and connects with M10 studs. A powder-coated BMS-12BKT mounting bracket and a 60mm brass BMS-ES extension stud are available separately. For the single-pole version, see the BMS-05L.
Key Benefits
- Double-pole isolation, 250A continuous / 2500A intermittent
- Integrated padlock point through the handle
- IP66 sealed Bakelite body
- Silver-plated copper contacts
- Supplied with Starter & Battery decals
- BMS-12BKT bracket and BMS-ES extension stud available
Specifications
- Part number – BMS-12L
- Poles – Double pole
- Voltage – 6–36V DC
- Contact rating – 2500A intermittent / 250A continuous
- Contacts – Silver-plated copper
- Handle – Zinc-plated L handle, lockable
- Body – Bakelite
- Ingress protection – IP66
- Terminals – M10 studs
- Mounting – Flange, Ø 6mm holes (see dimension drawing)
- Supplied with – Starter & Battery decals
Applications
- Dual-battery and positive/negative isolation
- Mine-site vehicles requiring lockout
- Trucks, buses and mobile plant
- Marine and RV battery banks

















