Description
VETUS main switch/emergency stop 12V 250A – BPMAIN12
The VETUS BPMAIN12 is a remotely and manually operated battery main switch with emergency stop function for heavy-duty 12V electrical installations on board. The switch makes it possible to centrally interrupt the power supply to high-power consumers and also features a large red button for direct manual operation.
The BPMAIN12 is suitable for a continuous load of up to 250A and can handle a current of 800A for up to 3 minutes. This makes the main switch suitable for installations with high currents, such as bow thrusters, stern thrusters, windlasses and other high-power electrical consumers.
The main switch can be operated electrically from the helm station. In addition, direct manual operation remains possible via the large red emergency button on the unit itself. This allows the power supply to also be interrupted locally when required during maintenance or in an emergency.
The BPMAIN12 is installed in the positive cable of the relevant circuit and should preferably be mounted as close to the battery as possible. The red manual emergency control must remain easily accessible. A correctly rated main fuse must also be installed to protect the wiring.
For remote operation, the BPMAIN12 can be combined with the VETUS BPMRC remote control. When additional cable length is required between the main switch and the control position, the optional BPMEC intermediate cable can be used.
Key features and benefits
- 12V version: Designed for heavy-duty 12V DC installations.
- 250A continuous: Suitable for electrical systems with a high continuous load.
- 800A for up to 3 minutes: Can handle high temporary currents.
- Remote operation: Enables electrical operation from the helm station, for example.
- Manual emergency operation: Large red button for direct operation on the main switch itself.
- For high-power consumers: Suitable for bow thrusters, stern thrusters and windlasses, among other applications.
- Installation in positive cable: Interrupts the main power supply to the connected installation.
- Expandable: Can be combined with the BPMRC remote control and BPMEC intermediate cable.
Specifications
- Part number: BPMAIN12
- Product type: Remote-controlled battery main switch / emergency stop
- Voltage: 12V DC
- Continuous load: 250A
- Load for up to 3 minutes: 800A
- Operation: Electrical remote and manual operation
- Manual operation: Red emergency button
- Installation: In the positive cable
- Suitable for: Bow thrusters, stern thrusters and windlasses, among other applications
- Matching remote control: BPMRC
- Optional intermediate cable: BPMEC
Series-parallel switching
For a 24V bow thruster powered from a 12V onboard electrical system via a series-parallel switching system, the BPMAIN12 is installed on the 12V side. For such installations, always check the electrical wiring diagram before installing the main switch.





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