Genuine BOSCH Battery Relay
Part number 0333301009

A battery relay in a car serves as an electrical control device that regulates the flow of power from the battery to other electrical components in the vehicle. It acts as a switch that opens and closes the circuit between the battery and the components, allowing the flow of current when necessary. The relay is typically activated by a signal from the vehicle's ignition system or other control systems.

One of the primary functions of a battery relay is to protect the electrical system from overload. It ensures that the right amount of power is delivered to each component, preventing excessive or insufficient current flow. Additionally, the relay can also help conserve battery power by controlling the flow of electricity to components that are only needed when the car is running, such as the ignition system or headlights. This helps extend the lifespan of the battery and optimize its performance.

Combi Switch Function

without wipe-wash function

Rated current [A]

200

Rated Voltage [V]

24

Number of Poles

1

Relay function

Battery main switch

Housing Type

Metal Housing

Temperature range from [°C]

-30

Temperature range to [°C]

100

Length [mm]

124

Width [mm]

110

Height [mm]

160