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40A 12V/24V/48V Automatic over-current DC circuit breaker / switch for panel or recess mount

£22.50

Resettable 40A circuit breaker / switch for DC systems to protect against over-current. Ideal for panel or recess mount.

1000 in stock

SKU: CBR40 Categories: ,
Description

 

This 40A circuit breaker combines functions of a resettable 40A fuse and on/off switch in one unit. It is ideal for any DC system that requires both overcurrent protection and manual isolation of the circuit. The breaker is suitable for a wide range of DC system voltages from 12V to 48V.

Like any fuse, this circuit breaker is designed to protect the system from overcurrent as a result of high power draw, short-circuits, wiring mistakes, equipment faults or any other high current event. The circuit breaker is resettable which makes it a superior alternative to fuses which require replacement when blown.

Additionally, the breaker has a manual-break option which allows it to be used as an isolator on/off switch for simple disconnection and reconnection of the system.

The circuit breaker is made from strong thermal plastic engineered to withstand high temperatures (UL94V-0 rated). The breaker is also water resistant (IP67 rated) and ignition protected (meets international standards S.A.E. J1625, J1171, UL1500).

This product is suitable for a wide range of DC applications including:

  • Connecting solar or wind charge controllers to batteries;
  • Sitting between off-grid inverter DC input and batteries;
  • DC power distribution or charging circuits;
  • Other DC automotive and marine applications.

Please note this product is suitable for panel or recess mount.

Click on the Details and Specifications tab for more information.

 

Circuit breaker specifications:

  • Rating: 40A
  • Type: Thermal overcurrent protection device
  • Material: Thermal plastic (UL rated 94V-0)
  • Operating temperature: -32C to 82C
  • Storage temperature: -34C to 149C
  • Terminals size: M6
  • Enclosure: IP67
  • Size: 74 x 48 x 37 mm
  • Weight: 110g
  • Waterproof rating: IP67
  • International standard ratings (S.A.E. J1625, J1171, UL1500)

 

Please note that this circuit breaker is intended for panel or recess mounting.

 

The following documents are available to download:

Time vs Rated Current graph for Photonic Universe 40A Circuit breaker (CBR40)

Temperature derating graph for Photonic Universe 40A Circuit breaker (CBR40)

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