40A 12–48V DC Circuit Breaker / Switch | 4Boats
CB40
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Regular price£24.99
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This resettable 40 A DC circuit breaker combines overcurrent protection and a manual On/Off isolator for 12–48 V DC systems, ideal for solar, battery and marine applications; ignition protected for safe marine use.
- Model: CB40.
- Rating: 40 A; voltage range: 12–48 V DC (suitable for 12 V, 24 V and 48 V systems).
- Type: Thermal overcurrent protection device. Material: thermal plastic (UL 94 V-0).
- Operating temperature: -32°C to 82°C (-26°F to 180°F).
- Storage temperature: -34°C to 149°C (-29°F to 300°F).
- Terminals: M6; designed for surface mounting. Ensure correct torque on M6 terminals and follow marine/automotive wiring best practice for compatibility and safety.
- Enclosure: IP67 (water resistant).
- Size: 74 x 48 x 37 mm (2.91 x 1.89 x 1.46 in). Weight: 110 g (3.9 oz).
- International standard ratings (ignition protected): SAE J1625, SAE J1171, UL1500.
- Typical applications: connecting solar or wind charge controllers to batteries; between off-grid inverter DC input and batteries; DC power distribution or charging circuits; other DC automotive and marine applications.
- Resettable design replaces single-use fuses for repeated protection; follow recommended installation torque on terminals and established wiring practices for safe, long-term operation.
- Download: Time vs Rated Current graph for Photonic Universe 40 A Circuit breaker (CB40) available to download.
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