Compact resettable 50 A DC circuit breaker/manual reset switch that combines thermal over‑current protection with a manual On/Off isolator for 12 V, 24 V and 48 V systems.

• Combines a resettable 50 A fuse function with a manual On/Off isolator; suitable for 12 V, 24 V and 48 V DC systems.
• Rating: 50 A. Type: thermal overcurrent protection device.
• Material: thermoplastic (UL 94 V-0). Ignition protected to SAE J1625, SAE J1171 and UL1500 standards.
• 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. Size: 74 x 48 x 37 mm (2.91 x 1.89 x 1.46 in). Weight: 110 g (3.9 oz).
• Ingress protection: IP67 — suitable for damp and splash-prone environments.
• Common applications: connecting solar or wind charge controllers to batteries; between off‑grid inverter DC input and batteries; DC power distribution and charging circuits; other DC automotive and marine uses.
• Surface-mount design; resettable after trip. Time vs Rated Current graph for Photonic Universe 50 A circuit breaker (CB50) is available to download from the manufacturer's product resources.

Please note: intended for surface mounting. Check system voltage and wiring; professional installation is recommended for critical marine or automotive systems.