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The Schurter Inc. 4411.0073 is a thermal circuit breaker designed for equipment protection. This 1-pole breaker features a threaded neck type and quick connect terminals, with versions above 20A utilizing screw clamp terminals.
Key electrical specifications include a rated voltage of 240/277 VAC and 28 VDC, with a rated current range from 0.05A to 30A. It boasts a high breaking capacity with conditional short circuit capacity of 1 kA at 240V AC and a short circuit capacity Icn of 400A at 28V AC/DC.
Environmental and mechanical features include a degree of protection of IP40 on the front side, an operating temperature range of -5°C to 60°C, and a weight of approximately 10g. The breaker is designed for panel mounting and features a push-to-reset actuator type.
Applications for this circuit breaker include power supplies, uninterruptible power supplies, power tools, and household appliances.
The breaker is rated for 240/277 VAC and 28 VDC.
The current rating is 25A, with an adjustable range of 0.05 to 30 A.
The allowable operating temperature range is -5°C to 60°C.
The conditional short circuit capacity is 1 kA at 240 VAC, and the short circuit capacity Icn is 8 x In for In < 7 A at 240 VAC, or 400 A for In ≥ 7 A at 240 VAC and at 28 VDC.
The typical endurance is 3000 switching cycles at 2 x Ir, and the minimum endurance is 50 switching cycles.
The breaker is panel mount with quick connect terminals.
The front side has IP40 protection according to IEC 60529.