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This Schurter Inc. 4411.0223 is a thermal circuit breaker with a threaded neck type design and a push-to-reset actuator. It is a single-pole device rated for AC 240/277 VAC and DC 28 VDC, with a current rating range of 0.05 to 30 A. The breaker offers a conditional short circuit capacity of 1 kA at AC 240V and a short circuit capacity Icn of 400 A at AC/DC 28V.
Designed for reliability, it has a typical endurance of 3000 switching cycles and meets IEC standards for overload trips. The operating temperature range is -5 °C to 60 °C. Its compact design and multiple mounting possibilities make it suitable for various applications.
The circuit breaker features a degree of protection of IP40 on the front side, a dielectric strength of 1.5 kV (50 Hz) and > 2.5 kV (Impulse 1.2/50 μs), and an insulation resistance greater than 100 MΩ at 500 VDC. It is built with quick connect terminals, with versions rated above 20A utilizing screw clamp terminals.
Key applications include power supplies, uninterruptible power supplies, power tools, and household appliances. Approvals include VDE, UL, CSA, and CCC.
The rated voltage is 240/277 VAC and 28 VDC.
The rated current range is 0.05 to 30 A AC.
The allowable operating temperature range is -5 °C to 60 °C.
The degree of protection is IP40 on the front side.
The tripping type is thermal.
The mounting type is panel mount.
The termination style is quick connect.