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The Schurter Inc. 4400.0002 is a thermal circuit breaker designed for equipment protection. It features a snap-in, panel mount design with quick connect terminals (6.3 x 0.8 mm).
This 1-pole breaker has a rated voltage of 240 VAC and 48 VDC, with a rated current range of 0.05 to 16 A. It offers a conditional short circuit capacity of 2 kA at 240 VAC and a short circuit capacity (Icn) of 8 x In or 96 A depending on the rated current.
Key electrical specifications include dielectric strength greater than 1.5 kV at 50 Hz and greater than 2.5 kV for impulse, with insulation resistance exceeding 100 MΩ at 500 VDC. The breaker is rated for an operating temperature range of -5 °C to 60 °C.
Applications for this circuit breaker include power tools, household equipment, power supplies and chargers, and industrial appliances. It is designed according to standards such as IEC 60934 and UL 1077.
The rated voltage is 240 VAC and 48 VDC.
The allowable operating temperature range is -5°C to 60°C.
The breaker is panel mounted with push-to-reset actuation and quick connect terminals.
It is approved under CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
Conditional short circuit capacity is 2 kA at 240 VAC. For In < 6.5 A/240 VAC, Icn is 8 x In; for In ≥ 6.5 A/240 VAC, Icn is 96 A.
Dielectric strength is >1.5 kV at 50 Hz and >2.5 kV for impulse 1.2/50 μs.
Typical endurance is 500 switching cycles at 2 x Ir. Minimum endurance is 50 switching cycles for reset type AC with 2 x Ir, cos φ 0.6.