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The Schurter Inc. 4430.3899 is a thermal circuit breaker from the TA45 series, designed for reliable overload protection in various applications. This 2-pole breaker features a rocker actuation type and is suitable for panel mounting.
Key electrical specifications include a rated voltage of 240 VAC and 60 VDC, with a current rating of 20A. The breaker offers a conditional short circuit capacity of 1 kA at 240 VAC and various Icn ratings depending on the current and voltage conditions. It is built for durability with a mechanical lifetime of 50,000 switching cycles and overload trip capabilities.
Environmental considerations include a degree of protection of IP40 on the front side, expandable to IP54 with a protection cover. The operating temperature range is -10 °C to 55 °C. The Schurter Inc. 4430.3899 is RoHS3 compliant and has a Moisture Sensitivity Level of 1.
Applications for this circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning. Its robust design and thermal tripping mechanism ensure safety and operational integrity.
The Schurter 4430.3899 is rated for 240 VAC and 60 VDC.
20 A.
-10°C to 55°C.
Bulk.
IP40 front side, IP54 with factory cover.
50,000 switching cycles.
Thermal.