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The Schurter Inc. 4430.2778 is a 2-pole thermal circuit breaker designed for reliable overload protection. It offers a rated current of 19A and can handle AC voltages up to 240V and DC voltages up to 60V.
This circuit breaker features a thermal tripping mechanism and a rocker actuation type for easy operation. It is designed for snap-in mounting, making installation convenient in various equipment. The device provides a degree of protection of IP40 on the front side, which can be increased to IP54 with a factory-mounted protection cover.
Key technical specifications include a conditional short circuit capacity of 1 kA (AC 240V) and a short circuit capacity (Icn) of up to 300A. It has a mechanical lifetime of 50,000 switching cycles and an operating temperature range of -10°C to 55°C. Applications include power tools, industrial appliances, power supplies, and equipment for construction and cleaning.
Approvals include VDE, UL, and CCC, indicating compliance with relevant safety standards. The Schurter 4430.2778 is suitable for industrial environments requiring robust circuit protection.
The circuit breaker is rated for 240 VAC and 60 VDC.
The current rating is 19 A, with an AC rated current range of 0.05 to 20 A.
The allowable operating temperature range is -10 °C to 55 °C.
It provides IP40 protection, or IP54 with a factory-mounted protection cover.
It uses a rocker actuator.
It is a two-pole circuit breaker.
It is supplied in cartons of 20 pieces.