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The Schurter 4435.03 is a single-pole thermal circuit breaker designed for general industrial use. It offers positively trip-free release and rocker actuation, with a panel mount configuration.
Key electrical specifications include a rated voltage of 240 VAC (IEC) and 277 VAC (UL/CSA), and 32 VDC. The current rating range is from 0.05 to 20 A, with a conditional short circuit capacity of 2 kA at 240 VAC. The breaker is built for durability, featuring a mechanical lifetime of 50,000 switching cycles and electrical lifetimes of 30,000 cycles at AC and 50,000 cycles at DC under specified conditions.
Environmental and mechanical resilience are supported by an operating temperature range of -30 °C to 60 °C and resistance to vibration and shock according to IEC standards. The degree of protection on the front side is IP40.
This circuit breaker is suitable for a wide range of applications, including power tools, medical and laboratory equipment, industrial appliances, and commercial kitchen appliances.
The rated voltage is 240 VAC (UL/CSA) and 277 VAC, plus 32 VDC.
The rated current for this model is 16 A.
The operating temperature range is -30°C to 60°C.
The breaker is panel mounted.
The mechanical lifetime is 50,000 switching cycles.
Dielectric strength is greater than 2.5 kV at 50 Hz and greater than 4 kV impulse.
The front side has IP40 protection according to IEC 60529.