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The Schurter Inc. 4435.0218 is a 2-pole thermal circuit breaker designed for equipment protection. It utilizes rocker actuation and offers a rated current range of 0.05 to 20 A, with magnetic tripping up to 16 A. The breaker is suitable for AC applications up to 240 VAC (IEC) or 277 VAC (UL/CSA) and DC applications up to 60 VDC.
Key technical specifications include a conditional short circuit capacity of 2 kA at 240 VAC, a degree of protection of IP40 on the front side, and dielectric strength exceeding 2.5 kV. The insulation resistance is greater than 100 MΩ at 500 VDC. Mechanical lifetime is rated at 50,000 switching cycles, with AC and DC electrical lifetimes also at 50,000 cycles under specified conditions.
This thermal-magnetic circuit breaker operates within an allowable temperature range of -30 °C to 60 °C and has a storage temperature range of -40 °C to 60 °C. It meets vibration resistance standards of ±0.75 mm @ 10-60 Hz and 10 G @ 60-500 Hz, and shock resistance of 30 G / 18 ms. The device is designed for panel mounting.
Applications for this circuit breaker include power tools, medical and laboratory equipment, industrial appliances, equipment for construction, cleaning equipment, and commercial/household kitchen appliances. Its configurability in terms of rocker colors and lettering, along with an optional IP65 cover, makes it suitable for various industrial power and lighting array needs.
IEC: 240 VAC; UL/CSA: 277 VAC; DC: 60 VDC.
Panel mount with rocker actuation.
-30°C to 60°C.
Thermal tripping (possible thermal-magnetic configuration).
2 poles.
50,000 switching cycles.