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The Schurter Inc. 4400.0063 is a thermal circuit breaker designed for equipment protection. It operates with a rated voltage of 240 VAC and 48 VDC, and a current rating range of 0.05 to 16 A. This 1-pole breaker features a reset type actuation and quick connect terminals measuring 6.3 x 0.8 mm.
With a degree of protection of IP40 on the front side, it is suitable for various applications including power tools, household equipment, power supplies and chargers, and industrial appliances. The breaker offers a conditional short circuit capacity of 2 kA at 240 VAC and meets standards such as IEC 60934 and UL 1077.
Key specifications include a dielectric strength of >1.5 kV (50 Hz) and >2.5 kV (Impulse 1.2/50 μs), and an insulation resistance of >100 MΩ at 500 VDC. The operating temperature range is -5 °C to 60 °C. The compact design and positively trip-free release are notable features.
Approvals include VDE, UL, and CCC. The product is designed according to IEC 60934 and UL 1077 standards, making it suitable for applications compliant with IEC/UL 62368-1.
240VAC and 48VDC.
Panel mount with quick connect terminals.
-5°C to 60°C.
Thermal tripping.
Conditional short circuit capacity is 2kA at 240VAC (PC1). Short circuit capacity Icn is 8 x In for currents below 6.5A and 96A for currents above 6.5A at 240VAC.
Greater than 1.5kV at 50Hz and greater than 2.5kV impulse.
Greater than 100MΩ at 500VDC.