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The Schurter Inc. 4404.0038 is a thermal circuit breaker designed for reliable protection in various applications. This 1-pole device offers a rated voltage of 240 VAC and a rated current range of 3-16 A, with this specific model rated at 15A.
It features a panel mount design for easy integration into systems. The circuit breaker is built to withstand demanding conditions, with a dielectric strength of 1500 VAC and an insulation resistance greater than 1000 MΩ at 500 VDC. Operating temperature ranges vary slightly by current rating, generally from -5°C to 60°C.
Compliance is noted with UL, CSA, and IEC standards, including UL1077 and IEC 60934. The device has a degree of protection of IP40 on the front side. Endurance specifications indicate a minimum of 50 switching cycles at 200% Ir and typical endurance of 2500-6000 switching cycles depending on current rating and power factor.
The circuit breaker is rated for 240 VAC and 48/32 VDC.
The allowable operating temperature varies by current: for 3A and 5-16A it is -5°C to 60°C, for 4A it is -5°C to 50°C.
The conditional short circuit capacity is 2 kA under IEC 60934 (PC1, AC 240V) and UL/CSA (SC, AC 240V), and also 2 kA at DC 48/32V.
The dielectric strength is 1500 VAC.
The insulation resistance is greater than 1000 MΩ at 500 VDC.
Minimum endurance is 50 switching cycles at 200% Ir (cos φ 0.6). Typical endurance is 2500 cycles for 3-8A and 6000 cycles for 10-16A at 150% Ir (cos φ 0.9).
The front side has an IP40 degree of protection.