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The Phoenix Contact 2800873 (CB TM2 5A SFB P) is a thermomagnetic device circuit breaker designed for reliable overcurrent protection in industrial control and automation systems. It features a 2-pole configuration with a slide switch actuator and is rated for 5A continuous current at 240VAC (IEC 60934) or 80VDC.
This circuit breaker utilizes a thermomagnetic (TM) tripping method with an SFB characteristic, providing fast and selective disconnection for sensitive loads. It is designed for mounting on a base element and offers a compact footprint with dimensions of 45mm height, 24.6mm width, and 52mm depth. The device is rated for an ambient operating temperature range of -30°C to 60°C and has an IP30 degree of protection on the actuation area.
Key electrical specifications include a rated surge voltage of 2.5kV, insulation resistance greater than 100 MOhm, and a short-circuit switching capacity of 400A at 240VAC. The breaker is constructed with gray insulating material meeting UL 94 V0 flammability class, suitable for use in pollution degree 2 environments.
The circuit breaker is rated for 277V AC and 80V DC. It also has a rated voltage of 240V AC per IEC standards.
The operating ambient temperature range is -30°C to 60°C. Storage temperature range is -40°C to 80°C.
The circuit breaker is designed for holder mounting. Dimensions are 45mm height, 24.6mm width, and 52mm depth.
The tripping characteristic is SFB (thermomagnetic).
The rated short-circuit switching capacity is 400A at 240V AC.
The degree of protection is IP30 for the actuation area.
Insulation resistance is greater than 100 MΩ at 500V DC.