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UL-722D-R1A-B105-31

The ABB UL-722D-R1A-B105-31 is a part of ABB’s line of low-voltage circuit breakers designed to provide overload and short-circuit protection for electrical circuits. These circuit breakers are widely used in various industrial, commercial, and residential applications, ensuring safe operation and preventing damage to electrical equipment from overcurrent conditions. The UL-722D series is known for its high-performance ratings and reliable protection mechanisms.

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Parameters: Model Number: UL-722D-R1A-B105-31 Rated Voltage: 600 V AC Rated Current (In): 105 A Rated Frequency: 50/60 Hz Frame Size: 722D (Molded Case Circuit Breaker Frame) Breaking Capacity: 18 kA (at 480 V AC) Protection Type: Thermal-magnetic (overload and short-circuit protection) Trip Curve: B Type B-type breakers trip between 3-5 times the rated current, ideal for sensitive loads and devices that might experience inrush currents but do not require frequent disconnections. Trip Settings (Overload): Adjustable between 100% and 120% of rated current Short-Circuit Protection: Magnetic (instantaneous) Poles: 3P (Three-pole configuration) Mounting Type: Panel mount Operating Temperature Range: -25°C to +70°C Degree of Protection: IP20 (protected against solid objects >12mm in diameter, suitable for indoor use) Dimensions (H x W x D): Approx. 188 x 120 x 150 mm (varies slightly depending on model and configuration) Weight: Approx. 2.3 kg (depends on configuration) Certifications: UL Listed, IEC compliant, CE marking