BQD120, Molded Case Circuit Breaker

BQD120 Molded Case Circuit Breaker – Electrical Protection The Siemens BQD120 is a single-pole molded case circuit breaker designed for panelboard mounting applications. It provides reliable overcurrent protection with a thermal magnetic trip unit, suitable for use in electrical distribution systems managed by electrical distributors and switchgear suppliers. This breaker supports a continuous current rating of 20 amperes and operates efficiently at 277 VAC with a 14kA interrupting rating, making it suitable for residential, commercial, and light industrial lighting solutions and wiring systems. Specifications Manufacturer: Siemens Model: BQD120 Number of Poles: 1 Continuous Current Rating: 20 amperes Interrupting Rating: 14,000 A at 277 VAC Voltage Rating: 277 VAC Frequency: 50/60 Hz Type of Electrical Connection: Low Tab Size of Circuit Breaker Frame: 100A Material of Enclosure: Molded Case Circuit Breaker Dimensions (HxWxD): 1 in x 3 in x 4 in Weight: 0.57 lbs Standards: UL 489, CSA-C22.2, IEC 60947-2 Maximum Ambient Operating Temperature: 40 °C Special Feature: Panelboard Mount Features Thermal magnetic trip unit for reliable overcurrent and short-circuit protection Single-pole design suitable for 277 VAC circuits Compact size for efficient panelboard installation UL Listed and CSA Certified for safety compliance Suitable for use with 60/75°C copper and aluminum wire Downloads & Links Catalog Data Sheet