SIEMENS BQD120SN Breaker 20A 277VAC 1-Pole Molded Case Circuit Breaker

The Siemens BQD120SN is a low voltage molded case circuit breaker designed for panelboard mounting in construction applications. It provides circuit protection with a thermal magnetic trip unit, suitable for electrical distributors and switchgear suppliers requiring reliable protection at 277VAC. This single-pole breaker supports continuous current up to 25A and features a 14kA interrupt rating, making it compatible with lighting solutions and wire and cable systems in commercial and industrial environments.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: BQD120SN
• Number of Poles: 1
• Continuous Current Rated Value: 25 A
• Supply Voltage Frequency: 50/60 Hz
• Voltage Rating: 277 VAC
• Interrupt Rating: 14 kA
• Frame Size: 100 A
• Trip Type: Thermal Magnetic Trip Unit
• Type of Electrical Connection: Low Tab
• Material of Enclosure: Molded Case Circuit Breaker
• Dimensions (H x W x D): 5 in x 1 in x 3 in
• Maximum Ambient Temperature: 40 ¬∞C
• Standards: UL 489, CSA-C22.2, IEC 60947-2

Features

• Panelboard mount design for easy installation
• Thermal magnetic trip unit for reliable overload and short circuit protection
• Molded case construction ensures durability and safety
• Compatible with 1-wire switch neutral wiring
• Meets multiple international safety and performance standards

Downloads & Links

• Spec Sheet