NGB-3-B020 Panelboard Circuit Breaker – Siemens Electrical Distributor

The Siemens NGB-3-B020 is a 3-pole, 20-ampere panelboard circuit breaker designed for reliable protection of electrical distribution systems. It is suitable for use in light commercial and industrial applications where compact, efficient circuit protection is required. This breaker is part of Siemens' G-frame family, offering compatibility with panelboard mounting and meeting multiple international standards for safety and performance.

Specifications

• Manufacturer: Siemens
• Model Number: NGB3B020
• Current Rating: 20 amperes
• Number of Poles: 3
• Panelboard Mounting: Low Tab Panelboard Mount
• Product Weight: 2.55 lbs
• UPC: 783643553408

Features

• Compact size for space-saving panelboard integration
• Thermal magnetic trip unit with overcenter toggle and trip free mechanism
• Common trip for simultaneous pole disconnection
• Suitable for use as incoming main or branch breaker in distribution systems
• Meets UL489, CSA-C22.2 No. 5-02, and NOM-003 standards
• HACR, SWD, and HID marked for HVAC and lighting applications
• Load side lugs included as standard for easy wiring
• Factory calibrated for 40°C ambient operating temperature

Downloads & Links

• Catalog