SIEMENS NGB2B020BNAV Circuit Breaker 20A 2-Pole

The Siemens NGB2B020BNAV is a 20 Amp, 2-pole molded case circuit breaker designed for panelboard mounting in electrical distribution systems. It is suitable for use in Siemens panelboards and switchboards, providing reliable overcurrent protection in commercial and industrial electrical applications. This breaker is ideal for electrical distributors and switchgear suppliers looking for robust, certified components to support safe wire and cable installations.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: NGB2B020BNAV
• Number of Poles: 2
• Continuous Current Rating: 20A @ 40¬∞C
• Interrupting Rating: 25 kA at 480Y/277V AC
• Mounting Type: Panelboard Mount
• Weight: 2.756 lbs
• Wire Size Compatibility: #14‚Äì#6 AWG Copper, #12‚Äì#6 AWG Aluminum

Features

• Thermal-magnetic trip unit providing standard overcurrent protection
• Included line and load lugs standard for 60/75¬∞C wire
• HACR rated for heating, air conditioning, and refrigeration equipment
• Compact 1-inch width per pole for efficient panel space utilization
• Suitable for use with Siemens certified components only
• Meets UL 489 and CSA standards for safety and performance
• Includes nut keeper plate option (TNKG3) for secure terminal connections
• Designed for easy installation with recommended torque values for line terminals

Downloads & Links

• Spec Sheet
• Spec Sheet