SIEMENS NGB3B020BNAV BRKR NGB 20A 3P 480Y 25K LD LUG NAV Molded Case Circuit Breaker

The SIEMENS NGB3B020BNAV is a 3-pole molded case circuit breaker designed for panelboard mount applications. It is intended for use in Siemens panelboard and switchboard designs, providing reliable overcurrent protection for electrical distribution systems. This breaker is suitable for use by electrical distributors and switchgear suppliers requiring compact, high-performance circuit protection.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: NGB3B020BNAV
• Number of Poles: 3
• Continuous Current Rating: 20 Amps @ 40¬∞C
• Voltage Rating: 480Y Volts AC
• Interrupting Rating: 25 kA RMS symmetrical amperes
• Mounting: Panelboard mount
• Product Weight: 5.027 lbs
• Wire Size Compatibility: #14‚Äì#6 AWG Copper, #12‚Äì#6 AWG Aluminum (for 15‚Äì30 Amp versions); #8‚Äì1/0 AWG Copper, #8‚Äì2/0 AWG Aluminum (for 35‚Äì125 Amp versions)
• Torque for Wire Connection: 35 lb-in (4.0 N¬∑m) for smaller wire sizes, up to 55 lb-in (6.2 N¬∑m) for larger wire sizes

Features

• Thermal-magnetic trip unit with long delay and instantaneous protection
• Load and line lugs included as standard for easy installation
• HACR rated for use with heating, air conditioning, and refrigeration equipment
• Compatible with Siemens certified components and accessories such as nut keeper kit (TNKG3) for secure wire termination
• Compact design with 1-inch width per pole for space-saving panelboard layouts
• Designed for use with copper and aluminum conductors rated for 60/75¬∞C insulation
• UL 489 and CSA certified for safety and performance compliance
• Recommended for use by electrical distributors and lighting solutions providers requiring reliable wire and cable protection

Downloads & Links

• Spec Sheet
• Spec Sheet