SIEMENS NGB1B110B BREAKER NGB 1P 110A 347V 14KA LD LUG Molded Case Circuit Breaker

The Siemens NGB1B110B is a single-pole molded case circuit breaker designed for panelboard and switchboard applications. It provides reliable overcurrent protection with a continuous current rating of 110 amps at 40°C and a voltage rating of 347V. This breaker is suitable for use by electrical distributors and switchgear suppliers requiring robust and HACR-rated circuit protection. It features integral load lugs for 60/75°C copper and aluminum wire connections, supporting wire sizes from #8 to 1/0 AWG copper and #8 to 2/0 AWG aluminum.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: NGB1B110B
• Number of Poles: 1
• Continuous Current Rating: 110 A @ 40°C
• Voltage Rating: 347 V AC
• Interrupting Rating: 14 kA RMS symmetrical at 347 V AC
• Wire Size (Load Lugs): #8–1/0 AWG Cu, #8–2/0 AWG Al (60/75°C)
• Product Weight: 2.21 lbs

Features

• HACR rated for use with heating, air conditioning, and refrigeration equipment
• Integral load lugs included as standard for easy wire connection
• Designed for Siemens panelboard and switchboard systems
• UL Listed for reverse feed
• Compact 1-inch width per pole for space-efficient installation

Downloads & Links

• Spec Sheet
• Spec Sheet
• Spec Sheet