NEB2B110B - 110 Amp Circuit Breaker

NEB2B110B - 110 Amp Circuit Breaker

The Siemens NEB2B110B 110 Amp Circuit Breaker delivers dependable overload and short‑circuit protection in a compact, panelboard‑mount design — an excellent choice for residential or commercial electrical systems needing reliable two‑pole protection. Its thermal‑magnetic trip unit blends the best of both technologies so your wiring and equipment are safeguarded against both gradual overloads and sudden surges. With a 110 A current rating and impressive interrupting capacity, this breaker is ready to handle demanding loads while staying easy to install and wire.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Combines temperature‑based overload protection with magnetic short‑circuit detection for dependable, all‑around protection.
• High Interrupting Capacity: Handles up to 22 kAIC at 600Y/347 V and 35 kAIC at 480 V, giving confidence for a wide variety of electrical setups.
• Two‑Pole Configuration: Provides balanced dual‑leg protection for 240 V circuits or multi‑phase systems.
• Flexible Wiring Options: Load-side lugs (TA1EG10) support wire sizes from 8 AWG up to 1/0 AWG (CU or AL), giving adaptability for many panelboard wiring needs.
• Compact Size, Simple Installation: At just 2 in (W) × 5.5 in (H) × 3 in (D), it fits easily into standard panelboards without wasting space.

Technical Specifications

• Frame Type: EG frame
• Trip Unit: Thermal‑Magnetic
• Poles: Two‑pole
• Current Rating: 110 Amp
• Interrupting Capacity:
  • 22 kAIC @ 600Y/347 V
  • 35 kAIC @ 480 V
• Voltage Rating: 600Y/347 V, 480 V
• Wire Range (CU/AL): 8 AWG – 1/0 AWG
• Dimensions:
  • Width: 2″
  • Height: 5.5″
  • Depth: 3″
• Weight: 1.257 lb

Material Compliance and Certifications

• UL Listed: This breaker is UL Listed under applicable low-voltage circuit breaker standards, satisfying the rigorous safety requirements expected for both residential and commercial use. That listing confirms its tested performance for interrupting capacity, trip reliability, and overall electrical safety under rated conditions.

Where It Works Best

• This circuit breaker is ideal for service panels or sub‑panels in homes, apartments, small commercial buildings, and light industrial installations requiring 110 A two‑pole protection. It’s advantageous where you need dependable thermal‑magnetic protection for branch circuits, HVAC feeders, or sub‑panel feeds, and where wiring flexibility for copper or aluminum conductors is a priority. Its compact form factor and high interrupting rating make it a solid go-to choice for electricians and building owners who demand both versatility and safety.