NEB2B020B - 20 Amp Circuit Breaker

NEB2B020B - 20 Amp Circuit Breaker

Looking for a reliable two‑pole 20 Amp circuit breaker that delivers dependable overload and short‑circuit protection? The Siemens NEB2B020B is built to handle everyday electrical demands, whether in a home or a small commercial setup. With a thermal‑magnetic trip unit and high fault‑interruption capacity, it provides dependable circuit protection while remaining compact and easy to install.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Combines thermal sensing for gradual overloads and magnetic triggering for sudden surges or short circuits, giving you dual‑mode safety and peace of mind.
• High Breaking Capacity: Rated for 22 kAIC at 600Y/347 V and 35 kAIC at 480 V, ensuring the breaker can safely interrupt fault currents in a variety of environments and applications.
• Two‑Pole, 20 Amp Configuration: Ideal for 240 V circuits that require a dedicated two‑pole breaker.
• Versatile Wiring with Load‑Side Lugs (TA1EG10): Accepts copper or aluminum conductors from 8 AWG up to 1/0 AWG, making it flexible for diverse wiring scenarios and upgrades.
• Compact Panelboard Mount Design: Its modest footprint saves space inside panelboards while still delivering robust protection.

Technical Specifications

• Frame Type: EG frame
  
• Trip Unit: Thermal‑Magnetic
  
• Poles: Two‑pole
  
• Current Rating: 20 Amp
  
• Voltage Rating: 600Y/347 V (22 kAIC) / 480 V (35 kAIC)
  
• Dimensions:
  • Width: 2 in
  • Height: 5.5 in
  • Depth: 3 in
• Wire Range (CU/AL): 8 AWG to 1/0 AWG
  
• Typical Weight: ~1.26 lb
  

Material Compliance and Certifications

• UL Listed: This circuit breaker is UL‑listed, ensuring it meets rigorous safety and performance standards common in residential and commercial wiring installations. The listing confirms that the unit has been tested under strict conditions and meets the established criteria for current interruption, thermal performance, and mechanical construction integrity.

Where It Works Best

• The Siemens NEB2B020B shines wherever you need dependable circuit protection for 240 V loads — whether that’s a branch circuit for HVAC, electric water heaters, lighting panels, or smaller commercial equipment. It works exceptionally well in panelboard‑mount applications where space is limited, but safety and high fault‑interruption capacity remain essential. If you’re doing electrical work in a home, workshop, or small business, this breaker offers a well‑balanced mix of capacity, flexibility, and installation‑friendly design.