NEB2B070B - 70 Amp Circuit Breaker

NEB2B070B - 70 Amp Circuit Breaker

Discover a dependable circuit breaker that delivers reliable protection for both residential and light‑commercial electrical systems. The Siemens NEB2B070B is engineered as a panelboard‑mount unit with an EG frame, offering seamless integration into existing setups. Equipped with a thermal‑magnetic trip unit, this breaker responds swiftly and accurately to both overloads and short circuits. With a 70 A rating and a compact form factor, the NEB2B070B balances power and space efficiency while giving you peace of mind in the safety and longevity of your electrical installation.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Combines thermal and magnetic protection. Hence, the breaker reacts appropriately whether it’s a slow overload or a sudden short circuit, giving you comprehensive protection from common electrical faults.
• High Fault‑Clearing Capacity: Rated for 22 kAIC at 600Y/347 V and 35 kAIC at 480 V, it’s fully capable of handling significant fault currents, making it a reliable choice for demanding electrical environments.
• Flexible Wiring Options: Includes load-side lugs (TA1EG10), supporting a wide wire range from 8 AWG up to 1/0 AWG (CU/AL), so you have flexibility in your wiring configurations.
• Space‑Saving Panelboard Mount: Its compact size allows for easy installation in tighter panelboard spaces without sacrificing performance.

Technical Specifications

• Frame Type: EG frame
• Trip Unit: Thermal‑Magnetic
• Poles: Two-pole
• Current Rating: 70 A
• Breaking Capacity:
  • 22 kAIC at 600Y/347 V
  • 35 kAIC at 480 V
• Wire Range: 8 – 1/0 AWG (CU/AL)
• Dimensions:
  • Width: Approximately 2 in
  • Height: 5.5 in
  • Depth: 3 in
• Weight: 1.896 lb

Material Compliance and Certifications

• UL Listed: This breaker is UL Listed, confirming that it meets rigorous safety standards and is certified for both residential and commercial use. That listing ensures that it has passed comprehensive testing against overloads, short‑circuits, and other safety hazards — giving you confidence that you’re installing a device that adheres to recognized safety and performance standards.

Where It Works Best

• The NEB2B070B shines in panelboards for small to medium-sized buildings — whether a home, a retail space, or an office environment. Its high breaking capacity makes it suitable for feeder circuits or sub-panels that may encounter heavy loading, and its compatibility with both copper and aluminum wiring means it fits a variety of wiring schemes. Wherever dependable overload and short‑circuit protection are essential — without needing large, industrial‑grade breakers — this unit offers an excellent balance of performance, size, and flexibility.