NEB2B080B - 80 Amp Circuit Breaker

NEB2B080B - 80 Amp Circuit Breaker

Get dependable, high-performance protection for your electrical systems with the Siemens NEB2B080B — a two-pole, 80-amp panelboard circuit breaker engineered for commercial and industrial environments. Designed as part of the EG frame family, this breaker delivers thermal‑magnetic trip protection with a strong interrupting capacity, making it a wise choice for critical installations that demand reliability under heavy loads. Whether you’re building a new panel or upgrading an existing one, the NEB2B080B offers a balanced blend of performance, safety, and ease of installation.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit — Provides precise, dependable protection against overloads and short circuits so your equipment stays safe from unexpected surges.
• High Interrupting Capacity — Rated at 22 kAIC at 600Y/347 V and 35 kAIC at 480 V, it handles high-fault conditions without compromise, offering confidence in demanding electrical environments.
• Two‑Pole, 80 Amp Rating — Ideal for feeders or branch circuits that require substantial power handling with tight safety control.
• Secure Load Connections — Comes with load-side lugs (TA1EG10) that support 8 AWG up to 1/0 AWG (CU/AL), giving you flexibility and secure wire connections in a variety of wiring setups.
• Compact and Durable Design — With modest dimensions and a lightweight build (about 1.26 lb), installation is straightforward even in tightly packed panelboards.

Technical Specifications

• Amperage Rating: 80 A
• Voltage Rating: 600Y/347 V and 480 V
• Interrupting Rating:
  • 22 kAIC at 600Y/347 V
  • 35 kAIC at 480 V
• Trip Type: Thermal‑Magnetic
• Frame Type: EG
• Configuration: Two-pole
• Load‑Side Wire Range: 8 – 1/0 AWG (Copper or Aluminum) — TA1EG10 lugs only
• Approximate Dimensions: 2.0 in (W) × 5.5 in (H) × 3.0 in (D)
• Weight: 1.257 lb

Material Compliance and Certifications

• UL Listed: The NEB2B080B is manufactured to meet industry-leading safety and environmental standards. It is UL-listed, assuring compliance with rigorous North American safety requirements for low-voltage circuit breakers.
• WEEE Compliance: The breaker aligns with WEEE (Waste Electrical and Electronic Equipment) directives, supporting responsible end-of-life recycling and disposal — reflecting a commitment to both safety and environmental stewardship.

Where It Works Best

• Main or sub-panel feeders in manufacturing plants, warehouses, and extensive commercial facilities
• Branch circuits feeding heavy loads such as HVAC systems, motor control centers, or large lighting banks
• Retrofit or expansion projects where dependable overcurrent protection and high interrupting capacity are critical
• Environments where secure, code‑compliant wiring is essential and space in the panelboard is limited