NEB2B030B - 30 Amp Circuit Breaker

NEB2B030B - 30 Amp Circuit Breaker

The Siemens NEB2B030B is a dependable two‑pole, 30 Amp circuit breaker built for demanding commercial and industrial panelboard applications. It combines thermal‑magnetic protection with a sturdy EG‑frame design to deliver trustworthy overcurrent safeguarding. Whether you’re working with lighting panels, HVAC systems, or machinery feeds, this breaker consistently helps ensure your electrical setup stays safe and operational under load. Its high interrupting capacity and reliable construction make it a smart pick for professionals who need performance they can count on day in and day out.

Key Features and Benefits

• Thermal‑Magnetic Trip Unit: Provides accurate overcurrent protection, safeguarding wiring and devices from both overloads and short circuits.
• High Interrupting Capacity: Capable of clearing up to 22 kAIC at 600Y/347 V and 35 kAIC at 480 V — ideal for handling high-fault conditions without compromise.
• Secure Load‑Side Connections: Comes with load-side lugs (TA1EG10) that accept wire sizes from 8 AWG to 1/0 AWG (CU/AL), enabling safe, durable connections even with heavy-duty wiring.
• Compact and Panel‑Friendly Design: Its 2" width and standardized EG‑frame size make installation clean and space-efficient in most low-voltage panelboards.

Technical Specifications

• Amperage Rating: 30 A
• Voltage Rating: 600Y/347 V — 480 V
• Interrupting Capacity (AIC):
  • 22 kAIC @ 600Y/347 V
  • 35 kAIC @ 480 V
• Trip Type: Thermal‑Magnetic
• Frame Type: EG
• Dimensions:
  • Width: 2″
  • Height: 5.5″
  • Depth: 3″
• Weight: 1.962 lb
• Wire Range (Load Side Lugs – TA1EG10): 8 AWG to 1/0 AWG (CU/AL)

Material Compliance and Certifications

• UL Listed: Ensures it conforms to rigorous regulatory requirements for electrical protection devices.
• WEEE Compliant: Meets 2012/19/EU standards for environmentally responsible disposal and recycling of electrical equipment.

Where It Works Best

• The NEB2B030B shines in commercial buildings, light industrial facilities, and large-scale residential panelboards where reliable protection and flexibility matter. It’s particularly effective in lighting systems, HVAC circuits, motor feeds, and general-purpose loads that demand stable, high-capacity circuit protection. If you need a breaker that combines ease of installation with trustworthy performance — day after day — this 30 Amp EG‑frame panelboard breaker is a solid choice.