Siemens NGG3B090L - 90 A, 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Siemens NGG3B090L, a purpose-built 90A, 600V, 3-pole molded case circuit breaker designed to safeguard panelboards and loadcenters with precision. Supplied through AmpState, this device delivers dependable branch circuit overcurrent and short-circuit protection for a range of residential, commercial, and light industrial applications.

• Compact molded case design maximizes panel space, making it easier to fit into crowded electrical enclosures without sacrificing performance.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying loads and ambient conditions, reducing nuisance trips and ensuring reliable fault isolation.
• 3-pole configuration ensures simultaneous disconnection across all phases, which is essential for balanced protection in 3-phase systems.
• 90A, 600V rating supports robust protection for branch circuits and feeders in a variety of installations while maintaining safe disconnect capabilities at higher voltage levels.
• OEM-compatible compatibility works with matching Siemens OEM loadcenters and panelboards, enabling straightforward replacement and consistent performance.
• Ideal for multiple sectors—well suited for residential, commercial, and light industrial panels where reliable overcurrent and short-circuit protection is non-negotiable.

Why this matters for you

• Protects wiring and connected equipment from overheating and damage by tripping exactly when current exceeds safe limits.
• Provides fast, predictable response to short circuits, helping prevent electrical fires and equipment failure.
• Streamlines panel maintenance with a design that fits standard Siemens loadcenters and simplifies future upgrades or part replacements.

Technical snapshot

• Manufacturer: Siemens
• Part Number: NGG3B090L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens NGG3B090L for a compact, reliable, and compatible protection solution that fits seamlessly into your electrical infrastructure. Its combination of precise thermal-magnetic protection, space-efficient form, and OEM compatibility makes it a practical, long-term investment for safeguarding your panelboards and the devices they serve.