Eaton LGS3630NNWC - 630 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Eaton LGS3630NNWC — a 630A, 600V, 3-pole bolt-on molded case circuit breaker designed to safeguard panelboards and load centers from overcurrent and short circuits. Built for demanding power distribution, this breaker combines rugged reliability with precise protection, making it a standout choice for both new installations and upgrades.

Key features that set it apart

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection for enduring performance in dynamic environments.
• Thermal-magnetic trip unit provides stable, repeatable protection across a range of loads and temperatures, minimizing nuisance trips.
• Three-pole design ensures balanced protection for 3‑phase systems, ideal for larger commercial and light industrial circuits.
• OEM compatibility designed to work with matching Eaton panelboards and loadcenters for streamlined installation and reliable coordination.
• High-capacity ratings 630A at 600V let you protect substantial branch circuits and feeders with a single device."

What it protects and where it shines

The LGS3630NNWC is purpose-built for branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its 3-pole configuration is ideal for distributing power to three-phase equipment, motors, HVAC systems, and other high-demand loads commonly found in commercial settings and light industrial spaces, while still fitting residential 3‑phase requirements where applicable.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: LGS3630NNWC
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 630A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for

Residential, commercial, and light industrial facilities that require robust 3‑phase protection and a dependable, easy-to-service breaker. If your panelboard or load center calls for a bolt-on, molded-case solution capable of handling high-current feeders, this unit delivers the durability and protection you need, with the compatibility you count on from Eaton.

Practical installation tips

• Follow OEM torque specifications for the mounting bolts to ensure a secure, vibration-resistant connection.
• Pair the LGS3630NNWC with compatible Eaton panelboards for optimal coordination and protection sequencing.
• Verify that your load calculations require a 630A, 600V, 3-pole solution before installation to ensure proper circuit protection and compliance.
• When replacing an older breaker, confirm panelboard model compatibility to maintain accurate trip curves and thermal-magnetic protection.

For installers and facility managers seeking reliable, high-current protection with straightforward serviceability, the Eaton LGS3630NNWC (630A, 600V, 3‑pole bolt-on) stands out as a purpose-built solution that blends rugged construction with precise electrical protection. Available from AmpState, it’s a practical upgrade or backbone breaker for demanding power systems.