NJL631300 | Circuit Breaker | 300A | 3-Pole | 600V | 30kA | Bolt-On

The NJL631300 is a robust industrial circuit breaker designed for reliable protection in three‑phase systems. Built for maintenance, retrofit, and replacement, it delivers precise current interruption at 600V with a 300A rating and a 30kA interrupting capacity, giving you strong protection against faults while keeping downtime to a minimum.

• Amperage: 300A
• Poles: 3‑Pole
• Voltage: 600V
• Interrupting capacity: 30kA
• Mounting: Bolt‑On
• Part number: NJL631300 (best reference for compatibility)

Why the NJL631300 matters for your operations

This bolt‑on, three‑pole circuit breaker is tailored for industrial environments where quick field installation and dependable protection matter most. The 600V rating aligns with common plant distributions, while the 30kA interrupting capacity ensures fast, clean fault clearance. When you’re maintaining or upgrading electrical panels, this unit provides a precise match to the required specifications, helping you avoid compatibility pitfalls and unnecessary downtime.

Ideal use cases

• Maintenance replacements in aging or legacy panels that require 3‑pole, 600V protection
• Retrofit projects upgrading protection for existing 3‑phase equipment and motors
• Spare‑part inventory for industrial maintenance teams to ensure rapid swap‑outs
• Protection of manufacturing lines, processing equipment, and other three‑phase loads in facilities

Practical notes for safe, effective installation

Before ordering, confirm fit and ratings to ensure compatibility with your enclosure. The part number NJL631300 is the most reliable reference for matching your panel. When installing, follow your equipment’s wiring and torque specifications, and keep this unit on hand for quick replacement to minimize downtime.

With the NJL631300, you get a purpose‑built circuit protection solution that supports maintenance, retrofit, and replacement workflows, delivering consistent performance and clear value in demanding industrial settings.