JA3100S | Circuit Breaker | 100A | 3-Pole | 600V

The JA3100S Circuit Breaker is a rugged industrial protection device engineered for reliable three‑phase service. With a 100A rating and a 3‑Pole configuration at 600V, it delivers coordinated interruption across all phases to protect motors, drives, and distribution circuits from overloads and short circuits. Designed for maintenance, retrofit, and replacement projects, this breaker plugs into compatible panels and MCCs where exact specifications are required.

Why choose the JA3100S

• Three-pole protection provides balanced shutdown across all phases, reducing the risk of partial faults and equipment damage.
• 100A current rating matches common industrial motor and distribution circuits, helping you maintain intended operating margins.
• 600V maximum voltage accommodates typical industrial power systems, ensuring safe isolation in harsh environments.
• Intended for retrofit and replacement—designed to align with existing installations that use the JA3100S family or equivalent specs, enabling straightforward upgrades or replacements.
• Durable, maintenance-friendly design supports reliable performance in demanding industrial settings, reducing downtime during servicing.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 600V

Important compatibility note

Note: Confirm fit and ratings before ordering. The part number JA3100S is the best reference for compatibility with your existing equipment and panel assemblies.

Ideal use scenarios

• Replacing worn or obsolete breakers in 3‑phase industrial panels and motor control centers.
• Retrofits where a 100A, 3‑pole, 600V protection device is required to match current system design.
• Maintenance outages that demand quick, reliable interruption protection to protect downstream equipment.
• New installations in facilities with 3‑phase, 600V service seeking a proven, compatible protection solution.

Practical tips for installation and setup

• Verify mounting style and terminal type matches your panel or MCC enclosure before installation.
• Double-check the system’s voltage and phase configuration to ensure the 600V rating and 3‑pole design are appropriate.
• Keep a reference of the JA3100S part number on hand for future maintenance or replacement planning.

Choose the JA3100S when you need a dependable, specification‑accurate circuit breaker that fits into established 3‑phase, 600V industrial systems, delivering consistent protection and a smooth pathway to maintenance and retrofits.