Thomas & Betts JS360100A Circuit Breaker, 100A, 3-Pole, 600V

The Thomas & Betts JS360100A is a purpose-built circuit breaker designed for demanding industrial service, maintenance, and replacement projects. With a 100 A rating across 3 poles and a 600 V operating range, this unit provides reliable protection for three-phase power distribution in commercial and industrial environments.

Why this breaker stands out

• Three-pole, 100 A protection for 3-phase systems: interrupts faults across all phases, reducing risk to equipment and personnel.
• Industrial-grade reliability: engineered to withstand frequent switching, short-term overloads, and continuous operation in tough environments.
• Clear compatibility via part number: JS360100A confirms fit for your panel and application when matched with the manufacturer's specifications.
• 600 V maximum voltage: suited to common industrial distribution in commercial facilities, data centers, and manufacturing floors.
• Streamlined replacement workflow: integrates with existing Thomas & Betts and standard electrical infrastructure for efficient service turns.

Ideal use cases

Use this JS360100A breaker to protect three-phase feeders, motors, and control circuits in:

• Manufacturing lines and conveyors
• Industrial HVAC and power distribution panels
• Machine tooling and robotics stations
• Data center racks and auxiliary power distributions in compliant facilities

How it helps you manage risk and downtime

With precise overload protection and rapid fault interruption, the JS360100A minimizes unplanned downtime and equipment damage. Its robust design supports regular maintenance cycles and helps ensure safety across your electrical distribution network.

Specifications at a glance

• Manufacturer: Thomas & Betts
• Part Number: JS360100A
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V

Compatibility and support

To ensure proper fit, verify the part number against your application requirements. If you’re unsure about compatibility or need help finding the right match, message us and our team will confirm fitment and guide you through the purchasing process.