Siemens JK3B100 100A 3-Pole 600 V Circuit Breaker

Engineered for dependable protection in three‑phase power systems, the Siemens JK3B100 100A 3‑Pole 600 V Circuit Breaker delivers reliable overcurrent protection for demanding industrial and commercial applications. Designed to interrupt fault currents safely, it helps safeguard wiring, motors, and valuable equipment from damage and downtime.

Specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part Number: JK3B100

Ideal use cases

• Three‑phase motor circuits for pumps, conveyors, fans, and processing equipment
• Protection within industrial control panels and distribution boards
• HVAC equipment feeds and other commercial/industrial power distributions

Why the JK3B100 stands out

• Siemens engineering ensures consistent, dependable protection in 3‑pole, 600 V installations
• Clear, predictable response to overloads helps minimize downstream damage and downtime
• Robust construction designed for demanding environments typical of industrial settings
• Part of Siemens’ trusted protection lineup, providing straightforward integration into compatible systems

Practical considerations and tips

• Install in appropriately rated three‑phase circuits up to 600 V to safeguard equipment and wiring
• Use with correctly sized conductors and follow standard electrical practices for safe, reliable operation
• Document and label the circuit for easy maintenance and quick fault isolation

Upgrade your electrical protection with the Siemens JK3B100 100A 3‑Pole 600 V Circuit Breaker to ensure reliable, responsive safeguarding of your three‑phase power infrastructure.