Schneider Electric PJA36100U31A 31A 3-Pole 600 V Circuit Breaker

Schneider Electric PJA36100U31A is a purpose-built 31 A, three-pole circuit breaker designed to safeguard three-phase electrical systems up to 600 V. With part number PJA36100U31A, this breaker delivers reliable protection for demanding industrial and commercial applications where consistent, predictable trip performance matters.

Key specifications at a glance

• Current rating: 31 A
• Poles: 3
• Voltage rating: 600 V
• Part number: PJA36100U31A

Why this 3-pole breaker matters for your systems

In three-phase installations, protecting each leg of the circuit is essential to prevent equipment damage and downtime. The Schneider Electric PJA36100U31A provides dedicated protection across all three phases, helping to:

• Limit damage from overloads and short circuits in motors, drives, and control panels
• Prevent cascading faults that can affect entire lines or machines
• Maintain safer, more predictable operating conditions for downstream components

Ideal applications

• Industrial facilities with three-phase motors, pumps, or conveyors
• Commercial and light-industrial panelboards requiring reliable 600 V protection
• Electrical rooms and motor control centers where consistent trip performance is critical

What sets this Schneider Electric breaker apart

Built on Schneider Electric’s trusted protection platform, the PJA36100U31A integrates smoothly with Schneider panels and distribution gear, delivering:

• Consistent, predictable trip behavior across all three phases
• Clear identification and traceability through the distinctive part number (PJA36100U31A)
• Durable construction designed to withstand the rigors of industrial environments

Practical guidance and best-use tips

• Ensure the breaker’s 31 A rating aligns with downstream conductor sizes and device loads to maintain safe operation
• Install as part of a properly rated three-phase distribution setup, compatible with Schneider Electric panels and gear
• Regularly inspect wiring connections and mounting hardware for secure, vibration-resistant operation in demanding environments
• Keep spare PJA36100U31A units on hand for maintenance or rapid replacement to minimize downtime

For reliable three-phase protection up to 600 V, the Schneider Electric PJA36100U31A 31A 3-Pole 600 V Circuit Breaker combines precise performance with the confidence of a brand trusted by professionals across industrial and commercial installations.