Siemens QJ3B200 200A 3P 240V Circuit Breaker, Bolt-On | AmpState

The Siemens QJ3B200 is a 200 A, 3-pole, 240 V bolt-on circuit breaker designed to deliver reliable protection within panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this unit is a smart choice for teams that rely on precision parts and fast turnarounds where a direct part-number match matters.

What sets the QJ3B200 apart? Its bolt-on mounting provides a secure, go-to solution for quick installations and dependable performance in space-constrained panels. With a clear part-number match to Siemens, it minimizes guesswork during maintenance or panel builds, helping you avoid misfits and delays.

Key specifications at a glance

• Amperage: 200 A
• Poles: 3
• Voltage: 240 V
• Mounting: Bolt-On
• Part Number: QJ3B200
• Application: Circuit protection for panelboards, load centers, and electrical distribution

Ideal for

• Maintenance teams performing routine replacements or emergency fixes who require exact-fit parts
• Panel builders and engineers configuring new or upgraded electrical distribution systems
• Strategic inventory planners maintaining spare parts with precise part-number alignment

Why this matters in the real world

• Minimize downtime: bolt-on mounting speeds up fault-repair workflows and reduces the time your teams spend on wiring tasks.
• Guaranteed compatibility: the QJ3B200 is the exact Siemens part-number alignment you need to ensure a trouble-free fit in compatible panels.
• Reliability you can count on: designed for dependable circuit protection in demanding commercial or light industrial applications.

Need help confirming fit or matching a part number to your panel lineup? Message AmpState and we’ll help verify compatibility and availability for quick, confident ordering.