Siemens Q12000S01 20A 1P Circuit Breaker, Shunt Trip | AmpState

Meet the Siemens Q12000S01 20A 1P Shunt Trip Circuit Breaker — a compact, dependable protection device engineered for panelboards, load centers, and electrical distribution. Built for everyday electrical work, this single-pole breaker delivers reliable overcurrent protection with the added safety of a remote trip option, making it a smart choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Key features

• Amperage: 20 A
• Pole: 1 Pole
• Shunt Trip: Remote disconnection capability for rapid safety control
• Part Number: Q12000S01
• Manufacturer: Siemens
• Applications: Panelboards, load centers, and electrical distribution systems
• Ideal for stocking as a reliable, ready-to-fit replacement part

Why the Q12000S01 matters

This circuit breaker isn’t just about interrupting excess current—it’s about precise, controllable safety. The built-in shunt trip allows remote isolation of equipment or circuits, a feature that’s invaluable in facilities where quick, controlled shutdowns are essential for safety, maintenance, or emergency procedures. Because the Q12000S01 is a direct part-number match for Siemens-compatible panels, you minimize compatibility risk and downtime from misordered components.

Use cases and ideal applications

• Maintenance and service fleets needing reliable, on-brand replacements with guaranteed fit
• Panel builders stocking standardized parts to speed up job sequencing and reduce field errors
• Electrical distribution upgrades in commercial or light industrial settings where a remote trip adds safety layers
• Spare inventory kept on hand to shorten outages and keep projects moving

Compatibility, installation, and practical tips

Designed for Siemens panels and distribution gear, the Q12000S01 integrates into standard 1-pole configurations without modification. To ensure exact fit and performance, verify panel labeling and bus compatibility with Siemens systems. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Practical tips for best results:

• Store in a dry, clean environment to prevent corrosion or contamination of terminals
• Inspect the shunt trip mechanism during installation to ensure responsive triggering under control signals
• Use the component as part of a well-documented spare parts strategy to minimize downtime during panel work

What you get

• 1 x Siemens Q12000S01 20A 1P Shunt Trip Circuit Breaker