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Siemens 20/50 amps Standard 3-Pole Circuit Breaker

Siemens 20/50 amps Standard 3-Pole Circuit Breaker

Siemens 20/50 amps Standard 3-Pole Circuit Breaker delivers dependable overcurrent protection for demanding electrical setups. Built for versatility, this 3-pole plug-in breaker pr…

Siemens MPN Q22050CT
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Typical Store Price i
Typical store price: low $40.99, average $47.99
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About Product Overview

Siemens 20/50 amps Standard 3-Pole Circuit Breaker delivers dependable overcurrent protection for demanding electrical setups. Built for versatility, this 3-pole plug-in breaker protects 120/240V circuits with a dual amperage rating of 20/50A, making it a smart choice for both evolving loads and legacy panels.

Key features designed to save time and reduce complexity:

  • Plug-In mounting for fast, drop-in installation in compatible Siemens panels—minimizing downtime during upgrades or replacements.
  • 3-Pole design supports multi-wire 120/240V circuits and three-phase equipment, giving you robust protection for larger feeders and complex branch circuits.
  • Dual amperage configuration rated at 20A or 50A, offering flexible protection for varying load profiles without swapping devices.
  • Indoor and outdoor suitability suitable for use in appropriate enclosures across garages, workshops, basements, or equipment rooms.
  • Safety and compliance UL Listed and CSA Listed, ensuring alignment with major safety standards and regulatory requirements.
  • Included with purchase Breaker ships ready to install, reducing the need for additional accessories.
  • Compact, panel-friendly footprint with a 4-inch width, 3.5-inch height, and a 13-unit depth, designed to fit neatly in standard Siemens panels without crowding adjacent slots.

Who this is for: electricians, contractors, and informed homeowners who rely on Siemens panels and need reliable, code-compliant protection for 3-wire, 120/240V systems or three-phase equipment. It’s particularly well-suited for feeders, subpanel upgrades, or circuits that demand a sturdy 3-pole solution without sacrificing panel space.

Why it matters: a plug-in 3-pole design with UL/CSA listings provides consistent protection against overcurrent events, helping prevent wiring damage and electrical fires. By offering a flexible 20/50A rating, this breaker adapts to changing loads, supporting safer expansion of home or business electrical systems.

Practical tips:

  • Verify your panel is compatible with plug-in Siemens 3-pole breakers before installation.
  • Use the 20A setting for lighter loads or the 50A setting for heavier feeders to optimize protection and performance.
  • If you’re upgrading from a lower amperage, plan for potential load calculations to ensure the entire panel remains within code limits.

For a reliable, installer-friendly solution that aligns with real-world electrical needs, choose the Siemens 20/50 amps Standard 3-Pole Circuit Breaker and protect your 120/240V circuits with confidence.

The Details Specifications

Brand Siemens
SKU 3008318
UPC 783643195028
Unit 0
Case Pack Quantity 1 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 4 × 3 × 13
Weight 1 lbs
Cubic Feet 0.08131 ft³
Country of Origin MEXICO
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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