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circuit-breaker

Siemens Q370 70A 3P 240V Circuit Breaker, Plug-On | AmpState

Part Number Q370
Amperes 70
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $397.00
Sale price $397.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens Q370 70A 3P 240V Circuit Breaker, Plug-On | AmpState

Siemens Q370 70A 3P 240V Circuit Breaker, Plug-On | AmpState

Regular price $397.00
Sale price $397.00 Regular price
Unit price
Product description
Shipping

Protect your electrical distribution with precision using the Siemens Q370 70A 3P 240V Plug-On Circuit Breaker, available from AmpState. Built for panelboards, load centers, and distribution systems, this unit delivers dependable protection while keeping your BOM aligned to the original part number for seamless stocking and procurement.

  • Amperage: 70 A
  • Poles: 3
  • Voltage: 240 V
  • Mounting: Plug-On
  • Part Number: Q370
  • Manufacturer: Siemens

This 3-pole, 70-amp plug-on breaker is ideal for protecting multi-wire circuits in panelboards and distribution centers. It shines in replacement projects where maintaining BOM integrity is crucial and the original Siemens part number must be preserved to prevent compatibility issues during installation.

  • Quick, tool-friendly plug-on installation that reduces wiring time and effort
  • Reliable 240-volt protection suitable for main and branch circuits in electrical distribution systems
  • Stocking convenience: a genuine OEM part that keeps your spare inventory aligned with the original build
  • Consistent trip characteristics and compatibility within Siemens protection schemes

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Choose the Siemens Q370 70A 3P 240V Plug-On Circuit Breaker from AmpState for OEM reliability, straightforward installation, and BOM-friendly stocking—designed for electricians, facilities managers, and maintenance teams who value precise protection and dependable performance.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day