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circuit-breaker

Siemens Q21525CTNC - 25 A, 240 V Plug-In Circuit Breaker | AmpState

Part Number Q21525CTNC
Amperes 25
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 $710.00
Sale price $710.00 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 Q21525CTNC - 25 A, 240 V Plug-In Circuit Breaker | AmpState

Siemens Q21525CTNC - 25 A, 240 V Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens Q21525CTNC — a dependable 25A, 240V plug‑in molded case circuit breaker engineered to protect your electrical system from overloads and short circuits. Built for rapid installation and reliable performance, it’s a smart upgrade for any Siemens‑based panelboard or load center.

Why this breaker stands out

  • Fast plug‑in connection for quick installation and seamless replacement, minimizing downtime during panel maintenance or upgrades.
  • Thermal‑magnetic trip unit delivers stable, repeatable protection: the thermal element responds to gradual overloads, while the magnetic mechanism delivers an instantaneous response to short circuits, helping prevent damage to wiring and connected equipment.
  • OEM‑grade compatibility designed to work with matching Siemens load centers and panelboards, preserving performance, labeling, and electrical coordination.
  • Versatile application suited for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

What it protects and how it helps

This plug‑in molded case circuit breaker safeguards branch circuits from overload and short‑circuit events, automatically interrupting power to prevent wire overheating and component damage. With a 25A rating at 240V, it’s ideal for circuits that require solid protection without compromising on performance or response time.

Ideal use cases

  • Replacing a failed or aging breaker in a Siemens panelboard or load center with a like‑for‑like, ensuring consistent trip characteristics and fit.
  • Upgrading to a reliable, plug‑in solution in residential service panels, small commercial panels, or light industrial distribution centers.
  • Retrofitting or expanding circuits where quick install time reduces service interruptions during panel maintenance.

Technical snapshot

  • Manufacturer: Siemens
  • Part Number: Q21525CTNC
  • Type: Thermal‑magnetic molded case circuit breaker
  • Amperage Rating: 25A
  • Voltage Rating: 240V
  • Mounting Style: Plug‑in
  • Application: Branch circuit overcurrent and short‑circuit protection

Why choose Siemens for panel protection

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What Our Customers Say

4.9 (38 reviews)

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

Verified

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

Verified

A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

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

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