Siemens Circuit Breaker 277VAC 1P 5SX21 C10

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Product Condition and Packaging: USED - In-House
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Description

Siemens 5SX21 C10 1-Pole Circuit Breaker 10A 277VAC

The Siemens 5SX21 C10 Circuit Breaker is a dependable and compact protection device designed for residential, commercial, and light industrial applications. Featuring a single-pole design and a rated current of 10A, this circuit breaker effectively safeguards electrical systems against overloads and short circuits.

With a voltage rating of 277VAC, the breaker offers solid overcurrent protection while maintaining a compact footprint for easy installation in standard distribution panels. It belongs to the reliable 5SX series, recognized for its high-performance construction, quick trip mechanisms, and long service life.

An integrated status indicator enhances user convenience by clearly displaying the operational state of the breaker. Whether you're upgrading an existing system or installing new protection, the Siemens 5SX21 C10 offers trusted reliability backed by one of the most respected names in electrical engineering.

Features:

  • Rated Current: 10A

  • Voltage: 277VAC

  • Type: 1-Pole Circuit Breaker

  • Series: Siemens 5SX

Explore our Siemens range to discover reliable solutions for all your industrial electrical needs. Click the logo below to view the full collection.


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To set the proper expectation, we use different types of packaging for our products.

A. NEW- Manufacturer Packaging

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In some cases, packaging may be opened for photography or video purposes; however, all products remain brand new and unused. While we ship items in the manufacturer’s original packaging whenever available, please note that some packaging may be aged or show noticeable to significant wear — including dust, marks, fading, or other cosmetic imperfections. Instruction manuals and inserts are included when available but may not always be supplied. These do not affect the quality, authenticity, or performance of the product itself.

B. NEW (New Never Used)Custom Packaging

New products with malformed or scraped packaging
When the manufacturer's packaging suffers defects or scrapes during shipping to our warehouse, we replace it with customized packaging to ensure the safety of the products. Rest assured that these products are brand-new, never used, and thoroughly tested before being shipped.

C. USEDIn-House

The manufacturer's packaging is no longer available
Used products are shipped using in-house packaging. We guarantee that all used products are tested by our licensed electrical engineers before shipping to ensure they are in good condition and fully functional.

We offer a simple 30-day return policy for your added peace of mind. For questions, contact us.

Important Notice for Customers:

All goods sold on our website must be installed by a suitably qualified person in your area. This ensures the safety and compliance of the installation with local electrical codes, regulations, and standards.

Product Description and Condition:

We strive to provide accurate descriptions and images for all listings. However, unless otherwise specified, images are for illustration and reference purposes only. Some packaging may show signs of wear, such as dust or tears, from shelf storage, but the items inside are unaffected. The products themselves may have minor surface marks, scuffs, or scratches due to handling, which are purely cosmetic and do not impact functionality. Additionally, there may be slight variations in color, printed data, and other details, but the overall size, operation and technical information remains consistent.

For any questions or further information, please contact our customer service team.

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