TE CONNECTIVITY / POTTER & BRUMFIELD  W51-A121B1-15  Thermal Circuit Breaker, W51 Series, 125 VAC, 50 VDC, 15 A, 1 Pole, Panel


Image is for illustrative purposes only. Please refer to product description.

Product Overview

The W51-A121B1-15 is a 1-pole 15A panel-mount illuminated Thermal Circuit Breaker with rocker actuator and functions as trip-free actuator. The W51 series circuit breaker has quickly connects termination and breaking capacity of 1000A at 240VAC/50VDC voltage.
  • Compact, trip-free and rocker-actuated design
  • Provides circuit protection and power switching in a single unit
  • 6.35mm Straight quick connect tab termination
  • Power switch with optional indicator lamp
  • Snaps into the same cut-out as many common power switches



Product Range

Back to top

Product Information

  • Product Range W51 Series
  • Voltage Rating VAC 125VAC
  • Voltage Rating VDC 50VDC
  • Current Rating 15A
  • No. of Poles 1 Pole
  • Circuit Breaker Mounting Panel
  • SVHC To Be Advised

Find similar products  grouped by common attribute

View this product in our online catalog

This product also features on the following pages and catalog editions:

  •  131/1455
  •  132/1465


Availability:  244

  • 244 in stock for same day shipping
Check stock and lead times
    More stock available week commencing 8/15/16

Price for: Each

Minimum order quantity: 1

Order multiple quantity: 1

Price: $3.70 $3.7



Quantity List Price
1 - 9 $3.70
10 - 24 $3.45
25 - 49 $3.23
50 - 99 $2.92
100 - 199 $2.30
200+ $2.06

Legislation and Environmental

Back to top

Similar Products

Find products functionally similar to this one. Select one of the following links, and you will be taken to a product group page that presents all products in this category that share the given attribute.

Customer Reviews

Customer Q&A Exchange


Like to see information about this product from other customers?

 Read discussions, blogs, documents from our community members.


Post a question to one of our experts or start a discussion and get responses from supplier experts and fellow engineers in our community.

Associated Products

Customers Also Bought