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The 1C40 – Federal Pioneer 2P40A 120/240V Bolt-On Main Breaker is a reliable circuit breaker designed for optimal performance. Rated at 40 amps with a 10kA interrupting capacity, this unit ensures safety and efficiency in your electrical system. Ideal for residential and light commercial applications, it guarantees peace of mind.
Federal Pioneer (later absorbed into Schneider Electric Canada) is no longer manufacturing new Stab-Lok series breakers, making the 1C40 a hard-to-find, obsolete part. Northern Breaker Group specializes in sourcing exactly these kinds of discontinued breakers — contact us for current stock availability.
Bolt-on breakers (like the 1C40) are mechanically fastened to the bus bar, while plug-in breakers clip on. These two types are NOT interchangeable — installing the wrong style can result in a poor or unsafe connection. Always verify your panel's bus bar type (bolt-on vs. plug-in) before ordering, or send us your panel model and we'll help you confirm.
The 1C40 is rated and configured as a main breaker, but it can also serve as a main disconnect in a sub-panel application, provided the panel enclosure is rated to accept it and the 40A, 10kA ratings are appropriate for the load and fault current at that point in the system. Consult a licensed electrician and verify compliance with the Canadian Electrical Code (CEC) for your specific installation.
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