US Breaker: Telemecanique Contactor, Square D Breaker & Eaton MCB Replacement Leader.

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  • Please note that US Breaker will be closing Thursday July 3rd at 3PM EST. This will not affect shipping schedules as stock orders placed by 3:00 PM EST will still ship the same day. Stock orders scheduled to ship on Friday July 4th will go out on Monday July 7th. We wish you a fantastic Holiday!
  • Welcome to US Breaker. Please login, register a new free account, or utilize guest checkout to place your order.
  • Stock orders placed by 3PM (Easter Standard Time) ship the same day. A tracking number and receipt will be sent to your email.
  • NOTE: If you need help with your login please call us toll free at 866.652.2045 or email us at support@usbreaker.com



  • The Same Great Circuit Breaker & Telemecanique Starter Replacements at a Better Price.

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