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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> Orange County Emergency Services Building Construction Documents <br /> SECTION 26 28 16.13 <br /> ENCLOSED CIRCUIT BREAKERS <br /> PART 2 PRODUCTS <br /> 1.01 ENCLOSED CIRCUIT BREAKERS <br /> A. Description: Units consisting of molded case circuit breakers individually mounted in enclosures. <br /> B. Provide products listed, classified, and labeled as suitable for the purpose intended. <br /> C. Unless otherwise indicated, provide products suitable for continuous operation under the following <br /> service conditions: <br /> 1. Altitude: Less than 6,600 feet. <br /> 2. Ambient Temperature: Between 23 degrees F and 104 degrees F. <br /> D. Short Circuit Current Rating: <br /> E. Conductor Terminations: Suitable for use with the conductors to be installed. <br /> F. Provide solidly bonded equipment ground bus in each enclosed circuit breaker, with a suitable lug <br /> for terminating each equipment grounding conductor. <br /> G. Enclosures: Comply with NEMA 250, and list and label as complying with UL 50 and UL 50E. <br /> 1. Environment Type per NEMA 250: Unless otherwise indicated, as specified for the following <br /> installation locations: <br /> H. Provide externally operable handle with means for locking in the OFF position. <br /> 1.02 MOLDED CASE CIRCUIT BREAKERS <br /> A. Description: Quick-make, quick-break, over center toggle, trip-free, trip-indicating circuit breakers <br /> listed and labeled as complying with UL 489, and complying with FS W-C-375 where applicable; <br /> ratings, configurations, and features as indicated on the drawings. <br /> B. Interrupting Capacity: <br /> 1. Provide circuit breakers with interrupting capacity as required to provide the short circuit <br /> current rating indicated, but not less than: <br /> 2. Fully Rated Systems: Provide circuit breakers with interrupting capacity not less than the <br /> short circuit current rating indicated. <br /> C. Conductor Terminations: <br /> 1. Lug Material: Aluminum, suitable for terminating aluminum or copper conductors. <br /> D. Multi-Pole Circuit Breakers: Furnish with common trip for all poles. <br /> END OF SECTION 26 28 16.13 <br /> PDC Project 18102 ENCLOSED CIRCUIT 26 28 16.13 - 1 <br /> 12/17/2018 BREAKERS <br />