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SAMSON OCEANFRONT PARK <br />CITY OF SUNNY ISLES <br />TECHNICAL SPECIFICATIONS <br />ENCLOSED SWITCHES AND CIRCUIT BREAKERS 16410 - 3 <br />B. Enclosed, Fusible Switch, 1200 A and Smaller: NEMA KS 1, Type HD, with clips to accommodate spe- <br />cified fuses, lockable handle with two padlocks, and interlocked with cover in closed position. <br />2.3 <br />A. Molded-Case Circuit Breaker: NEMA AB 1, with interrupting capacity to meet available fault cur- <br />rents. <br />ENCLOSED CIRCUIT BREAKERS <br />1. Thermal-Magnetic Circuit Breakers: Inverse time-current element for low-level overloads, <br /> and instantaneous magnetic trip element for short circuits. Adjustable magnetic trip setting <br /> for circuit-breaker frame sizes 250 A and larger. <br />2. Electronic Trip Unit Circuit Breakers: RMS sensing; field-replaceable rating plug; with the <br /> following field-adjustable settings: <br />a. Instantaneous trip. <br />b. Long- and short-time pickup levels. <br />c. Long- and short-time time adjustments. <br />d. Ground-fault pickup level, time delay, and I2t response. <br />2.4 <br />A. NEMA AB 1 and NEMA KS 1 to meet environmental conditions of installed location. <br />ENCLOSURES <br />1. Outdoor Locations: NEMA 250, Type 3R. <br />2. Kitchen Areas: NEMA 250, Type 4X, stainless steel. <br />3. Other Wet or Damp Indoor Locations: NEMA 250, Type 4. <br /> <br />2.5 <br />A. Manufacturer's standard prime-coat finish ready for field painting. <br />FACTORY FINISHES <br />B. Finish: Manufacturer's standard ANSI-61 grey paint applied to factory-assembled and -tested enclosures <br />before shipping. <br />PART 3 - EXECUTION <br />3.1 <br />A. Examine elements and surfaces to receive enclosed switches and circuit breakers for compliance <br />with installation tolerances and other conditions affecting performance. <br />EXAMINATION <br />1. Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 <br />A. Identify field-installed conductors, interconnecting wiring, and components; provide warning signs as <br />specified in Division 16 Section "Basic Electrical Materials and Methods." <br />IDENTIFICATION