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F. Signage <br /> I . Each motor control center shall be furnished with a sign marked " DANGER . 480 VOLTS <br /> - KEEP OUT" . Letters shall not be less than 1 -in high, 1 /4-in stroke. Signs shall be <br /> laminated plastic, engraved white letters with a red background . <br /> 2 . Compartments with voltages from sources outside of the compartment shall have a sign <br /> mounted inside the compartment door marked " CAUTION - THIS UNIT CONTAINS A <br /> VOLTAGE FROM AN EXTERNAL SOURCE " . Letters shall be black on a high <br /> visibility yellow background . <br /> 3 . Provide a 2 - in by 6 -in nominal engraved master nameplate, of two ply laminated plastic, <br /> black face, D-in high by 1 /8 -in stroke white letters, screw fastened to the top wireway of <br /> each lineup with stainless steel screws . Include MCC designation and service ratings . <br /> 4 . Provide 1 -in by 3 -in nominal engraved unit nameplates of two ply laminated plastic, black <br /> face, 3/8 -in high by 1 / 16-in stroke white letters, screw fastened to each door with stainless <br /> steel screws. <br /> 2 .03 COMPONENTS <br /> A. General <br /> 1 . Provide the NEMA size starter, circuit breaker trip ratings, control power transformers and <br /> thermal overload heater element ratings matched to the motors and control equipment <br /> actually supplied, in compliance with the NEC and the manufacturers heater selection <br /> tables. All variations necessary to accommodate the motors and controls as actually <br /> furnished shall be made without extra cost to the Owner. <br /> B . Circuit Breakers <br /> 1 . Power circuit breakers (400 Amps and larger) : 100 percent equipment rated, 600 Volt, <br /> molded case circuit breakers with integral fully adjustable solid state trip device. Trip <br /> device shall be temperature insensitive and have the following characteristics and <br /> functions : <br /> a. Independently adjustable long time pick-up and delay. <br /> b. Independently adjustable short time pick-up and delay with ?t in and out switch. <br /> C , Adjustable instantaneous. <br /> d. Independently adjustable ground fault pick-up and delay. <br /> e. Trip mode targets for over load, short circuit and ground fault. <br /> f. Long time pick-up light. i <br /> 2. Circuit breakers (Less than 400 Amps): Thermal-magnetic trip type, 600 Volt, 2 or 3 Pole <br /> as required., labeled in accordance with UL 489. Provide integral current limiting firsm as <br /> required to meet the specified equipment short circuit rating. Provide independently <br /> adjustable magnetic trips on 225A frame breakers and larger. i <br /> I <br /> 044572017 <br /> 16480-4 <br /> 1 <br />