3 hp single phase motor
[DOCX File]This section has been written to cover most (but not all ...
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THREE PHASE, SINGLE SPEED MOTORS. Use NEMA rated three phase, 60 hertz motors for all motors 1/2 HP and larger unless specifically indicated. Use NEMA general purpose, continuous duty, Design B , normal starting torque, T-frame or U-frame motors with Class B or better insulation unless the manufacturer of the equipment on which the motor is
[DOCX File]SECTION 11 05 12, GENERAL MOTOR REQUIREMENTS FOR …
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Motors, less than 373 W (1/2 HP): Single phase. Motors, 373 W (1/2 HP) and larger: Three phase. Exceptions: Hermetically sealed motors. Motors for equipment assemblies, less than 746 W (one HP), may be single phase provided the manufacturer of the proposed assemblies cannot supply the assemblies with three phase motors. Horsepower ratings shall be adequate for operating the connected loads ...
[DOCX File]23 05 13
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Motors ¾ to 2-HP: 208 Volts single-phase 60 Hz. Motors 3-HP and larger: 480 Volts three-phase 60 Hz. Type . Motors located in humid conditions or outdoors shall be TEFC type. Motors: Design for continuous operation in a 40C environment. Design for temperature rise in accordance with NEMA MG 1 limits for insulation class, service factor, and motor enclosure type. Motors with frame sizes 254T ...
[DOC File]Commercial Operators Full Line Spec
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1 horsepower single phase or three phase. Motor frame comply with: ** NOTE TO SPECIFIER ** Select one of the following operation paragraphs for the motor horsepower specified and delete the ones not required. NEMA 48 for 1/2 hp single phase. NEMA 56 for 1/2 hp three phase. NEMA 56 3/4 and 1 hp all phases. Construction: ** NOTE TO SPECIFIER ** Select construction required from the following ...
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