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[DOC File]22c-sr001_-en-p.doc
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The variable frequency drive (VFD) shall be designed to operate in one of the following input voltage classes with ±10% voltage tolerance: 200 to 240 VAC, 3 phase. 380 to 480 VAC, 3 phase. The VFD shall operate from an input frequency range of 48 to 63 Hz.
wiring a 480 motor

[DOC File]BASIC NEC CODE RULES AND DESIGN PRACTICE
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Load: Motor 3 HP, 1 phase, 230V run ground wire with all motors. I = 17A NEC 430=148 . Wire Size = 17A = 21.5A .8 NEC 310-16 #10 is next size wire good for 30 Amp CB = (I)(2 to. 2.5) NEC 430-152. CB Size = (17 A) (2) = 34A USE 35A circuit breaker. Conduit Size #10, (2 power,1 ground), Table 3A, THW, 1/2" conduit will take 4 #10. Example. Load: Unit Heater 10 KW, 230V, 3 phase, find I, wire ...
480 volt 3 phase wiring

[DOC File]SECTION 13921 - Government of New York
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C. Premises Wiring System: 120/208 volt, 3 phase, 4 wire. 2.02 MOTORS. A. Motor (Nameplate) Voltage: 1. 120/208 V and 277/480 V, Three Phase, 4W Premises Wiring Systems: a. Motors Less Than 1/2 HP: NEMA standard motor voltage 115 V, single phase, 60 Hz. b. Motors 1/2 HP and Larger: 1) 208 Volt Circuit: NEMA standard motor voltage 200 V, three phase, 60 Hz. 208 V, 208-230 V, 220 V, or …
3 phase motor wiring connection

SECTION 262419 - MOTOR CONTROL CENTERS
Motor Control Center: NEMA ICS 2, Class I, Type B. Provide pressure type pull-apart blocks. Identify each terminal with a wire number corresponding to the shop drawing. Ratings and Classifications: Voltage, Phases, Wires and Frequency: [480V] [480/277V] [208V] [208/120V], 3-Phase, [3 …
3 phase 480 volt motor wiring connections

[DOC File]26 05 53 (16075) - Identification for Electrical Systems
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.3 277/480 V: Bronze.4 277/480 V Emergency: Bronze (covers marked “EM”) ... Colour .1 120/208 V, 3 phase: Red, black and blue. .2 120/208 V emergency: Red, black and blue with yellow tracer. .3 347/600 V 3 phase: Orange, brown and yellow. .4 347/600 V emergency: Orange, brown and yellow with red tracer. .4 Where multi conductor cables are used, use same colour coding system for ...
480 volt motor wiring

[DOC File]ELECTRICAL DESIGN CRITERIA
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3 phase AC; 208 volt; up to 25 horsepower (motor rating 200v) 3 phase AC; 480 volt; up to 150 horsepower (motor rating 460v) Primary voltage above 150 horsepower . L.1.2 Where available use 480 volts, 3 phase for all motors 1/2 to 150 horsepower. L.1.3 Use Manufacturer's recommendations in specifying type and class of motors. NEMA standards, which recommend mounting dimensions and …
3 phase motor wire diagram

[DOC File]SECTION 16221 - Government of New York
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2009-02-12 · 3. 277/480 V, Three Phase, 4W, Premises Wiring Systems: a. Motors Less Than 1/2 hp: NEMA standard motor voltage 115 V, single phase, 60 Hz. b. Motors 1/2 hp and Larger: NEMA standard motor voltage 460 V, three phase, 60 Hz. 440 V motors are not acceptable. D. Horsepower Capacity: 1. Each motor shall not be overloaded by the apparatus it operates under every condition of operation. …
240 480 motor wiring diagram

[DOC File]PART 1
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Up to and including 1/2 HP: operate at 120 volts - single phase - 60 cycles, unless otherwise indicated. All 3/4 HP motors: operate at 208 volts - single phase - 60 cycles, unless otherwise indicated. 1 HP and over: operate at 480 volts, 3 phase 60 hertz, unless otherwise indicated. All electric motors: furnished with their related equipment.
wiring a 3 phase motor 230 460v

3 phase motor wiring 480