480 single phase motor
[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.
[DOC File]SECTION 16221
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Feb 12, 2009 · Single Phase Motor Less Than 1 hp - Manually Operated: Type A or Type A1. b. Single Phase Motors Less Than 1 hp - Automatically Operated: Type B. Exception: Type A or Type A1 may be used for motors less than 1/2 hp when the automatic auxiliary controlling device (thermostat, pressure switch, etc.) is rated for the voltage and current ...
[DOC File]Home | US Forest Service
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Jun 17, 2002 · 277/480, 3 phase, 4W- This voltage is usually used on large systems to reduce incoming service size, wire size and distribution equipment size. Fluorescent and other discharge lighting can be used at 277 volts. 480 volt single phase, 480V three phase, and 277 volt single phase loads can be used on this system.
[DOCX File]Section 23 05 12 - GENERAL MOTOR REQUIREMENTS FOR …
https://info.5y1.org/480-single-phase-motor_1_7fe41f.html
The motor shall be speed controllable down to 20 percent of full speed and shall be at least 85 percent efficient at all speeds.// Poly-phase Motors: NEMA Design B, Squirrel cage, induction type. Two Speed Motors: Each two-speed motor shall have two separate windings.
[DOC File]Off-Line Electric Motor Testing Guidelines
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Motor testing can be conducted at the controller cabinet or at the motor junction box. If the tests are preformed at the controller cabinet, any abnormal readings should be confirmed at the motor to eliminate false readings due to faulty cabling between the controller and the motor. ... line-to-ground voltage for single-phase machines, and ...
[DOC File]AFD VFD medium-voltage SC9000 specification guide [16349B ...
https://info.5y1.org/480-single-phase-motor_1_adc6a6.html
Auxiliary power 480V, 3-phase, 50/60 Hz shall be provided internal to the integrated Drive. External auxiliary supply voltage sources will not be acceptable. The drive will be suitable for the motor(s) rated 2300/3300/4160V, 3-phase, 60 Hz, XXX hp.
[DOC File]Chapter 1: DESIGN PROCESS
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(a) 120-V, single-phase, 2-wire (b) 120/240-V, single-phase, 3-wire (c) 120/208-V, single-phase, 3-wire (d) 120/208-V, 3-phase, 4-wire (e) 277/480-V, 3-phase, 4-wire (f) 2400/4160-V, 3-phase, 4-wire. 28.4 Grounding and Ground-Fault Protection. 28.5 Energy Conservation Considerations. 28.6 Design Procedure 28.7 Electrical Equipment Spaces (a ...
[DOC File]Functional Specification for 15 kV, 25 kV, or 35 kV ...
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Motor Operators with iTAP-260/iDP-210/iLD-480 Idea Control. ... Internal 1.5 kVA rated single-phase potential transformer shall be provided that shall be connected as indicated on the one line drawing. Protection against potential transformer failure by an liquid insulated primary current-limiting fuse shall be provided. The transformer primary ...
[DOCX File]Section 23 05 12 - GENERAL MOTOR REQUIREMENTS FOR …
https://info.5y1.org/480-single-phase-motor_1_bc5411.html
Single phase: Motors connected to 120-volt systems: 115 volts. Motors connected to 208-volt systems: 200 volts. Motors connected to 240-volt or 480-volt systems: 230/460 volts, dual connection. Three phase: Motors connected to 208-volt systems: 200 volts.
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