Question about Miller SYNCROWAVE 250 DX TIG RUNNER WELDER 951117

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Can you please tell me what the input power is for a Miller 250Dx in Australia? I know it has to be three phase but I need to know how many volts and Amps.

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Your machine can be plug at different voltages from 220 to 575 V. All you need to do is change the position of the jumper links that are located on the back of the machine near the lead cable connector.

Posted on Sep 27, 2011

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Miller deltaweld 652. Turn main switch on and you here a humming sound and the main contactor does not pull in??


Sounds like low voltage to the contactor. Reasons could be wrong input jumper settings for input power. Weak input three phase power. Bad control transformer (supplies power to contactor coil through the power switch). Just need to "dig" with a voltmeter.

Jul 09, 2015 | Miller Welding Tools

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Where can i obtain a wiring diagram


A one phase 3 wire system has a center tap. Two hots and a neutral. Typical 120/240 volts.
A three phase 4 wire system has Three hots in a Y or Delta. The Y system has three hots and the neutral comes from the center of the Y, this is the neutral and grounded conductor, 120 volts from hot to ground and 208 volts hot to hot. In a 3 phase system the voltage is not doubled hot to hot as in a single phase system because the hots are 120 degrees phased from each other and the square root of 3 is the factor, multiply the 120 volts by 1.73 to get 208 volts hot to hot. Multiply 208 by the reciprocal of 1.73 and get 120 volts. Your exact application is not given so it is not known. A delta system is a triangle and the angle of each triangle is a hot wire, one angle would be grounded or the center tap of one of the sides of the triangle. Y is the configuration of the windings of the alternator or transformer and Delta is the configuration as a triangle of the windings of the alternator or transformer where the power supply is.

With a three phase home service, you can only connect two hots from your single phase generator, and the neutral. One of the house's hot does not get connected and any three phase loads in the house should be switched off and kept from energyzing or a circuit breaker or fuse serving that 3 phase load may trip.
Only one power supply can be connected at a time. The power company power must not be connected at all while using an alternate power supply unless your power supply has means to synchronize the alternating cycle.

It is adviced that the loads be kept within 10% of their rated voltage, especially motors.

May 04, 2015 | Heating & Cooling

1 Answer

PLEASE, I HAVE A WHIRLPOOL DRYER DWSR-ELE-2406026-CV54, THE QUESTION IS HOW MANY PHASE HAVE FOR POWER SUPPLY?


It requires two hot wires measuring 240 volts across them and 120 volts from either of them to the neutral connection. Some people refer to the two 'hots' as 'two-phase' and some refer to it as 'single-phase'. At any rate, you do NOT have three phase requirements with that dryer.

Most of the dryers have a 120volt motor which is why you need two hots and a neutral. To complicate matters, recent changes to the code now require 4 wires on newly constructed structures. Two hots, a neutral AND a bare ground wire.

Mar 05, 2015 | Whirlpool Dryers

1 Answer

Voltage and breaker sizerequired


Can you please tell me

I am workshop Officer I brought my 250dx from USA Miller tig welding 250 Dx Solve problems Exit Fine of plant in the Pl detail gauid

Mar 27, 2014 | Miller SYNCROWAVE 250 DX TIG RUNNER WELDER...

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1993 KD15 series miller delta weld 300 can it be hooked up to 220 single phase


Theoretically yes, but it would be a great deal of work and would draw a little over 6 times the current it did when on three phase power.

It would entail replacing the fan motors, connecting the 6 windings of the 3 phase primary in phase and in parallel. Plus adding a 115 circuit " tapping off half of the 220 single phase" incoming power for some aspects.

The control board would also need modifications as well. because it uses 3 current sense transformers and you would need to rework that circuit to compensate.

The short answer if you were wanting to set one up for home use- just invest in a "Sidekick" They did have a 240 volt single phase version, and if you consider the time invested to change something over that could trip the 200 amp service breaker, if you value your time- the money for a Sidekick would be well worth it.

If you want proof- open up the primary side of the Deltaweld and look at all of those connections you have before you- you would not be using 1/3 of them, and you would need to take the time to make sure the 6 windings were in phase otherise the transformer burns out- it may burn out anyway because the current draw increase beacause all the low impedance windings are now in parallel on a nominally lower voltage- just the potential of fire from that arrangement makes the money spent for a Sidekick to be considered "cheap insurance."

Mar 29, 2012 | Miller Welding Tools

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How to make a miller master 175 from 480v to 208v or a regular house outlet.


You can't convert a 3 phase transformer to single
phase 240 volt

208 volt is strickly 3 phase

May 23, 2011 | Miller Welding Tools

1 Answer

Need power input wiring diagram for 230V use


you can get the manual here:
http://www.millerwelds.com/service/locate_om.php

Jul 23, 2010 | Miller Electric Manufacturing Electric...

1 Answer

I have a miller cp 300. It is wired for 3 phase power. I need to hook it up to 230 volt power. How do I do this correctly.


You cannot do this... 3 phase and single phase cannot be inter used... see 3 phase is 440 V AC, single phase is 230 Vots AC. This is unless the unit has Dual capability, in this case the wiring could only be wired to a Single Phase. of the unit. You will need a slow blow breaker of the correct rating and also the cable must be similarly CURRENT rated. If it IS only 3 phase, you can purchase after market single phase to 3 phase converters, that will allow you to plug the 3 phase into a single phase circuit and work, they quite costly though.

Mar 22, 2010 | Welding Tools

1 Answer

Miller welder serial number KF957066. Please tell me about this machine is it a generator type or three phase? It is in an auction and was wondering about it. Never saw one in my life although I have been...


Miller welders are great. I've been around them a long time as an electrician in the mines years ago. They make a 3 phase model and a motor gen type too. They are both good welders in my opinion.

Aug 19, 2009 | Welding Tools

2 Answers

Voltage 1phase or 3 phase 240 volts BTUs M# 585epo36o75


Looking at the model number, it appears to be a 3 ton. (36,000 btu) Most all residential units are single phase and most all commercial are 3 phase. One way to tell, look to see if the compressor has a capacitor. 3 phase never use capacitors on the compressors as they are not needed. Some residential units have a "Dual" capacitor. That is, it has 3 terminals, 1 common, 1 for condenser fan motor, and 1 for the compressor. Also, this info should be printed on the unit's lable.
Good Luck and hope this helps.

May 09, 2009 | Amana Comfort Zone 12M32PBEH Air...

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