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I think you mean a d.c. power supply, not a transformer which is an a.c. device. The rule is that the power supply's voltage must match that of the load, but its current rating must exceed that of the load. So it is perfectly fine for a 12-V 2.5 A power supply to be used with a 12-V, 1000-mA load (it is the load that determines the current drawn from the power supply).
What else can I help you with?
How do you get a 380 volt 3 phase motor to run on a 220 volt 3 phase power source?
Use a transformer.
What transformer do you need if you have primary voltage of 600 3 phase and require 240 volt 1 phase?
A single phase 600 to 240 Volt transformer using two phases of the three phase primary.
Transformer 208 volt primary and 480 volt secondary three phase 75 kva what size fuses on primar and secondary?
200 and 100
How connect a transformer 380 volt 3 pH to 220 volt mono pH?
any one of the three line to neutral is 220 volts
What are transformers rated?
A transformer's capacity is rated in volt amperes(V.A). This is the product of the secondary winding's current rating and voltage rating.
Can you use a 6 volt 2500mA power out put for a 6 volt 2000mA original power cord?
Yes, you can use a 6V 2500mA power output for a device that requires a 6V 2000mA power cord. The device will only draw the current it needs, so the higher amperage rating will not harm the device. It is important to match the voltage, but having a higher amperage rating is safe.
Will 13.8 volt output transformer work for 13.5 volt transformer?
yes
Will 120 volt equipment work on a 110 volt transformer?
Yes.
Will 12 volt transformer work on 3 volt device?
No, it will destroy the 3 volt device.
Can you sub a 240 volt 1.5 amp transformer in place of a 240 volt 3 amp transformer?
If the load you are connecting to the transformer uses 1.5 amps or less, yes.
How do you convert 12 volt to 24 volt?
Use a voltage devider or a transformer.
Why we used ac volt in supply line instead of dc volt?
AC voltage is more sufficient than DC voltage. Moreover, an AC transformer can be developed but DC voltage will make it harder. Without a transformer, we cannot turn the high and low voltaged into each-other.
How do you calculate the current in a transformer?
By the volt metre.
What is the recommended voltage requirement for a thermostat that is compatible with a 24 volt transformer?
The recommended voltage requirement for a thermostat compatible with a 24 volt transformer is 24 volts.
What color should a H2 Conductor on 480 volt transformer should be marked?
The conductor for H2 connection on a 480 volt wire transformer should be marked:
A transformer has a primary volt of 240v and a secondary volt of 48v what is the turn ratio?
3
How do you make a 110 volt device 220 volt compatible?
You have to buy a transformer or converter from 220v to 110v.
