# Quick Answer: How Do You Calculate The Cable Size Of An HP Motor?

## How many watts can a 2.5 mm cable take?

Choosing the correct size cableConductor SizeCurrentMaximum power (Watts)1.25 mm213 ampsUp to 3120 Watts1.5 mm215 ampsUp to 3600 Watts2.5 mm220 ampsUp to 4800 Watts4.0 mm225 ampsUp to 6000 Watts1 more row.

## What size cable do I need for 32 amps?

For 32 amps you would require 6mm twin and earth cable.

## How many HP is 15 amps?

At 100% efficiency, the most a 15-amp, 120v outlet in a home circuit can supply is 15 x 120 or 1800w; 1800 divided by 746 equals 2.41 hp.

## How many amps is a 50 hp motor?

AC Motor Full Load AmperesHP200 Volts208 Volts4012011450150143601771697522121123 more rows

## How do you determine transformer cable size?

Transformer full load current is calculated by:Ifull-load = 12.5 × 106 / 1.73 × 20 × 103 = 361 A.Therefore subsequent current rating of cable to be 361 / 0.97 × 0.84 = 443 A.Isc = K × A / √t.Isc = 240 × 143 / √1 = 34.4 kA.Vd = Ifl × XL × sinφ + Ifl × R × cosφ volts.If = (1000 × 0.15) / (1 + 0.15) = 131 A.More items…•

## How many amps can a 2.5 mm cable take?

23-25 ampsA 2.5mm cable is capable of supplying around 23-25 amps depending on the method of installation, so is fine, safe and compliant on a 20amp circuit breaker.

## What size wire do I need for a 30 hp motor?

Electrical motor wiring data – NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hpMotor HPNEMA ampsGND (AWG)304010405210506586077821 more rows

## What size breaker do I need for a 15 hp motor?

Full Load Current: Three Phase AC MotorsMotor HorsepowerSize Breaker10230V 460V50 3015230V 460V70 4020230V 460V100 5025230V 460V100 506 more rows•Feb 16, 2017

## How many amps does a 5 hp compressor draw?

16.2 amps5 HP is right about 3725 watts which is about 16.2 amps.

## What size wire do I need for a 1 hp motor?

Single Phase (115 Volt) – Wire Size Selection Guide*HPCable Length3/414811461 1/21264 more rows

## How do you determine wire size?

These methods only require minimal equipment and are effective for virtually all cables.Look at the insulation on the cable. Search for text written on the insulation. … Cut the wire with your wire cutters. … Measure the diameter of the cross-section in inches. … Divide the diameter of the wire by .