A 3 phase 4 pin plug is a type of plug that is used to supply three phase electrical power to equipment. The plug has four pins and is commonly used in industrial and commercial settings. This article will explain the wiring diagram for a 3 phase 4 pin plug.
What is a 3 Phase 4 Pin Plug?
A 3 phase 4 pin plug is a type of electric plug that is used to provide three phase power to equipment. This type of plug is commonly used in industrial and commercial settings where high power equipment is used. The plug has four pins that are arranged in a specific pattern.
Wiring Diagram for a 3 Phase 4 Pin Plug
The wiring diagram for a 3 phase 4 pin plug is as follows:
| Pin No. | Wire Colour | Function |
|---|---|---|
| 1 | Brown | Phase 1 |
| 2 | Black | Phase 2 |
| 3 | Grey | Phase 3 |
| 4 | Blue | Neutral |
The wiring diagram shows that the brown wire is connected to pin 1, which is the phase 1 pin. The black wire is connected to pin 2, which is the phase 2 pin. The grey wire is connected to pin 3, which is the phase 3 pin. The blue wire is connected to pin 4, which is the neutral pin.
FAQs
What is a 3 phase supply?
A 3 phase supply is a type of electrical power that consists of three alternating currents. This type of power is commonly used in industrial and commercial settings where high power equipment is used.
What is the difference between a 3 phase and a single phase supply?
A single phase supply consists of one alternating current, while a 3 phase supply consists of three alternating currents. A 3 phase supply is capable of providing more power than a single phase supply.
What is the purpose of a neutral wire?
A neutral wire is used to carry the return current from an electrical circuit. It is connected to the earth so that any excess current can be safely discharged.
Can a 3 phase 4 pin plug be used for a single phase supply?
No, a 3 phase 4 pin plug is designed for use with a 3 phase supply only. It cannot be used for a single phase supply.
What is the maximum current rating for a 3 phase 4 pin plug?
The maximum current rating for a 3 phase 4 pin plug depends on the specific plug and its construction. It is important to check the specifications of the plug before use.
