// Power Connectors

GB/T 20234 Chinese EV Standard

GB/T 20234 is the Chinese national EV charging standard with separate connectors for AC (GB/T 20234.2) and DC (GB/T 20234.3) charging. Mandatory in China and used by BYD, NIO, Xpeng, and all Chinese EVs.

// Specifications

Standard

GB/T 20234.2 AC and GB/T 20234.3 DC

AC Version

Single phase up to 32A or 3-phase 63A

DC Version

Up to 250kW DC fast charge

Region

China mandatory standard

Use Case

All Chinese market EVs, charging stations in China

Compatibility

Not compatible with CCS or CHAdeMO without adapter

// Pin Reference Table

Pin	Name	Function	Type
L1	AC Phase 1 / DC+	AC phase 1 or DC positive	PWR
L2	AC Phase 2 / DC-	AC phase 2 or DC negative	PWR
N	Neutral	AC neutral	PWR
PE	Earth	Protective earth	GND
CC	CC	Charge control pilot	BUS
CP	CP	Control pilot	BUS