GB/T DC

GB/T 20234.3 (DC)

GB/T 20234.3-2015 · GB/T 27930

0 VEHICLES

0 CHARGERS

ADOPTION 68%

1 REGIONS

GB/T 20234.3-2015

GB/T DC

Regional Coverage

Region	Status	Since	Note
CN	mandatory	2015	Mandatory on all public DC chargers
EU	absent	—	CCS2 applies
NA	absent	—	NACS/CCS1 applies

Electrical Parameters

DC max power: 237.5 kW
Max voltage: 750 V
Max DC current: 250 A
Charging type: DC Fast

Protocol Stack

PHYSICAL GB/T 20234.3-2015 Rectangular housing, robust 2-pin layout

COMMUNICATION GB/T 27930 CAN bus-based communication protocol

Timeline

2011 GB/T 20234 first version published

2015 GB/T 20234.3 mandated as China public DC charging standard

2021 Updated GB/T revision published; BYD, SAIC scale massively

Representative Vehicles

illustrative · peak kW per OEM specification

BYD Seal

150 kW 800V

BYD Han EV

120 kW 400V

SAIC MG4

135 kW 400V

NIO ET5

180 kW 400V

Why this standard matters

GB/T 20234.3 is China's mandatory DC fast-charging standard, required on all public DC chargers in the country. As the majority of global EV production occurs in China, this standard hosts more charging infrastructure units globally than any other single standard.

API Access

GET /v1/connectors/gbt-dc · connector detail, specs, regional status

GET /v1/compatibility?connector=gbt-dc · vehicle × charger edges

View full API docs →

Provenance

standard GB/T 20234.3-2015

standard GB/T 27930-2015

regulation MIIT China EV Standards