Type 1

SAE J1772 Type 1

SAE J1772:2017 · IEC 61851-1

0 VEHICLES

0 CHARGERS

ADOPTION 22%

2 REGIONS

SAE J1772:2017

Type 1

Regional Coverage

Region	Status	Since	Note
NA	present	2010	Legacy infrastructure; new installs go NACS
JP	present	—	Present alongside Nissan Leaf generations
EU	absent	—	Type 2 mandated

Electrical Parameters

AC max power: 19.2 kW
Max voltage: 240 V
AC phases: 1-phase
Charging type: AC

Protocol Stack

PHYSICAL SAE J1772 5-pin 5-pin circular; L1/L2, PE, pilot, neutral

SIGNALING IEC 61851-1 CP Control Pilot PWM signaling

Timeline

2001 SAE J1772 Level 1/2 AC charging concept established

2010 Nissan Leaf and Chevy Volt bring J1772 to mass market

2017 SAE J1772 updated to 80A / 19.2 kW capacity

2023 NACS rise triggers J1772 legacy transition across NA

Representative Vehicles

illustrative · peak kW per OEM specification

Nissan LEAF (2018 gen)

50 kW 400V

Chevy Bolt EV

55 kW 400V

Ford Mustang Mach-E (AC)

150 kW 400V

Why this standard matters

Type 1 (J1772) was the dominant AC charging standard in North America and Japan for decades. Its single-phase-only architecture and the rise of NACS are driving its transition to legacy status. Many NA charging stations still offer J1772, but new deployments favor NACS.

API Access

GET /v1/connectors/type1 · connector detail, specs, regional status

GET /v1/compatibility?connector=type1 · vehicle × charger edges

View full API docs →

Provenance

standard SAE J1772:2017

standard IEC 61851-1:2017

dataset Open EV Dataset NA