IEC 62196 is an international standard series that defines the plugs, socket-outlets, vehicle connectors, and vehicle inlets used for conductive EV charging. It specifies mechanical and electrical requirements, dimensional compatibility, and testing so that charging connectors are safe, interoperable, and consistent across manufacturers and installations.
What IEC 62196 Covers
IEC 62196 applies to EV charging “accessories” and cable assemblies used in conductive charging systems with control functions, within defined voltage and current limits.
– EV plugs (cable-side plug)
– EV socket-outlets (charger-side socket)
– Vehicle connectors (cable-side connector that mates to the car)
– Vehicle inlets (car-side inlet)
– Cable assemblies (Mode 3 cables, tethered or detachable)
Why IEC 62196 Matters in EV Charging
IEC 62196 is a cornerstone of connector interoperability and safety in EV infrastructure. It helps ensure:
– Consistent connector fit and compatibility across brands and sites
– Reliable current-carrying performance and temperature behavior under load
– Robust mechanical design for repeated mating cycles in public environments
– Standardized interfaces that support scalable AC and DC deployments
Key Parts of the IEC 62196 Standard Series
IEC 62196 is a multi-part series covering general requirements and connector dimensions for AC and DC systems:
– IEC 62196-1: General requirements and tests for EV charging accessories
– IEC 62196-2: Dimensional compatibility requirements for AC pin and contact-tube accessories (includes Type 1, Type 2, and historically Type 3)
– IEC 62196-3: Dimensional compatibility requirements for DC and AC/DC vehicle couplers (includes CCS Combo formats)
IEC 62196 Connector “Types” in Practice
IEC 62196 is often discussed using common connector families:
Type 2 (IEC 62196-2)
Type 2 is the most common AC charging connector standard in Europe, used for public AC chargers and wallboxes (socket or tethered cable).
– Supports single-phase and three-phase AC charging
– Uses CP and PP signaling pins for control and cable/current coding (with IEC 61851 control pilot logic)
CCS Combo 2 (IEC 62196-3)
CCS Combo 2 is a combined connector used for DC fast charging (and can also support AC depending on implementation). It is based on the Type 2 form factor with additional DC power contacts.
– Designed for high-power DC charging
– Widely used across European highway and public fast-charging networks
IEC 62196 vs IEC 61851 and ISO 15118
IEC 62196 defines the physical interface (connectors and inlets). Other standards cover how charging is controlled and communicated:
– IEC 61851: Charging system operation and control signaling (e.g., control pilot)
– ISO 15118: High-level vehicle-to-charger communication (e.g., Plug & Charge)
– OCPP: Charger-to-backend communication for monitoring, control, and billing
What It Means for EV Charger Deployment
For installers and site owners, IEC 62196 alignment affects:
– Connector choice (e.g., Type 2 for AC destinations, CCS for DC corridors)
– Cable compatibility (detachable Mode 3 cables vs tethered solutions)
– Maintenance and durability expectations in public environments
– Interoperability across vehicle brands and roaming users
Related Glossary Terms
IEC 61851
Type 2 Connector
CCS (Combined Charging System)
Mode 3 Charging
Control Pilot (CP)
Proximity Pilot (PP)
ISO 15118
Plug & Charge
OCPP
DC Fast Charging