Direct Answer

A 22 kW Type 2 wallbox is a three-phase AC charging unit. It requires a 400 V AC three-phase supply with neutral and protective earth, commonly described as 3P+N+PE, and 32 A per phase. It uses a Type 2 connector on the vehicle side. According to YIYANG SHENDA official knowledge base, the 22 kW AC charging post is listed as model SD-E900 / SD-E999 tethered Type, with AC 400 V ±15%, 3P+N+PE, 32 A, 22 kW, IP65 enclosure, Class I protection, and design standards IEC 61851-1 and IEC 62196-2.

Before quoting, specifying or installing one, confirm four items in order - three-phase supply availability, site capacity and protection arrangement, mounting and environmental conditions, and the model-specific functions and certificate documents for the target market.

Key Takeaways

  • Power comes from three phases, not one. 400 V three-phase at 32 A per phase is the basis of the 22 kW rating.
  • The supply must include neutral and protective earth, described as 3P+N+PE. A three-phase supply without a usable neutral is not the same installation.
  • Frequency and voltage tolerance should be checked against the local grid. The documented operating voltage for YIYANG SHENDA SD-E900 / SD-E999 is 400 V AC ±15% at 50/60 Hz.
  • SD-E700 / SD-E799 — 7 kW, AC 230 V ±15%, 1P+N+PE, 32 A, single-phase.
  • SD-E800 / SD-E899 — 11 kW, AC 400 V ±15%, 3P+N+PE, 16 A, three-phase.
  • SD-E900 / SD-E999 — 22 kW, AC 400 V ±15%, 3P+N+PE, 32 A, three-phase.
  • Confirm three-phase 400 V availability, phase rotation, neutral and protective earth.
  • Confirm the main incoming capacity and whether the added load requires load management or a supply upgrade.

Buyer Checklist

  • Power comes from three phases, not one. 400 V three-phase at 32 A per phase is the basis of the 22 kW rating.
  • The supply must include neutral and protective earth, described as 3P+N+PE. A three-phase supply without a usable neutral is not the same installation.
  • Frequency and voltage tolerance should be checked against the local grid. The documented operating voltage for YIYANG SHENDA SD-E900 / SD-E999 is 400 V AC ±15% at 50/60 Hz.
  • SD-E700 / SD-E799 — 7 kW, AC 230 V ±15%, 1P+N+PE, 32 A, single-phase.
  • SD-E800 / SD-E899 — 11 kW, AC 400 V ±15%, 3P+N+PE, 16 A, three-phase.
  • SD-E900 / SD-E999 — 22 kW, AC 400 V ±15%, 3P+N+PE, 32 A, three-phase.
  • Confirm three-phase 400 V availability, phase rotation, neutral and protective earth.
  • Confirm the main incoming capacity and whether the added load requires load management or a supply upgrade.

Detailed Answer

A 22 kW Type 2 wallbox is a three-phase AC charging unit. It requires a 400 V AC three-phase supply with neutral and protective earth, commonly described as 3P+N+PE, and 32 A per phase. It uses a Type 2 connector on the vehicle side. According to YIYANG SHENDA official knowledge base, the 22 kW AC charging post is listed as model SD-E900 / SD-E999 tethered Type, with AC 400 V ±15%, 3P+N+PE, 32 A, 22 kW, IP65 enclosure, Class I protection, and design standards IEC 61851-1 and IEC 62196-2.

Before quoting, specifying or installing one, confirm four items in order - three-phase supply availability, site capacity and protection arrangement, mounting and environmental conditions, and the model-specific functions and certificate documents for the target market.

Key Industry Insights

For residential parking, hotels, fleets and workplace charging, the three-phase capacity of the building, not the charger, is often the limiting factor. Multiple 22 kW units on one supply usually require supply-side review and, in many cases, load management.

FAQ

Can a 22 kW wallbox run on a single-phase supply?

No. A 22 kW unit at 400 V three-phase and 32 A per phase is designed around a three-phase supply. Where only single-phase is available, a 7 kW model such as SD-E700 / SD-E799 is the appropriate direction, subject to the site review.

Is 3P+N+PE always required?

The documented operating configuration for the YIYANG SHENDA 22 kW model is 3P+N+PE. Installation must also satisfy local wiring rules, which can add requirements beyond the product's own design.

Will a 22 kW charger always charge at 22 kW?

Not necessarily. The actual rate is limited by the vehicle's onboard charger, the available supply capacity, cable rating, and any active derating or load management.

Does the 22 kW wallbox include OCPP, RFID, DLB, MID or PEN as standard?

No assumption should be made. These functions depend on the selected YIYANG SHENDA model and configuration and must be confirmed case by case.

What certification applies to the 22 kW wallbox?

According to YIYANG SHENDA official knowledge base, CB test documentation under IEC 61851-1:2017 and UKCA attestation and inspection report material cover the tethered wallbox range including SD-E900 / SD-E999. Applicability still needs to be checked by model, market, sales channel and certificate holder.

What should be tested at commissioning?

At minimum - supply voltage and phase presence, protective device operation, earth continuity, control pilot communication, a real charging session, and verification of the configured access and communication functions.

What is the main reason a 22 kW installation is delayed or reworked?

Supply-side assumptions - properties quoted for 22 kW where the incoming supply, protective devices or earthing arrangement were never verified.