Tesla Wall Connector (Gen 3) vs Siemens VersiCharge AC Series 40A

Power, connector, cable, smart features, and price — side by side.

Tesla Wall Connector (Gen 3)

$475

vs

Siemens VersiCharge AC Series 40A

$489

The verdict at a glance

  • Tesla Wall Connector (Gen 3) charges faster — up to 11.5 kW.
  • Tesla Wall Connector (Gen 3) costs less, starting at $475.
  • Tesla Wall Connector (Gen 3) has the richer smart-feature set (WiFi, app, scheduling, etc.).
  • Tesla Wall Connector (Gen 3) has a longer cable (24 ft) — more reach for tight or unusual parking.

Full spec comparison

Spec
Tesla Wall Connector (Gen 3)
Siemens VersiCharge AC Series 40A
Max power
11.5 kW
9.6 kW
Amperage
48A
40A
Voltage
240V
240V
Connector
NACS
J1772
Cable length
24 ft
20 ft
Installation
Hardwired
Both
Outdoor rating
NEMA 3R
NEMA 4
OCPP support
No
No
Smart features
4
2
Starting price
$475
$489

Pros and cons

Tesla Wall Connector (Gen 3)

  • + Sleek design
  • + Native Tesla integration
  • + Power-sharing across multiple units
  • + Premium build quality
  • – Hardwired only
  • – NACS connector requires adapter for non-Tesla EVs

Siemens VersiCharge AC Series 40A

  • + Reliable Siemens build
  • + Affordable
  • + NEMA 4 outdoor rated
  • + Simple and predictable
  • – No WiFi or smart features beyond delay timer
  • – No app

Common questions

Which is faster, the Wall Connector (Gen 3) or the VersiCharge AC Series 40A?

Tesla Wall Connector (Gen 3) peaks at 11.5 kW on a 240V circuit, versus 9.6 kW for the other.

Which is cheaper?

Tesla Wall Connector (Gen 3) has the lower street price at $475.

Does either support OCPP?

Neither supports OCPP. If you need commercial-network compatibility, look elsewhere.