For AC power heater has fixed inbuilt electrodes (1-230 V, 2- 400 V).
Units with 2-400 V require 2P + N+PE.
Per your request 2P +PE without N possible.
3-phase current heaters are supplied with separate sensor-head and separate electronic control housing.
1 CEE plug and 2CEE kludges (16-6h) are inclusive our supply.
Attention ! Automatic Control Systems are available for all tab heaters !