Control switch, complete device, 4-pole



  • For Zone 1 and 2, 21 and 22
  • Positive break operation
  • Latched and momentary-contact positions
  • Easy installation
  • Customer-specific solutions


German English PTB 00 ATEX 1068
English IECEx PTB 08.0022
English UL E184198 Canada
English DNV E-11912
English Chinese NEPSI GYJ111402
Russian GOST R POCC DE.ME92.B02730
Ukrainian No. 906
Portuguese NCC 14.02974

Ex protection type

Ex II 2G Ex ed IIC T6
Ex II 2D Ex tD A21 IP 66 T 80 °C
Class I, Zone 1 AEx e IIC, Ex ed II C
Class I, Div. 2, Groups A, B, C, D

Ambient temperature

-55 °C up to +60 °C
-20 °C up to +60 °C for zone 21 and 22


This control switch has been designed to solve the variety of problems encountered in chemical and petrochemical plants and on explosionproofed electrical machinery in zones 1 and 2 and in Zone 21 and 22. Four switch contacts as opening and closing elements in different permutations permit a variety of functions. The operner has a positive break operation. The switch actuator offers latched and momentary-contact positions with different switch positions.

The control switch is supplied in double or triple enclosures, or in combination with other command devices, in control units. The actuating element can be locked with up to max. 3 padlocks.

Technical data (extract)

(Click here for more information)
Protection classIP 66
DimensionsSee dimensions for complete device
Conductor terminals4 x 2.5 mm?
Contact materialAgSnO2
Voltagesee data sheet
Currentsee data sheet
ConnectionTerminals 2.5 mm?


Data Sheet - Control switch, complete device, 4-pole German English French Russian Spanish