Control switch, complete device, 4-pole

Certificates

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

Ex protection type

 II 2G Ex ed IIC T6
 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

Description

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.