Ex RC M20

  • Ex zone 1 and 21
  • Brass enclosure, nickeled, available in stainless steel
  • Actuation from front, actuation from side only with bistable contact
  • Switching distance up to 30 mm depending on the actuating magnet
  • With pre-wired cable
  • Cold-resistant version down to -40 °C available on request
  • Special version only for gas Ex zone 2 and dust Ex zone 22 available
  • Maritime certification to DNV GL available on request
  • Attention: Please state required international approvals with your order!
Notes
  • 2 mounting nuts are included in delivery
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN 60947-5-2, EN 60079-0, EN 60079-18
Enclosure brass, nickeled or stainless steel
Degree of protection IP 67 to IEC/EN 60529
Actuating magnet series M permanent magnet
Switching system reed contacts
Switching elements NO contact or change-over contact, bistable contact or bistable change-over contact
Connection pre-wired cable H05VV-F
Cable cross-section 1S, 1Sr: 3 x 0.75 mm²
1W, 1Wr: 4 x 0.75 mm²
Cable length 2, 5 or 10 m
Short-circuit current Ik 1S, 1Sr: max. 5 A,
1W, 1Wr: max. 2 A
Ambient temperature H05VV-F: –20 °C … +70 °C,
on request: –40 °C … +70 °C
Mechanical life > 1 million operations
Impact energy max. 7 J
Ex marking II 2G Ex mb IIC T6 Gb,
II 2D Ex mb IIIC T80 °C Db
IECEx Ex mb IIC T6 Gb
Ex mb IIIC T80 °C Db
Approvals DMT 01 ATEX E 058 X
IECEx BVS 07.0007 X
on request
on request

Ordering details

1 NO contact

Type   Material no.  
Type    Material no.   
Ex RC M20 1S - 2m 1180793
Type    Material no.   
Ex RC M20 1S - 5m 1181347
Type    Material no.   
Ex RC M20 1S - 5m Niro -40°C GL 1182740
Type    Material no.   
Ex RC M20 1S - 10m 1491507
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

1 bistable contact

Type   Material no.  
Type    Material no.   
Ex RC M20 1Sr - 2m 1181657
Type    Material no.   
Ex RC M20 1Sr - 5m 1179484
Type    Material no.   
Ex RC M20 1Sr - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

1 change-over contact

Type   Material no.  
Type    Material no.   
Ex RC M20 1W - 2m 1179176
Type    Material no.   
Ex RC M20 1W - 5m stock type Standard versions, in stock or available at short notice 1179277
Type    Material no.   
Ex RC M20 1W - 10m 1178920
Type    Material no.   
Ex RC M20 1W - 2m - Niro 1189014
Type    Material no.   
Ex RC M20 1W - 5m - Niro stock type Standard versions, in stock or available at short notice 1178197
Type    Material no.   
Ex RC M20 1W - 10m - Niro 1315810
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

1 bistable change-over contact

Type   Material no.  
Type    Material no.   
Ex RC M20 1Wr - 2m 1179419
Type    Material no.   
Ex RC M20 1Wr - 5m 1179421
Type    Material no.   
Ex RC M20 1Wr - 10m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex RC M20 1Wr - 5m - Niro 1332426
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

1 change-over contact | with mounting thread

Type   Material no.  
Type    Material no.   
Ex RC M20 1W-B - 5m - NIRO 1189539
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Type   Material no.  
Type    Material no.   
M 20 U stock type Standard versions, in stock or available at short notice 1033963
Type   Material no.  
Type    Material no.   
M 50 NU stock type Standard versions, in stock or available at short notice 1033965
Type   Material no.  
Type    Material no.   
M 100 NU stock type Standard versions, in stock or available at short notice 1033966
Type   Material no.  
Type    Material no.   
M 200 NU stock type Standard versions, in stock or available at short notice 1033967
Type   Material no.  
Type    Material no.   
M 200 UB stock type Standard versions, in stock or available at short notice 1033975
Type   Material no.  
Type    Material no.   
M 300 NU stock type Standard versions, in stock or available at short notice 1033968
Type   Material no.  
Type    Material no.   
M 400 NU stock type Standard versions, in stock or available at short notice 1033970
Type   Material no.  
Type    Material no.   
M 400 UB stock type Standard versions, in stock or available at short notice 1033982
Type   Material no.  
Type    Material no.   
M 100 N stock type Standard versions, in stock or available at short notice 1042609
Type   Material no.  
Type    Material no.   
M 200 N stock type Standard versions, in stock or available at short notice 1042610
Type   Material no.  
Type    Material no.   
M 300 N stock type Standard versions, in stock or available at short notice 1042617
Type   Material no.  
Type    Material no.   
M 500 stock type Standard versions, in stock or available at short notice 1042611
Type   Material no.  
Type    Material no.   
M 700 N stock type Standard versions, in stock or available at short notice 1042612
Type   Material no.  
Type    Material no.   
M 100 S stock type Standard versions, in stock or available at short notice 1042615
Type   Material no.  
Type    Material no.   
M 200 S stock type Standard versions, in stock or available at short notice 1042616
Type   Material no.  
Type    Material no.   
M 300 S stock type Standard versions, in stock or available at short notice 1042618
Type   Material no.  
Type    Material no.   
M 30 Niro stock type Standard versions, in stock or available at short notice 1189024
Type   Material no.  
Type    Material no.   
Disc magnet 15 x 4 mm stock type Standard versions, in stock or available at short notice 1452248
Type   Material no.  
Type    Material no.   
Disc magnet 23 x 4 mm stock type Standard versions, in stock or available at short notice 1452242