Ex RC M20

Features/Options

  • Ex zone 1 and 21
  • Brass enclosure, nickeled, available in stainless steel
  • Including 2 mounting nuts
  • 1 Reed contact
  • 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 with Lapptherm 145 cable available on request
  • Special version only for gas Ex zone 2 and dust Ex zone 22 available
  • N.B.: 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

StandardsEN 60947-5-1; EN 60079-0;
EN 60079-18
Enclosurebrass, nickeled
Actuatorseries M permanent magnet
Degree of protectionIP 67 to IEC/EN 60529
Contact materialRhodium
Switching systemreed contacts
Switching elementsNO contact or change-over contact, bistable contact or bistable change-over contact
Connectioncable H05VV-F or Lapptherm 145
Cable cross-section1S, 1Sr: 3 x 0.75 mm²
1W, 1Wr: 4 x 0.75 mm²
Cable length2, 5 or 10 m
Switching voltage250 VAC
Switching current1.5 A
Short-circuit current Ik1S, 1Sr: max. 5 A,
1W, 1Wr: max. 2 A
Switching capacity1W, 1Wr: max. 50 W,
1S, 1Sr: max. 100 W
Utilisation categoryAC-12; DC-12
Bounce duration0,3 … 0,6 ms
Ambient temperatureH05VV-F: –20 °C … +70 °C,
on request: –40 °C … +70 °C
Mechanical life> 1 million operations
Electrical life106 … 109 operations
Vibration resistance1S: 50 … 100 g, 1Ö, 1W: 10 … 50 g
Impact energymax. 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
ApprovalsDMT 01 ATEX E 058 X
IECEx BVS 07.0007 X

on request
on request
Ordering details
Type code

Actuation from front

1 NO contact

Type   Material no.
Ex RC M20 1S - 2m 1180793
Ex RC M20 1S - 5m 1181347
Ex RC M20 1S - 10m on request Produced to order.

Actuation from front

1 bistable contact

Type   Material no.
Ex RC M20 1Sr - 2m 1181657
Ex RC M20 1Sr - 5m 1179484
Ex RC M20 1Sr - 10m on request Produced to order.

Actuation from front

1 change-over contact

Type   Material no.
Ex RC M20 1W - 2m 1179176
Ex RC M20 1W - 5m 1179277
Ex RC M20 1W - 10m 1178920
Ex RC M20 1W - 2m - Niro 1189014
Ex RC M20 1W - 5m - Niro 1178197
Ex RC M20 1W - 10m - Niro 1315810

Actuation from front

1 bistable change-over contact

Type   Material no.
Ex RC M20 1Wr - 2m 1179419
Ex RC M20 1Wr - 5m 1179421
Ex RC M20 1Wr - 10m on request Produced to order.
Ex RC M20 1Wr - 5m - Niro 1332426
Actuators
Type   Material no.
M 20 U 1033963
Type   Material no.
M 50 NU 1033965
Type   Material no.
M 100 NU 1033966
Type   Material no.
M 200 NU 1033967
Type   Material no.
M 200 UB 1033975
Type   Material no.
M 300 NU 1033968
Type   Material no.
M 400 NU 1033970
Type   Material no.
M 400 UB 1033982
Type   Material no.
M 100 N 1042609
Type   Material no.
M 200 N 1042610
Type   Material no.
M 300 N 1042617
Type   Material no.
M 500 1042611
Type   Material no.
M 700 N 1042612
Type   Material no.
M 100 S 1042615
Type   Material no.
M 200 S 1042616
Type   Material no.
M 300 S 1042618
Type   Material no.
Neodymium magnet M 30 Niro 1189024
Type   Material no.
Neodymium disc magnet 15 x 4 mm
1452248
Type   Material no.
Neodymium disc magnet 23 x 4 mm
1452242
Options

Tapped bushing B

Type   Material no.
Ex RC M20-B on request Produced to order.