Ex RC Si 56 - 3G/D

  • Ex zone 2 and 22
  • Thermoplastic enclosure
  • Long life
  • Reed contacts, coded
  • Actuation from front
  • Switching distance up to 6 mm
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN ISO 13849-1, EN 60947-5-3, EN ISO 14119, EN 60079-0, EN 60079-18
Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Defined object Ex MC 56, Ex MC 56-3
Sensor type type 4 interlocking device
Coding level low coding
Degree of protection IP 67 to IEC/EN 60529
Safety-relevant data:
EN ISO 13849-1 Performance Level PL e
Category 4
B10d (10 % load) 2 million
TM max. 20 years
MTTFd > 100 years
DC/DCavg > 99 %
Switching system reed contacts
Switching elements 1 NC/1 NO contact or 2 NC contacts
Connection Pre-wired cable 4 x AWG 24 UL
Cable cross-section 4 x 0.22 mm²
Switching voltage max. 30 VDC
Rated operating current/voltage Ie/Ue max. 125 mA, with LED: 20 mA / 24 VDC
Voltage drop at Ie 2.5 V, with LED: 3 V
Switching frequency max. 5 Hz
Switching distances sar > 23 mm
Repeatability ± 0.5 mm
Hysteresis min. 23 mm
Degree of pollution 3
Safety class II
Ambient temperature T6: –20 °C … +70 °C,
T5: –20 °C … +85 °C
Mechanical life > 1 million operations
Impact energy max. 7 J
Ex marking II 3G Ex mc IIC T6/T5 Gc X,
II 3D Ex mc IIIC T80°C/T95°C Dc
Notes The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203).

Ordering details

Reed contacts, coded, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex RC Si 56 1Ö/1S-3G/D - 5m 1182510
Type    Material no.   
Ex RC Si 56 1Ö/1S-3G/D - 10m 1182965

Reed contacts, coded, 1 NC/1 NO contact with LED lamp

Type   Material no.  
Type    Material no.   
Ex RC Si 56 1Ö/1S-LED-3G/D - 5m 1184827

Reed contacts, coded, 2 NC contacts

Type   Material no.  
Type    Material no.   
Ex RC Si 56 2Ö-3G/D - 5m 1183009
Type    Material no.   
Ex RC Si 56 2Ö-3G/D - 10m 1181390

Actuators

Type   Material no.  
Type    Material no.   
Actuating magnet coded Ex MC 56 1180986
Type   Material no.  
Type    Material no.   
Actuating magnet coded Ex MC 56-3 1181408

Accessories

Safety relay module SRM 21 RT2
  • Enclosure width: 22.5 mm
  • 2 NC or 1 NC/1 NO contact can be connected
  • Feedback circuit
  • 2 enabling paths
  • 1 transistor output
  • Manual or automatic reset
  • LED indicator for switching condition
  • Crossed wire monitoring
Distance plate RC Si 56
  • Material: POM (black)
Distance plate MC 56
  • Material: POM (black)