Ex safety sensor

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

Notes
  • 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 IEC 60079-0, EN 60079-18

Enclosure

thermoplastic, glass-fibre reinforced, shockproof, 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

IP67 (IEC/EN 60529)

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

switching contacts: 2.5 V
LED: 3 V

Assured switching distance »OFF« 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

L II 3G Ex mc IIC T6/T5 Gc X,
L II 3D Ex mc IIIC T80°C/T95°C Dc

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 %

Note

The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203).
 

Downloads

Loading...
Mounting and wiring instructions – Ex RC Si 56-3G/D

German, English, French, Italian, Portuguese, Russian

PDF 4 MB 19.09.2023
Please go to the relevant product pages for additional downloads.
Loading...

Other interesting products

Ex RC Si 56

2G/D version for Ex zone 1 and 21