Ex safety sensor

Ex RC Si M30


  • Ex zone 1 and 21

  • Metal enclosure with cable

  • Available in stainless steel enclosure

  • Suitable for the food processing industry

  • -B: Variant with mounting thread M16 x 1.5 for cable protection system

  • Reed contacts, coded

  • Actuation from front

  • 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 60947-5-1, EN 60947-5-2, EN 60947-5-3, EN IEC 60079-0, EN 60079-18, EN ISO 13849-1, EN ISO 14119
Enclosure
brass, nickeled or stainless steel 1.4539
Target object / Actuator
Ex MC 30, Ex MC 30 Niro
Sensor type
type 4 interlocking device
Coding level
low coding
Tightening torque
mounting nut: max. 75 Nm
Degree of protection
IP67 (EN IEC 60079-0 + IEC/EN 60529)
Ex RC Si M30 … B-IP69 …:
IP69 (IEC/EN 60529) / IP69K (ISO 20653)
Switching system
reed contacts
Switching elements
1 NC/1 NO contact or 2 NC contacts
Connection
cable H05VV5-F 5G
Cable cross-section
5 x 0.5 mm²
Cable length
2, 5 or 10 m, max. 15 m
Rated operating current Ie
switching contacts: max. 125 mA
LED: max. 20 mA
Rated operating voltage Ue
switching contacts: max. 30 VDC
LED: max. 24 VDC
Switching capacity
switching contacts: max. 3.75 W
LED: max. 0.48 W
Voltage drop at Ie
switching contacts: 2.5 V
LED: 3 V
Short-circuit current Ik
switching contacts: max. 750 mA for 50 ms
LED: max. 30 mA for 50 ms
Operation cycles
max. 1600/h
Rated switching distance sn
10 mm
Assured switching distance »ON« sao 
8 mm
Assured switching distance »OFF« sar 
30 mm
Repeatability
< 0.5 mm
Hysteresis
≤ 14 mm
Temperature class
T6
Ambient temperature
–20 °C … +70 °C
Mechanical life
> 10 million operations
Vibration resistance
10 g (10-500 Hz)
Shock resistance
100 g (1 ms, ½ sin)
Bounce duration
max. 2 ms (response time, incl. bounce)
Impact energy
max. 7 J
Ex marking
L II 2G Ex mb IIC T6 Gb,
L II 2D Ex mb IIIC T80°C Db
IECEx Ex mb IIC T6 Gb,
Ex mb IIIC T80°C Db
Approvals
PTB 05 ATEX 2024 X
IECEx PTB 07.0008 X
f d a
< on request
EN ISO 13849-1
Performance Level PL e
Category
4
B10d (10 % load)
20 million
TM
max. 20 years
MTTFd
> 100 years
DC/DCavg
> 99 %
hop
8 h/day
dop
220 days/year
tzyklus
20 s
Note
The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203).
 

Downloads

Mounting and wiring instructions – Ex RC Si M30

German, English, French, Italian, Portuguese

PDF 2 MB 13.11.2025
Please go to the relevant product pages for additional downloads.

Variants / Options

The following variants / options are available on request:

  • Maritime certification to DNV <

to your contact persons

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