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
The actuator is not included in the delivery of the switches
Technical data
General 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
Target object / Actuator
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
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 %
Note
The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203).