Safety sensor
RC Si 56
Thermoplastic enclosure with cable
Long life
Reed contacts, coded
Actuation from front
The actuator is not included in the delivery of the switches.
Technical data
General technical data
Applied standards
EN 60947-5-1, EN 60947-5-3, EN ISO 13849-1, EN ISO 14119
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Target object / Actuator
MC 56, 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
Switching voltage
max. 30 VDC
Rated operating current/voltage Ie/Ue
max. 157 mA, with LED: max. 20 mA / 24 VDC
Utilisation category
DC-12
Voltage drop at Ie
3.15 V, with LED: 3 V
Short-circuit current Ik
switching contacts: max. 750 mA for 50 ms
LED: max. 30 mA for 50 ms
Assured switching distance »OFF« sar
> 23 mm
Repeatability
< 0.5 mm
Hysteresis
min. 23 mm
Degree of pollution
3
Safety class
II
Ambient temperature
–20 °C … +85 °C
Mechanical life
> 1 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)
Approvals
< on request
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).




























