Safety sensor
RC Si 56
Thermoplastic enclosure
Long life
Reed contacts, coded
Actuation from front
Switching distance up to 6 mm
With pre-wired cable
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
Defined object
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
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).
