Safety Light Curtain

SL-C series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Recommended Replaceable Products: Safety Light Curtain - GL-R series

Safety Control Unit SL-R11E

SL-R11E - Safety Control Unit

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

  • UL Listing(c/us)




Response speed FSD1, 2 AUX

20 ms (including sensor response time)*1

OSSD output

Output type

PNP open collector

Max. load current

500 mA

OFF-state voltage

2 V

Leakage current

100 µA max.

Max. capacitive load

2.2 µF (When load resistance 100 Ω)

Load wiring resistance

10 Ω max*2

Safety light curtain

SL-C Series

Response speed when E-STOP is input

20 ms


24 VDC 50 mA max. residual voltage 2 V max.

Approved standards





FCC Part 15 Class A*3


UL61496-1 (type 4 ESPE)
UL61496-2 (type 4 AOPD)


Power voltage

24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

100 mA or less (for SL-R11E only)

Environmental resistance

Enclosure rating

IP20 (IEC60529)
Install in control panels which is equal to or greater than IP54

Operating ambient temperature

-10 to +55 °C (No freezing)

Storage temperature

-10 to +60 °C (No condensation

Operating relative humidity

35 to 85 % RH (No condensation)

Storage relative humidity

35 to 95 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 0.7 mm, 20 sweeps in each of the X, Y, and Z directions

Shock resistance

100 m/s2 (Approx. 10 G), 16 ms pulse, 1,000 times in each of the X, Y, and Z directions




Approx. 350 g

*1 The OFF → ON return time is 150 ms.
*2 For correct operation of the SL-R11E, make sure that the wiring resistance of devices connected to the OSSD output is 10 Ω max.
*3 Evaluated in combination with the SL-C Series.

Data Sheet (PDF) Other Models