Safety Switch

Non-contact Small Safety Switch SS4 Series (For Relay Use)

Description

The SS4 Series are compact non-contact safety switches exclusively designed for combined use with the SM1-301 safety relay unit. Achieves up to PLe (Safety Category 4, SIL3). Available in plastic (IP68) and stainless steel (IP69K) housing.

Features
  • Small slim design, easy to install
  • Up to PLe (Safety Cat.4), SIL3 in combination with SM1-301
  • Multiple units can be connected to one safety relay unit
  • Robust stainless steel housing available (SS4-OX)
  • Up to 25 units connectable in series, still applicable to Category 4
  • Exclusive use with SM1-301 safety relay unit
Specifications
Model
SS4 Series
Power Supply
24VDC (-15%/+10%)
Rated Operating Distance
7mm
Assured Switch ON Distance
6mm
Assured Switch OFF Distance
10mm
Hysteresis
1mm
Repeat Accuracy
<5%
Output
N.O. SSR Output x2 (to be connected to SM1-301)
Auxiliary Output
N.C. PNP or NPN Open Collector x1 (24VDC 250mA max)
SS4 P 420 Current Consumption
268mA
SS4 P 430 Current Consumption
30mA
Transmitter Dimensions
70 x 12 x 16 mm
Receiver Dimensions
70 x 16 x 16 mm
Plastic Transmitter Weight
30g
Plastic Receiver Weight
180g (incl. cable)
Stainless Transmitter Weight
70g
Stainless Receiver Weight
210g (incl. cable)
Operating Temperature
-25 to +60°C
Protection Class (Plastic SS4 P)
IP68
Protection Class (Stainless SS4 OX)
IP69K
Type / Coding Level
4 / Low
PL
PLe (Safety Cat.4), SIL3 - Combined with SM1-301
B10d
2,000,000 times
Standards
ISO 13849-1, ISO 14119, IEC 60204-1, IEC 61508-1/2, IEC 62061, UL 60947-1/5-2, CE, RoHS
Interested in this product?

Contact our sales team for pricing, availability, and technical support.

Looking for a specific model or accessory? This series includes additional variants, sizes, and accessories that aren't all listed here. As an authorized Line Seiki distributor, we can supply the full range — just let our sales team know what you need.
Contact Us

Need More Information?

Our team of experts is ready to help you find the right product for your application.

Contact Us Browse More Products