Safety Relays

What are they?
A safety relay is a device that monitors for potential errors or faults in machinery or plants and works to prevent injury and reduce risk. When an error occurs, the safety relay initiates a response to bring the risk back to a safe, acceptable level. Safety relays protect both machinery and employees, preventing potential expensive maintenance and equipment replacement.
Example functions include initiating a controlled pause in machinery or equipment to safely stop movement. They can also be used as an emergency stop mechanism, switching off the power to particular machinery or plants.
Single function or multi-function?
Safety relays can be single function or multi-function. Single function relays monitor a specific type of activity while multi-function safety relays can monitor different functions. Multi-function safety relays can be used in place of several single function, individual units.
The benefits of using multi-function relays include simpler installation and less wiring. As fewer individual units are needed, using multi-function relays can also free up panel space. Multi-function safety relays give you greater flexibility to make changes within the design or panel.
Where would you find a safety relay?
Safety relays are often found in the following control devices:
- Two hand controls
- Movable guards
- Light curtains, light barriers and light grids
- Magnetic switches
- Safety mats and pressure sensitive mats
- Three position devices
- Non-contact safety sensors
- Safety switches
- Emergency stop buttons
Who uses them?
Anyone can integrate a safety relay within a circuit to create a safety circuit without any specific training.

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제품설명 단가 Supply Voltage Number of Channels Auxiliary Contacts Function Safety Contacts Range Reset Method Safety Category Terminal Type Standards Met Depth Hazardous Area Certification Length Width
RS 제품 번호 890-3389
제조사 부품 번호G9SE-201-DC24
제조사Omron
₩139,816.20
Each
수량
24 V dc 2 1 Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock 2 - Automatic, Manual - Screw CAN C22.2 No.14, CSA C22.2 No.14, EN 62061 SIL3, EN 81-1, EN 81-2, EN ISO 13849-1: 2008 PL e Safety Category 4, EN/IEC 60947-5-1, GB 14048.5, IEC 62061 SIL 3, UL508 111.6mm - 144.5mm 17.5mm
신제품
RS 제품 번호 201-5338
제조사 부품 번호2702094
제조사Phoenix Contact
₩352,505.65
Each
수량
24 V dc 2 None Emergency Stop, Safety Switch 2 - - - - - - - - -
RS 제품 번호 176-0027
제조사 부품 번호2TLA010053R0400
제조사ABB Jokab
₩355,574.65
Each
수량
24 V dc 3 4 Safety Switch 4 Sentry Multi-Reset 4 Screw - 120mm - 22.5mm 120mm
RS 제품 번호 515-1787
제조사 부품 번호R1.188.0530.1
제조사Wieland
₩223,316.25
Each
수량
24 V ac/dc 2 1 Two-Hand Control 2 SafeRELAY Monitored - Screw - 114mm - 96.5mm 22.5mm
RS 제품 번호 780-5082
제조사 부품 번호R1.188.3590.0 - SNO4083KM-A
제조사Wieland
₩338,716.85
Each
수량
115 → 230 V ac 2 - - 3 SafeRELAY Manual - Screw - - - - -
RS 제품 번호 447-4506
제조사 부품 번호XPSAR311144
₩686,730.60
Each
수량
24 V dc 1, 2 2 Light Beam/Curtain 7 Preventa - - - - 114mm - 99mm 99mm
RS 제품 번호 183-7200
제조사 부품 번호3SK2122-1AA10
제조사Siemens
₩694,046.60
Each
수량
24 V dc 4 - - - SIRIUS - PLe, SIL 3 Screw - 100mm - 45mm 124.5mm
RS 제품 번호 155-872
제조사 부품 번호750156
제조사Pilz
₩313,671.95
Each
수량
48 → 240 V ac/dc 2 1 Two-Hand Control 3 PNOZsigma - - Screw - 120mm - 98mm 22.5mm
RS 제품 번호 181-1416
제조사 부품 번호XPSATE5110P
₩521,072.80
Each
수량
100 - 120 V, 200 - 240 V - - - - - - - - - - - - -
RS 제품 번호 814-6930
제조사 부품 번호XPSAK311144P
₩413,155.60
Each
수량
24 V ac/dc 2 1 Emergency Stop, Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock 3 Preventa Monitored - Screw - 114mm - 99mm 45mm
RS 제품 번호 324-7274
제조사 부품 번호774059
제조사Pilz
₩197,104.20
Each
수량
24 V ac/dc 1 - Safety Switch/Interlock 2 PNOZ X - - Screw - 121mm - 87mm 22.5mm
신제품
RS 제품 번호 201-6245
제조사 부품 번호2902725
제조사Phoenix Contact
₩536,682.85
Each
수량
24 V dc 4 None Emergency Stop, Safety Switch 3 - - - - - - - - -
신제품
RS 제품 번호 201-5356
제조사 부품 번호2702412
제조사Phoenix Contact
₩414,191.00
Each
수량
24 V dc 3 None Emergency Stop, Safety Switch 3 - - - - - - - - -
신제품
RS 제품 번호 201-5729
제조사 부품 번호2700581
제조사Phoenix Contact
₩345,099.75
Each
수량
24 V dc 2 None Safety Switch 2 - - - - - - - - -
RS 제품 번호 181-2780
제조사 부품 번호UG6980.02PS/61 DC24V
제조사Dold
₩276,310.75
Each
수량
24 V dc 2 - - 2 - Auto Start, Manual PL e 4, SIL 3, 4 Screw - 110mm - 22.5mm 120.3mm
RS 제품 번호 191-9859
제조사 부품 번호751109
제조사Pilz
₩275,785.30
Each
수량
24 V dc 2 1 Safety Switch 3 PNOZ s9 Manual 4 Cage Clamp - 120mm - 98mm 17.5mm
RS 제품 번호 382-2055
제조사 부품 번호011-160
제조사Smartscan
₩364,463.90
Each
수량
24 V dc 2 - Light Beam/Curtain 2 - Automatic - - - 60mm - 90mm 70mm
RS 제품 번호 784-5881
제조사 부품 번호3SK1230-1AW20
제조사Siemens
₩155,943.95
Each
수량
110 → 240 V ac/dc - - - - SIRIUS Automatic - Screw - 121.7mm - 100mm 22.5mm
RS 제품 번호 156-099
제조사 부품 번호750102
제조사Pilz
₩255,333.05
Each
수량
24 V dc 1 1 Emergency Stop, Safety Switch/Interlock 3 PNOZsigma Automatic, Manual, Monitored - Screw - 120mm - 102mm 17.5mm
RS 제품 번호 176-0035
제조사 부품 번호2TLA010040R0200
제조사ABB Jokab
₩181,314.35
Each
수량
24 V dc 1 4 Safety Switch 4 Sentry Multi-Reset 4 Screw - 120mm - 22.5mm 120mm