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 757-9301
제조사 부품 번호G9SB-3010 DC24
제조사Omron
₩208,422.30
Each
수량
24 V dc 2 1 Emergency Stop 3 - - - - - 112mm - 100mm 18mm
RS 제품 번호 464-491
제조사 부품 번호XPSATE5110P
₩518,862.50
Each
수량
24 V dc 2 4 Emergency Stop, Safety Mat/Edge, Safety Switch/Interlock 2 Preventa Automatic, Manual - Screw - 114mm - 99mm 45mm
RS 제품 번호 741-8666
제조사 부품 번호SRB324ST 24V (V.3)
제조사Schmersal
₩696,459.95
Each
수량
24 V ac/dc 1, 2 - Light Beam/Curtain, Safety Switch/Interlock - PROTECT - - Screw - 121mm - 100mm 45mm
RS 제품 번호 180-6092
제조사 부품 번호1085346
제조사Sick
₩298,429.25
Each
수량
30 V dc 2 - - 2 - - Cat 4 Plug In - 124.6mm - 18mm 85.5mm
RS 제품 번호 125-1099
제조사 부품 번호XPSPVK1184
₩1,151,908.85
Each
수량
24 V dc - - Emergency Stop, Safety Switch/Interlock 2 Preventa Manual PLe Category 4, SIL CL3 Screw CSA, TUV, UL - - - -
신제품
RS 제품 번호 191-9857
제조사 부품 번호751106
제조사Pilz
₩524,671.90
Each
수량
24 V dc 2 1 - 3 PNOZ s6 Monitored 4 Screw - 120mm - 98mm 22.5mm
RS 제품 번호 155-822
제조사 부품 번호750105
제조사Pilz
₩500,798.80
Each
수량
24 V dc 2 - Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock 2 PNOZsigma Automatic, Manual, Monitored - Screw - 120mm - 102mm 22.5mm
RS 제품 번호 176-0025
제조사 부품 번호2TLA010061R0000
제조사ABB Jokab
₩232,768.15
Each
수량
24 V dc 3 3NO/NC Safety Switch 4 Sentry Multi-Reset 4 Screw - 120mm - 22.5mm 120mm
RS 제품 번호 123-2743
제조사 부품 번호280001
제조사IDEM
₩175,078.70
Each
수량
24 V ac/dc 1 1 Emergency Stop 3 Viper Automatic - Screw CULus, EN 60204-1, EN 62061, EN ISO 12100, EN ISO 13849-1, EN ISO 13849-2, TUV, UL 508 99mm - 22.5mm 114mm
RS 제품 번호 784-5813
제조사 부품 번호3SK1121-2CB41
제조사Siemens
₩513,727.35
Each
수량
24 V dc 1 - - 4 SIRIUS Automatic, Monitored - Cage Clamp - 121.7mm - 100mm 22.5mm
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 190-8414
제조사 부품 번호2702902
제조사Phoenix Contact
₩394,465.70
Each
수량
24 V dc 2 - - 2 - Automatic, Manual, Monitored PLe Category 4, SILCL 3 Plug-In - 116.6mm - 17.5mm 114.5mm
RS 제품 번호 176-0029
제조사 부품 번호2TLA010052R0400
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 146-5870
제조사 부품 번호SRB-E-402ST
제조사Schmersal
₩563,311.85
Each
수량
24 V dc 1, 2 1 - - - Automatic - Plug In, Screw - 98mm - 22.5mm 115mm
RS 제품 번호 178-2438
제조사 부품 번호775600
제조사Pilz
₩406,405.35
Each
수량
24 V ac 2 1 Emergency Stop 3 PNOZ X Automatic, Manual - Screw - 121mm - 87mm 90mm
신제품
RS 제품 번호 191-9868
제조사 부품 번호751160
제조사Pilz
₩246,651.50
Each
수량
24 V dc 2 1 Expansion Module - PNOZ s20 Automatic 2, 4 Cage Clamp - 120mm - 98mm 22.5mm
RS 제품 번호 893-7682
제조사 부품 번호2700467
제조사Phoenix Contact
₩185,491.60
Each
수량
24 V dc 1 3 Emergency Stop, Safety Switch/Interlock 3 PSRmini Automatic, Manual 1 Cage Clamp CUL, CULus, EAC, Functional Safety, UL 114.5mm - 112.2mm 12.5mm
RS 제품 번호 784-5831
제조사 부품 번호3SK1122-1CB44
제조사Siemens
₩229,009.40
Each
수량
24 V dc 1 - - - SIRIUS Automatic, Monitored - Screw - 121.7mm - 100mm 22.5mm
RS 제품 번호 666-7038
제조사 부품 번호2963912
제조사Phoenix Contact
₩755,666.85
Each
수량
24 V ac/dc 1, 2 1 Emergency Stop, Safety Switch/Interlock 8 - - 3 Screw - 114.5mm - 99mm 45mm
RS 제품 번호 741-8647
제조사 부품 번호SRB207AN 24V
제조사Schmersal
₩551,677.55
Each
수량
24 V dc - - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock - PROTECT - - Screw - 121mm - 100mm 45mm