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 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
RS 제품 번호 698-8707
제조사 부품 번호SRB200EXI-1R
제조사Schmersal
₩1,033,687.25
Each
수량
24 V dc 2 - Safety Switch/Interlock 2 PROTECT Monitored - Screw - 121mm ATEX 100mm 22.5mm
RS 제품 번호 240-8721
제조사 부품 번호BO 5988.47/124 DC24V + AC230V 1-10s
제조사Dold
₩657,947.10
Each
수량
- - - - - - - - - - - - - -
신제품
RS 제품 번호 201-1467
제조사 부품 번호XPSUAT33A3AC
₩579,836.40
Each
수량
24 V ac/dc 1 8 Emergency Stop 5 - - - - - - - - -
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 177-4034
제조사 부품 번호2700525
제조사Phoenix Contact
₩405,301.75
Each
수량
24 → 230 V ac/dc 2 - Emergency Stop 3 - Manual 2 Terminal Block - 114.5mm - 117.4mm 22.5mm
신제품
RS 제품 번호 201-5299
제조사 부품 번호1009832
제조사Phoenix Contact
₩360,917.50
Each
수량
24 V dc 2 None Emergency Stop 2 - - - - - - - - -
신제품
RS 제품 번호 201-1473
제조사 부품 번호XPSUDN13AC
₩407,836.00
Each
수량
24 V ac/dc 1 8 Emergency Stop 5 - - - - - - - - -
RS 제품 번호 324-7268
제조사 부품 번호774056
제조사Pilz
₩191,717.95
Each
수량
230 V ac 1 - Safety Switch/Interlock 2 PNOZ X - - Screw - 121mm - 87mm 22.5mm
신제품
RS 제품 번호 201-5389
제조사 부품 번호2702523
제조사Phoenix Contact
₩481,431.55
Each
수량
24 V dc 1 None Safety Switch 1 - - - - - - - - -
RS 제품 번호 122-2492
제조사 부품 번호R1.188.2070.0
제조사Wieland
₩477,045.05
Each
수량
24 V dc 2 - Elevator System, Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock 7 SafeRELAY Automatic, Manual, Monitored - Screw CCC, CPT, CULus, EN 50156-1, EN 62061, EN ISO 13849-1, FS, GL, GOST R, TUV 96.5mm - 45mm 114mm
RS 제품 번호 893-7717
제조사 부품 번호2700564
제조사Phoenix Contact
₩186,753.30
Each
수량
24 V dc 2 3 Safety Switch/Interlock 3 PSRmini Automatic, Manual - Cage Clamp CUL, CULus, EAC, Functional Safety, UL 114.5mm - 12.5mm 116.6mm
RS 제품 번호 893-7688
제조사 부품 번호2700466
제조사Phoenix Contact
₩209,189.55
Each
수량
24 V dc 1 3 Emergency Stop, Safety Switch/Interlock 3 PSRmini Automatic, Manual 1 Screw CUL, CULus, EAC, Functional Safety, UL 114.5mm - 112.2mm 12.5mm
RS 제품 번호 291-3201
제조사 부품 번호BG5924.48 AC/DC24V
제조사Dold
₩290,496.35
Each
수량
24 V dc 1 - Emergency Stop 4 Safemaster - - - - 121mm - 84mm 22.5mm
RS 제품 번호 549-536
제조사 부품 번호G9SA-501 24AC/DC
제조사Omron
₩399,081.60
Each
수량
24 V ac/dc 1, 2 1 Emergency Stop 5 - - - - - 111mm - 76mm 45mm
RS 제품 번호 240-8709
제조사 부품 번호BD5935.48 AC50/60Hz 230V
제조사Dold
₩434,965.65
Each
수량
230 V ac 2 1 Emergency Stop 3 Safemaster Monitored - Terminal Block - 121mm - 74mm 45mm
RS 제품 번호 360-4352
제조사 부품 번호XPSAF5130P
₩274,630.55
Each
수량
24 V ac/dc 1, 2 - Safety Switch/Interlock 3 Preventa - - Screw - 114mm - 99mm 22.5mm
RS 제품 번호 125-1106
제조사 부품 번호XPSVNE3742HSP
₩840,496.80
Each
수량
230 V ac - - - - - - - Screw - 114mm - 45mm 99mm
RS 제품 번호 191-9872
제조사 부품 번호751185
제조사Pilz
₩524,671.90
Each
수량
24 V dc 2 - - 2 PNOZ s5 Automatic, Manual 4 Cage Clamp - 120mm - 98mm 22.5mm
신제품
RS 제품 번호 200-6140
제조사 부품 번호XPSUS12AP
₩478,808.95
Each
수량
24 V 2 - Emergency Stop 2 - - - - - - - - -