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 239-1061
제조사 부품 번호774314
제조사Pilz
₩316,536.35
Each
수량
24 V dc, 110 V ac 2 1 Safety Switch/Interlock 3 PNOZ X Automatic, Monitored - Screw - 121mm - 87mm 45mm
RS 제품 번호 917-6673
제조사 부품 번호2TLA010033R3000
제조사ABB
₩202,287.40
Each
수량
24 V dc 2 - Emergency Stop, Safety Switch/Interlock 4 - Automatic - Screw CCC, CCSAus, CE, EN 60204-1:2006 + A1:2009, EN 62061:2005, EN 954-1:1996, EN ISO 12100-1:2003, EN ISO 12100-2:2003, EN ISO 13849-1:2008, IEC 60529, IEC 60947-5-1:2009, TUV 120mm - 22.5mm 84mm
RS 제품 번호 422-5203
제조사 부품 번호XPSAK351144P
₩496,705.25
Each
수량
24 V dc, 120 V ac 1, 2 1 Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock 3 Preventa - - Screw - 111mm - 99mm 45mm
RS 제품 번호 893-7694
제조사 부품 번호2700499
제조사Phoenix Contact
₩185,491.60
Each
수량
24 V dc 2 2 Emergency Stop, Safety Switch/Interlock 2 PSRmini Automatic, Manual 3 Cage Clamp CUL, CULus, EAC, Functional Safety, UL 114.5mm - 116.6mm 12.5mm
신제품
RS 제품 번호 191-9866
제조사 부품 번호751136
제조사Pilz
₩542,439.55
Each
수량
48 → 240 V ac/dc 2 1 - 3 PNOZ s6 Monitored 4 Screw - 120mm - 98mm 22.5mm
RS 제품 번호 893-7736
제조사 부품 번호2904954
제조사Phoenix Contact
₩146,112.30
Each
수량
24 V dc 2 1 Emergency Stop, Safety Switch/Interlock 1 PSRmini Automatic - Screw CUL, CULus, EAC, Functional Safety, UL 102.5mm - 6.8mm 93.1mm
신제품
RS 제품 번호 201-1494
제조사 부품 번호XPSUEP14AP
₩241,155.20
Each
수량
24 V ac/dc 1 4 Emergency Stop Monitoring 5 - - - - - - - - -
RS 제품 번호 733-2389
제조사 부품 번호2TLA010028R2400
제조사ABB
₩533,342.60
Each
수량
115 V ac 1, 2 - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock 5 - - - Terminal Block - 120mm - 84mm 45mm
RS 제품 번호 731-8960
제조사 부품 번호XPSBCE3410C
₩507,135.20
Each
수량
115 V ac - 1 Two-Hand Control 2 Preventa - - Cage Clamp - 114mm - 111mm 22.5mm
RS 제품 번호 123-2736
제조사 부품 번호280001-P
제조사IDEM
₩227,395.85
Each
수량
24 V ac/dc 1 1 Emergency Stop 3 Viper Automatic - Plug In 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 177-9021
제조사 부품 번호SCR2-W22-2.5
제조사Bernstein AG
₩180,426.20
Each
수량
24 V dc, 230 V ac 1 2 Two-Hand Control - - - - Screw - 114.5mm - 22.5mm 99mm
RS 제품 번호 733-2341
제조사 부품 번호2TLA010026R0000
제조사ABB
₩319,337.20
Each
수량
24 V dc 1, 2 - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock 4 - - - Terminal Block - 120mm - 84mm 45mm
신제품
RS 제품 번호 191-9873
제조사 부품 번호751187
제조사Pilz
₩277,098.15
Each
수량
24 V dc 2 1 Safety Switch 4 PNOZ s7 Automatic 4 Cage Clamp - 120mm - 98mm 17.5mm
RS 제품 번호 801-5943
제조사 부품 번호2981062
제조사Phoenix Contact
₩225,976.05
Each
수량
24 V ac/dc 2 - Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock 4 - Automatic, Manual 3 Cage Clamp - 114.5mm - 112mm 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 378-5388
제조사 부품 번호774435
제조사Pilz
₩584,464.70
Each
수량
115 V ac 2 1 Two-Hand Control 3 PNOZ X Manual - Screw - 121mm - 101mm 45mm
RS 제품 번호 893-7708
제조사 부품 번호2700548
제조사Phoenix Contact
₩186,753.30
Each
수량
24 V dc 2 3 Emergency Stop, Safety Switch/Interlock 3 PSRmini Automatic, Manual - Cage Clamp CUL, CULus, EAC, Functional Safety, UL 114.5mm - 12.5mm 116.6mm
신제품
RS 제품 번호 200-6141
제조사 부품 번호XPSUS12AC
₩478,808.95
Each
수량
24 V 2 - Emergency Stop 2 - - - - - - - - -
RS 제품 번호 757-9317
제조사 부품 번호G9SA-301 AC100-240
제조사Omron
₩323,024.65
Each
수량
100 → 240 V ac 2 1 Emergency Stop 1 - - - - - 111mm - 94mm 45mm
RS 제품 번호 917-6660
제조사 부품 번호2TLA010004R0000
제조사ABB
₩314,406.65
Each
수량
24 V dc 2 1 Two-Hand Control 3 - Automatic - Screw - 120mm - 74mm 45mm