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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Nombre de résultats par page
Description Prix Supply Voltage Number of Channels Auxiliary Contacts Function Safety Category ISO 13849-1 SIL IEC 61508 PL ISO 13849-1 Safety Contacts Range Reset Method Safety Category Terminal Type Standards Met Configurable
N° de stock RS 362-0174
Référence fabricant774350
MarquePilz
375,26 €
Each
Unité
24 V dc 2 1 Two-Hand Control - - - 2 PNOZ X Monitored - Screw - -
N° de stock RS 893-7682
Référence fabricant2700467
113,53 €
Each
Unité
24 V dc 1 3 Emergency Stop, Safety Switch/Interlock - - - 3 PSRmini Automatic, Manual 1 Cage Clamp cUL, cULus, EAC, Functional Safety, UL -
N° de stock RS 733-2391
Référence fabricant2TLA010029R0000
MarqueABB
185,68 €
Each
Unité
24 V dc 1, 2 - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock - - - 2 - - - Terminal Block - -
N° de stock RS 489-6388
Référence fabricant777606
MarquePilz
408,30 €
Each
Unité
24 → 240 V ac/dc 1, 2 2 Safety Switch/Interlock - - - 7 PNOZ X - - Screw - -
N° de stock RS 784-5790
Référence fabricant3SK1112-1BB40
MarqueSiemens
122,67 €
Each
Unité
24 V dc 1 - - - - - - SIRIUS Automatic, Monitored - Screw - -
N° de stock RS 239-1049
Référence fabricant774303
MarquePilz
144,40 €
Each
Unité
24 V ac/dc 2 - Light Beam/Curtain, Safety Switch/Interlock - - - 2 PNOZ X Manual - Screw - -
N° de stock RS 122-2492
Référence fabricantR1.188.2070.0
MarqueWieland
360,56 €
Each
Unité
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 -
N° de stock RS 918-6649
Référence fabricant777512
MarquePilz
367,23 €
Each
Unité
24 V dc 2 2 Emergency Stop, Light Beam/Curtain, Safety Switch/Interlock - - - 3 PNOZ X Automatic, Manual - Screw - -
N° de stock RS 733-2351
Référence fabricant2TLA010026R0500
MarqueABB
283,90 €
Each
Unité
230 V ac 1, 2 - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock - - - 4 - - - Terminal Block - -
N° de stock RS 893-7745
Référence fabricant2904958
91,31 €
Each
Unité
24 V dc 2 2 Emergency Stop, Safety Switch/Interlock - - - 2 PSRmini Automatic 3 Screw cUL, cULus, EAC, Functional Safety, UL -
N° de stock RS 757-9308
Référence fabricantG9SB-3012-C AC/DC24
MarqueOmron
142,38 €
Each
Unité
24 V ac/dc 2 1 Emergency Stop - - - 3 - - - - - -
N° de stock RS 814-6952
Référence fabricantXPSAC3721P
155,16 €
Each
Unité
230 V ac 1 1 Emergency Stop, Safety Switch/Interlock - - - 3 Preventa Monitored - Screw - -
N° de stock RS 733-2341
Référence fabricant2TLA010026R0000
MarqueABB
262,65 €
Each
Unité
24 V dc 1, 2 - Light Beam/Curtain, Safety Mat/Edge, Safety Switch/Interlock - - - 4 - - - Terminal Block - -
N° de stock RS 360-4352
Référence fabricantXPSAF5130P
186,75 €
Each
Unité
24 V ac/dc 1, 2 - Safety Switch/Interlock - - - 3 Preventa - - Screw - -
N° de stock RS 515-1787
Référence fabricantR1.188.0530.1
MarqueWieland
175,58 €
Each
Unité
24 V ac/dc 2 1 Two-Hand Control - - - 2 safeRELAY Monitored - Screw - -
N° de stock RS 123-2746
Référence fabricant280006
MarqueIDEM
365,56 €
Each
Unité
24 V ac/dc 2 3 Emergency Stop, Safety Switch/Interlock - - - 7 Viper Automatic, Manual - Screw cULus, EN 60204-1, EN 62061, EN ISO 12100, EN ISO 13849-1, EN ISO 13849-2, TUV, UL 508 -
N° de stock RS 893-7708
Référence fabricant2700548
116,71 €
Each
Unité
24 V dc 2 3 Emergency Stop, Safety Switch/Interlock - - - 3 PSRmini Automatic, Manual - Cage Clamp cUL, cULus, EAC, Functional Safety, UL -
N° de stock RS 464-495
Référence fabricantXPSATE3710P
380,00 €
Each
Unité
230 V ac 2 4 Emergency Stop, Safety Mat/Edge, Safety Switch/Interlock - - - 2 Preventa Automatic, Manual - Screw - -
N° de stock RS 324-7280
Référence fabricant774325
MarquePilz
151,40 €
Each
Unité
24 V ac/dc 1, 2 - Safety Switch/Interlock - - - 2 PNOZ X - - Screw - -
N° de stock RS 893-7723
Référence fabricant2904952
91,31 €
Each
Unité
24 V dc 2 1 Emergency Stop, Safety Switch/Interlock - - - 1 PSRmini Automatic - Screw cUL, cULus, EAC, Functional Safety, UL -