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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Omschrijving Prijs 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
RS-stocknr. 656-6089
FabrikantnummerLG5924.02/61 AC50/60Hz 230V
FabrikantDold
155,00 €
Each
Aantal stuks
230 V ac 1 - Emergency Stop - - - 2 Safemaster - - Terminal Block - -
RS-stocknr. 240-8692
FabrikantnummerBD5935.48 DC24V
FabrikantDold
315,33 €
Each
Aantal stuks
24 V dc 1, 2 - Emergency Stop - - - 4 Safemaster - - Screw - -
RS-stocknr. 240-8850
FabrikantnummerBA7924.21 DC24V 1-10s
FabrikantDold
131,87 €
Each
Aantal stuks
24 V dc - - Emergency Stop - - - 2 Safemaster - - - - -
RS-stocknr. 240-8737
FabrikantnummerBD5987.02/001 DC24V
FabrikantDold
284,21 €
Each
Aantal stuks
24 V dc 1, 2 - Emergency Stop - - - 2 Safemaster - - Screw - -
RS-stocknr. 327-7613
FabrikantnummerBH5928.92 DC24V 1-10S
FabrikantDold
386,45 €
Each
Aantal stuks
24 V ac/dc 1, 2 - Emergency Stop - - - 3 Safemaster - - - - -
RS-stocknr. 240-8793
FabrikantnummerBD5980N.02 DC24V
FabrikantDold
331,87 €
Each
Aantal stuks
24 V dc 2 - Two-Hand Control - - - 2 Safemaster - - Screw - -
RS-stocknr. 240-8800
FabrikantnummerBD5980N.02 AC50/60Hz 230V
FabrikantDold
343,27 €
Each
Aantal stuks
230 V ac 2 - Two-Hand Control - - - 2 Safemaster - - Screw - -
RS-stocknr. 656-6073
FabrikantnummerLG5924.02/61 DC24V
FabrikantDold
139,66 €
Each
Aantal stuks
24 V ac/dc 1 - Emergency Stop - - - 2 Safemaster - - Terminal Block - -
RS-stocknr. 240-8743
FabrikantnummerBD5987.02/001 AC50/60Hz 230V
FabrikantDold
298,71 €
Each
Aantal stuks
230 V ac 2 - Emergency Stop - - - 2 Safemaster - - - - -
RS-stocknr. 181-2779
FabrikantnummerUG6970.04PS/61 DC24V
FabrikantDold
360,95 €
Each
Aantal stuks
24 V dc 2 - - - - - 4 - Auto Start, Manual 4, PL e 4, SIL 3 Screw - -
RS-stocknr. 181-2781
FabrikantnummerUG6980.04PS/61 DC24V
FabrikantDold
296,44 €
Each
Aantal stuks
24 V dc 2 - - - - - 4 - Auto Start, Manual 4, PL e 4, SIL 3 Screw - -
RS-stocknr. 291-3201
FabrikantnummerBG5924.48 AC/DC24V
FabrikantDold
218,33 €
Each
Aantal stuks
24 V dc 1 - Emergency Stop - - - 4 Safemaster - - - - -
RS-stocknr. 656-6067
FabrikantnummerRK5942.02 DC24V
FabrikantDold
122,92 €
Each
Aantal stuks
24 V dc 1 - Emergency Stop - - - 1 Safemaster - - Screw - -
RS-stocknr. 656-6051
FabrikantnummerRK5942.03 AC/DC24V
FabrikantDold
120,04 €
Each
Aantal stuks
24 V ac/dc 1 - Emergency Stop - - - - Safemaster - - Screw - -
RS-stocknr. 375-3779
FabrikantnummerBG5933.22 AC24V
FabrikantDold
247,11 €
Each
Aantal stuks
24 V ac - - Two-Hand Control - - - 3 Safemaster - - - - -
RS-stocknr. 240-8670
FabrikantnummerBN5983.53 DC24V
FabrikantDold
385,81 €
Each
Aantal stuks
24 V dc 2 1 Emergency Stop - - - 3 Safemaster Monitored - Terminal Block - -
RS-stocknr. 240-8709
FabrikantnummerBD5935.48 AC50/60Hz 230V
FabrikantDold
328,45 €
Each
Aantal stuks
230 V ac 2 1 Emergency Stop - - - 3 Safemaster Monitored - Terminal Block - -
RS-stocknr. 656-6130
FabrikantnummerLG5933.48 DC24V
FabrikantDold
238,48 €
Each
Aantal stuks
24 V ac/dc - 1 Two-Hand Control - - - 3 Safemaster Monitored - Screw - -
RS-stocknr. 181-2780
FabrikantnummerUG6980.02PS/61 DC24V
FabrikantDold
205,65 €
Each
Aantal stuks
24 V dc 2 - - - - - 2 - Auto Start, Manual 4, PL e 4, SIL 3 Screw - -
RS-stocknr. 375-3757
FabrikantnummerBG5933.22 DC24V
FabrikantDold
254,26 €
Each
Aantal stuks
24 V dc - - Two-Hand Control - - - 3 Safemaster - - Screw - -