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Safety Relays

Safety Relays are devices that implement safety functions

Safety Relays


Safety Relays are devices that implement safety functions



There are multiple manufacturers of Safety Relay and very few brands like Leuze , Schmersal, Pilz, Pizzato, Bernstein, Dold are most advanced and successful brands of Safety Relay in the world, which are application wise different and In India these brands are trusted and implemented in automation projects.

Safety Relays are devices that implement safety functions. In the event of a hazard, a safety relay must work to reduce risk to an acceptable level. The safety relay must initiate a safe and reliable response as well as monitor the integrity of its function. Safety relays are becoming a popular component in safety systems, due to increasing regulations and attempts to safeguard operators from hazards. When applied correctly, safety relays will detect failures in output and input devices, as well as internal failures, allowing power to be removed from a load, even if a contact is welded, and prohibit a subsequent restart of the load until the failure is corrected. Safety relays are just one component in the safety control system. All components in the system must be chosen and applied correctly, to achieve the desired level of operator safeguarding Safety Relays are devices that implement safety functions. In the event of a hazard, a safety relay will work to reduce to risk to an acceptable level. When an error occurs, the safety relay will initiate a safe and reliable response. Each safety relay monitors a specific function. By connecting them to other safety relays, one can achieve total monitoring of a machine or plant. Safety relays are a simple and efficient way to meet existing safety standards, resulting in safe operation for your personnel and equipment as well as a long service life. Risk reduction should be a priority for any business, to both protect its employees and reduce the possibility of costly accidents or equipment replacement. Generally, if a risk is able to be reduced, then it should be.


Why Use a Safety Relay?

Risk Assessment Risk Reduction Safeguarding
Safety-Related Parts of Control Systems Control Categories


Applications of Safety Relays

Emergency stop Light grids (ESPE)/laser scanners (AOPD) Movable guards Enable switch
Two-hand control device Contact extension/forcibly guided contacts Relevelling lift cars Zero speed monitoring


Industries where safety relays used

Chemical and petrochemical industry Oil and gas industry Power industry Mining industry Others

Product Brand Part No.
Safety relays Phoenix Phoenix - PSR-MC32-3NO-1NC-24-230UC-SC / 2700524
Safety relays Phoenix  Phoenix - PSR-MC37-3NO-1NC-24DC-SC –/ 2702411
Safety relays Phoenix  Phoenix - PSR-MC32-3NO-1NC-24-230UC-SP / 2700525
Safety relays Phoenix  Phoenix SR-MC37-3NO-1NC-24DC-SP / 2702412
Safety relays Siemens Siemens - 3SK1111-1AB30
Safety relays PILZ  PILZ - PNOZ X 2.8P 24VACDC 3n/o 1n/c - 777301
Safety relays PILZ  PILZ - PNOZ s 4 24VDC 3 n/o 1 n/c – 750104
Safety relays PILZ  PILZ – PNOZ s4 C 24VDC 3 n/o 1 n/c - 751104
Safety relays Rockwell  Rockwell - 440R-N23126
Safety relays Rockwell  Rockwell - 440R-N23132
Safety relays SICK  SICK - UE48-3 OS2D2 / 6025089
Safety relays SICK  SICK - UE48-3 OS3D2 / 6025097
Safety relays Euchner  Euchner - ESM-BA301 / 085613
Safety relays Schmersal Schmersal - SRB301ST-24V-(V.2) / 103006151
Safety relays Schmersa l Schmersa l - SRB301MC-24V – 101190684
Safety relays IDEC IDEC - H R2S-301P
Safety relays Omron Omron - G9SB-2002-C/3012-C
Safety relays Omron Omron - G9SB-2002-D/3012-D
Safety relays Contrine x Contrine x - YRB-4EML-31S
Safety relays DOLD DOLD - L G 5924 / Article number: 0061916
Safety relays DOLD DOLD - L G 5925 / Article number: 0061919
Safety relays Schneide r Schneide r - XPSAXE5120C
Safety relays Schneider Schneider - XPSAXE5120P
Safety relays Banner Banner - ES-FA-9AA / 60131
Safety relays Banner Banner - ES-FA-6G / 55579