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Module 24v Safety Relay

Design according to EN ISO 13849-1 (Category 4、PLe); 

Features of product: Relay output: 2 normally open contact, 1 normally close auxiliary contact; 

Option:manual reset or automatic reset Self-check function redundant circuit design; 

Self-protection when over-voltage or over-current; 

Power supply anti-reverse connection protection design; 

Internal circuit with cross fault monitoring; 

Detachable terminal block for easy maintenance; 

Standard 35mm width design;

 Intuitive status indicator display for easy operation status diagnosis. 

Product Details




Conformance standardEN 60947-5-1,EN 61000-6-2,EN 61000-6-3,IEC/EN 60204-1,EN ISO 13849-1Control LevelEN954-1, the maximum safety control level 4 Performance LevelISO13849,Ple
Power Voltage24VDCVoltage Range85%~110%Module Watts3 W
Power and the Input ProtectionInternal Self-recovery FuseState DisplayPower/Channel 1/Channel 2 Three State LED Indicator Light Start Button for Monitoring Manual /Automatic
 Input  Dual Channel Safety Output Double output normally Open(13-14,23-24)  Signal Output One output normally closed(31-32)
 Conventional Thermal Current Ith 5A The Insurance Level 6A fast  or 4A slow Usage AC-15,DC-13
 Contact Resistance≤100mΩ Mechanical Life 10 million times Operation Frequency 6 time/minutes

Conformance standardEN 60947-5-1,EN 61000-6-2,EN 61000-6-3,IEC/EN 60204-1,EN ISO 13849-1Control LevelEN954-1, the maximum safety control level 4 Performance LevelISO13849,Ple
Power Voltage24VDCVoltage Range85%~110%Module Watts3 W
Power and the Input ProtectionInternal Self-recovery FuseState DisplayPower/Channel 1/Channel 2 Three State LED Indicator Light Start Button for Monitoring Manual /Automatic
 Input  Dual Channel Safety Output Double output normally Open(13-14,23-24)  Signal Output One output normally closed(31-32)
 Conventional Thermal Current Ith 5A The Insurance Level 6A fast  or 4A slow Usage AC-15,DC-13
 Contact Resistance≤100mΩ Mechanical Life 10 million times Operation Frequency 6 time/minutes





  •  V+/VCC:Positive Pole ,connect to the DC24V
  • V-/GND:Negative Pole,connect to the DC0V
  • S1:The terminal of NPN signal input channel 1 for light curtain
  • S2:The termninal of NPN signal input channel 2 for light curtain
  • S33/S35:Manual  start button
  • S33/S44:Automatic reset button
  • 13/14,23/24:The terminal of dual safety output (NO)
  • 31/32: The terminal of signal output (NC)
  • Power:Red LED, power (V+/V-)on
  • CH1:Green LED,light on when safety relay K1 closed

         CH2:Green LED,light on when safety relay K2 closed



Shenzhen ESPE is professional electronic product factory, we have 19 years experience, and become top 2 brand in China. Cooperation principle: Stable and safety product for customer in nice price. Welcome to contact us for more information.


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