About ASR1000 Safty Relay
HollySys ASR1000 Safety Relays are designed for isolating and converting DO signals in SIS systems, featuring multiple contact configurations. The internal circuitry adopts multi-redundancy technology and complies with IEC 61508 standards, certified for functional safety by TÜV Rheinland. With a compact design starting at just 12.5 mm in thickness, these relays save space, feature low power consumption for dense installation and long-term reliable operation, and offer various contact configurations with a contact capacity of up to 5A.

Product Features
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Proof test port
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Replaceable fuse
Technical Parameters
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Power supply
24 V DC (16 to 35 V DC)
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Contact configurations
1 N/O, 1 N/C, 1 N/O + 1 N/C
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Compliance Standards
IEC 61508 Parts 1-7:2010; IEC 61326-3-1:2017; IEC 61298 Parts 1-3:2008
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Product certification
TÜV Rheinland Functional Safety Certification
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Mechanical contact life
Over 10 million operations
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Electromagnetic compatibility
Compliant with IEC 61326-1 (GB/T 18268) and IEC 61326-3-1
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Electrostatic discharge
8 kV (air discharge)
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EFT/burst
3 kV (power line to ground), 2 kV (signal line to ground)
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Surge
2 kV (line to ground), 2 kV (line to line)
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Radiated RF immunity
20 V/m
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Operating environment
Must be installed in a safe area free of explosive gases. The surrounding environment should not contain strong vibrations, shocks, or corrosive gases or dust that may affect the product's components.
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Continuous operating temperature
-20ºC to +60ºC
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Operating relative humidity
10% to 90%
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Storage temperature
-40ºC to +80ºC
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Storage relative humidity
10% to 90%
Services & Support
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