2TLA010053R0400 ABB Jokab Safety Sentry SSR42 Safety relay


ABB Jokab Safety Sentry SSR42 Safety relay

Sentry SSR42 Safety relay with relay outputs 2NO+2 delayed NO, +24 VDC supply voltage and screw terminals.
For monitoring of safety devices with contacts, 1 or 2 equivalent channels , and safety devices with OSSD outputs.
Manual or automatic reset selectable by switch on front.
The two delayed NO relay outputs have an OFF-delay time of 1,5 seconds.

Sentry safety relays cover various types of safety applications up to PLe / SIL3.
Basic models provide reliable supervision of simpler safety functions, while universal models provide advanced features and high flexibility.
Models with display offer preset configurations and extensive information to further simplify troubleshooting.
Additional variants offer a high accuracy timer function of ± 1% and an adjustable time setting range from 0-999 s.
High output current capacity of up to 6 A can save the use of an intermediary contactor. Multi-reset allows up to 10 safety relays connected to one reset light-button.
All models are available with detachable push-in or screw terminals. Terminals and coding kit to mark removed terminals are available as accessories.

รหัสสินค้า: 2TLA010053R0400 หมวดหมู่:


ABB Jokab Safety Sentry SSR42 Safety relay
ABB Jokab 3-Channel Safety Switch Safety Relay, 24V dc, 4 Safety Contacts

ABB Jokab Safety Contact


The ABB Jokab SSR42 is a safety relay with 2NO+2 delayed NO contacts and a 24VDC power supply. This is used with safety devices with contacts 1 and 2 channels with equivalent contacts and safety devices with OSSD outputs.


Features and Benefits


• Compact in dimension 120mmx22.5mmx120mm
• Screw-type terminal for electrical connections
• The reset function (automatic or manual) is set with a switch on the front
• The two delayed NO relay outputs have an OFF-delay time of 1.5s



• Industrial automation
• Pressure sensitive mats
• Safety gates
• Two-hand controls


• CE certified
• CUL listed
• PL ISO 13849-1


  • Number of Outputs:
    Failsafe, Delayed Contacts 2
    Failsafe (Relay) 2
  • Rated Control Supply Voltage (Us):
    24 V DC
  • Time Range:
    1.5 seconds


    • Ambient Air Temperature:
      Operation -25 … +65 °C
      Storage -40 … +70 °C
    • Degree of Protection:
    • Operating Humidity (RHamb):
      10% … 90%; no icing; occasional condensation
คุณสมบัติ Value
Supply Voltage 24V dc
Number of Channels 3
Safety Contacts 4
Function Safety Switch
Auxiliary Contacts 4
Reset Method Multi-Reset
Range Sentry
Safety Category ISO 13849-1 4
PL ISO 13849-1 e
SIL IEC 61508 3
Terminal Type Screw
Configurable Yes
Width 120mm
Depth 120mm
Series SSR42
Length 22.5mm
Performance Level e
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