Sentry TSR20

Product ID:70229
Updated: 2026/7/14
ABB Sentry TSR20

Key Features

  • 1Deploy advanced safety monitoring with delayed relay outputs.
  • 2Utilize the 3NO-1NC contact form for reliable operation.
  • 3Power efficiently with a 24VDC supply.
  • 4Configure models with display for faster troubleshooting.
  • 5Monitor safety devices with contacts and OSSD outputs.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Product Net Depth / Length
120 mm
Product Net Height
120 mm
Product Net Width
22.5 mm
Product Net Weight
0.207 kg
Number of Outputs
Failsafe, Delayed Contacts 4
Rated Control Supply Voltage (Us)
24 V DC
Time Range
0.5 and 1.5 seconds
Ambient Air Temperature
Operation -25 ... +65 °C Storage -40 ... +70 °C
Degree of Protection
IP20
Operating Humidity (RH<span style="font-size:x-small;">amb</span>)
10% ... 90%; no icing; occasional condensation
eClass
V11.0 : 27371819
ETIM 7
EC001449 - Device for monitoring of safety-related circuits
ETIM 8
EC001449 - Device for monitoring of safety-related circuits
ETIM 9
EC001449 - Device for monitoring of safety-related circuits
IDEA Granular Category Code (IGCC)
5367 >> Control relay
UNSPSC
39122331
Object Classification Code
K
E-Number (Finland)
2712529
E-Number (Sweden)
3860826
Manufacturer ID
2TLA010061R0000

Specifications may be subject to change without notice

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