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<p>ABB Safety Relays provide reliable protection by monitoring and controlling machinery to prevent accidents. Ideal for emergency stops and safeguarding zones, they ensure high safety standards in industrial applications.</p>


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Degree of Protection

IP20

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20

acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20

Height

0.084 m

0.074 m

0.072 m

0.082 m

Safety Integrity Level (SIL)

Terminal Type

Screw Terminals

Spring Terminals

Sentry SSR10 Safety relay with relay outputs 3NO+1NC, +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.

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.

Sentry SSR10

Sentry BSR23 Safety expansion relay with relay outputs 4NO+1NC, +24 VDC supply voltage and screw terminals.
Used as expansion relay for a safety relay/safety PLC, in order to increase the number of safe outputs.

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.

Sentry BSR23

Sentry USR10 Universal safety relay with delayable relay outputs 3NO+1NC, +24 VDC power supply and screw terminals.
For monitoring of safety devices with contacts, 1 or 2 equivalent or antivalent channels, safety devices with OSSD outputs, two-hand devices, safety mats and safety edges/bumpers.
Timer function 0-999 seconds with a better accuracy than 1%: OFF-delay, ON-delay, Time bypass and Time reset.
A display on front facilitates configuration and troubleshooting by displaying error codes and error log. A custom configuration can be protected by password.
Manual or automatic reset selectable.

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.

Sentry USR10

A universal safety relay for many safety applications. Relay outputs 3NO/1NC

RT6 24DC

Sentry USR22 Universal safety relay with relay outputs 2NO+2 delayable NO, +24VDC power supply and screw terminals.
For monitoring of safety devices with contacts, 1 or 2 equivalent or antivalent channels, safety devices with OSSD outputs, two-hand devices, safety mats and safety edges/bumpers.
Timer function 0-999 seconds with a better accuracy than 1%: OFF-delay, ON-delay, Time bypass and Time reset.
A display on front facilitates configuration and troubleshooting by displaying error codes and error log. A custom configuration can be protected by password.
Manual or automatic reset selectable.

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.

Sentry USR22

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.

Sentry SSR42

Sentry BSR10 Safety relay and expansion relay with relay outputs 3NO+1NC, +24 VDC supply voltage and screw terminals.
For monitoring of safety devices, such as emergency stops, directly in the voltage supply circuit of the relay.
Also suitable as expansion relay for a safety relay/ safety PLC, in order to increase the number of safe outputs.

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.

Sentry BSR10

Sentry SSR10M Safety relay with relay outputs 3NO+1NC, 85-265 VAC/120-375 VDC supply voltage and screw terminals.
For monitoring of safety devices with contacts, 2 equivalent channels. 
Manual or automatic reset selectable by switch on front.

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.

Sentry SSR10M

NSL... contactor relays are used for switching auxiliary circuits and control circuits. The NSL..S contactor relays are the spring terminal version of the NSL... range. - Poles and auxiliary contacts blocks: 4-pole contactor relays, front-mounted add-on auxiliary contact blocks (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1 including the "Mechanically Linked" symbol on the contactor relay side) - Control circuit: DC operated with solid core magnet circuit. The polarity on the coil terminals (A1+ and A2-) must be respected - Accessories: a wide range of accessories is available NSL... contactors are fitted with low consumption DC coils and are suitable for a direct control by PLC outputs.

NSL31ES-81

Sentry BSR11 Safety relay and expansion relay with relay outputs 4NO, +24 VDC supply voltage and screw terminals.
For monitoring of safety devices, such as emergency stops, directly in the voltage supply circuit of the relay.
Also suitable as expansion relay for a safety relay/safety PLC, in order to increase the number of safe outputs.

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.

Sentry BSR11

NSL... contactor relays are used for switching auxiliary circuits and control circuits. - Poles and auxiliary contacts blocks: 4-pole contactor relays, front-mounted add-on auxiliary contact blocks (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1 including the "Mechanically Linked" symbol on the contactor relay side) - Control circuit: DC operated with solid core magnet circuit. The polarity on the coil terminals (A1+ and A2-) must be respected - Accessories: a wide range of accessories is available NSL... contactors are fitted with low consumption DC coils and are suitable for a direct control by PLC outputs.

NSL31E-81

Sentry TSR10 Safety relay with delayable relay outputs 3NO+ 1NC, +24 VDC power supply and screw terminals.
For monitoring of safety devices with contacts, 1 or 2 equivalent channels , and safety devices with OSSD outputs.
Timer function 0-999 seconds with a better accuracy than 1%: OFF-delay, ON-delay, Time bypass and Time reset.
A display on front facilitates configuration and troubleshooting by displaying error codes and error log. A custom configuration can be protected by password. 
Automatic reset function only.

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.

Sentry TSR10

Sentry SSR20 Safety relay with relay outputs 3NO+1NC, +24 VDC supply voltage and screw terminals.
For monitoring of two-hand devices.
Manual or automatic reset selectable by switch on front.

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.

Sentry SSR20

Sentry SSR42P Safety relay with relay outputs 2NO+2 delayed NO, +24 VDC supply voltage and push-in spring 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.

Sentry SSR42P

Sentry SSR32 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 0,5 second.

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.

Sentry SSR32

NSL... contactor relays are used for switching auxiliary circuits and control circuits. - Poles: 8-pole contactor relays (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1 including the "Mechanically Linked" symbol on the contactor relay side) - Control circuit: DC operated with solid core magnet circuit. The polarity on the coil terminals (A1+ and A2-) must be respected - Accessories: a wide range of accessories is available NSL... contactors are fitted with low consumption DC coils and are suitable for a direct control by PLC outputs.

NSL44E-81

2TLA010029R0000

A universal safety relay for many safety applications. Relay outputs 2NO

Sentry TSR20M Safety relay with delayed relay outputs 3NO+1NC, 85-265 VAC/120-375 VDC power supply and screw terminals.
For monitoring of safety devices with contacts, 2 equivalent channels.
OFF-delay time (0,5s or 1,5s) selectable by switch on the front.

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.

Sentry TSR20M

2TLA010061R0000   (TSR20)

ABB, 2TLA010061R0000   (TSR20), 
TSR20 is a safety expansion timer with delayed relay outputs, 3 NO + 1 NC, and a +24VDC power supply. The OFF-delay time (0,5s or 1,5s) is set with a switch on the front.

12TLA010051R0100

ABB, 12TLA010051R0100, SENTRY SSR20M 85-265 VAC/DC