Safety relay from ABB Automation
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Safety relay from ABB Automation
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ABB Automation 1SCA022812R7510 OTP125BA4M safety switch 4p 90 A 415V m.rt-yellow
ABB's safety switches in housings meet the equipment standard DIN EN 60947-3. The switches are suitable for use as repair and maintenance switches. Our range includes versions in plastic housings, ... Lieske Part No.: 331116 Mfg Part No: 1SCA022812R7510 Type: OTP125BA4M |
573,80 EUR 597,96 EUR
 ≈ £492.89 | ≈ $657.57
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ABB Automation 2TLA010040R0000 ABB Sentry BSR10 24VDC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950296 Mfg Part No: 2TLA010040R0000 Type: Sentry BSR10 |
-20% 198,50 EUR 247,50 EUR
≈ £170.51 | ≈ $227.48
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ABB Automation 2TLA010040R0200 ABB Sentry BSR11 24VDC safety/expansion relay 4 NO
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1349040 Mfg Part No: 2TLA010040R0200 Type: Sentry BSR11 |
-20% 198,50 EUR 247,50 EUR
≈ £170.51 | ≈ $227.48
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ABB Automation 2TLA010040R0201 SentryBSR11P SENTRY BSR11P SAFETY RELAY Relay outputs
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 673446 Mfg Part No: 2TLA010040R0201 Type: Sentry BSR11P |
-20% 217,45 EUR 271,14 EUR
≈ £186.79 | ≈ $249.20
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ABB Automation 2TLA010041R0600 ABB Sentry BSR23 24VDC expansion relay
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950297 Mfg Part No: 2TLA010041R0600 Type: Sentry BSR23 |
-20% 172,57 EUR 215,17 EUR
≈ £148.24 | ≈ $197.77
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ABB Automation 2TLA010041R0601 Sentry BSR23P Safety relay
Die Baureihe Sentry von ABB umfasst das gesamte Spektrum an Sicherheitsrelais, von Basismodellen für einfache Sicherheitsanwendungen oder zur Vervielfachung von Sicherheitsausgängen, bis hin zu ... Lieske Part No.: 874611 Mfg Part No: 2TLA010041R0601 Type: Sentry BSR23P |
-20% 189,52 EUR 236,31 EUR
≈ £162.80 | ≈ $217.19
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ABB Automation 2TLA010050R0000 ABB Sentry SSR10 24VDC safety relay relay outputs 3 NO +1
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1349054 Mfg Part No: 2TLA010050R0000 Type: Sentry SSR10 |
-20% 242,39 EUR 302,22 EUR
≈ £208.21 | ≈ $277.78
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ABB Automation 2TLA010050R0001 ABB Sentry SSR10P SENTRY SSR10P 24VDC SA relay outputs 3NO+1NC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1956027 Mfg Part No: 2TLA010050R0001 Type: Sentry SSR10P |
-20% 267,33 EUR 333,32 EUR
≈ £229.64 | ≈ $306.36
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ABB Automation 2TLA010050R0100 ABB Sentry SSR10M VAC/VDC safety relay
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950298 Mfg Part No: 2TLA010050R0100 Type: Sentry SSR10M |
-17% 308,23 EUR 373,12 EUR
≈ £264.77 | ≈ $353.23
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ABB Automation 2TLA010050R0101 SentrySSR10MP SENTRY SSR10MP SAFETY RELAY Relay outputs
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 673447 Mfg Part No: 2TLA010050R0101 Type: Sentry SSR10MP |
-17% 338,15 EUR 409,34 EUR
≈ £290.47 | ≈ $387.52
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ABB Automation 2TLA010051R0000 ABB Sentry SSR20 24VDC safety relay relay outputs 3 NO +1
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950299 Mfg Part No: 2TLA010051R0000 Type: Sentry SSR20 |
-20% 267,33 EUR 333,32 EUR
≈ £229.64 | ≈ $306.36
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ABB Automation 2TLA010052R0400 ABB Sentry SSR32 24VDC safety relay relay outputs 2 NO +2
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950300 Mfg Part No: 2TLA010052R0400 Type: Sentry SSR32 |
-17% 388,03 EUR 469,72 EUR
≈ £333.32 | ≈ $444.68
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ABB Automation 2TLA010052R0401 Sentry SSR32P Safety relay
Die Baureihe Sentry von ABB umfasst das gesamte Spektrum an Sicherheitsrelais, von Basismodellen für einfache Sicherheitsanwendungen oder zur Vervielfachung von Sicherheitsausgängen, bis hin zu ... Lieske Part No.: 874612 Mfg Part No: 2TLA010052R0401 Type: Sentry SSR32P |
-17% 429,92 EUR 520,43 EUR
≈ £369.30 | ≈ $492.69
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ABB Automation 2TLA010053R0400 ABB Sentry SSR42 24VDC safety relay relay outputs 2 NO +2
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950301 Mfg Part No: 2TLA010053R0400 Type: Sentry SSR42 |
-17% 388,03 EUR 469,72 EUR
≈ £333.32 | ≈ $444.68
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ABB Automation 2TLA010053R0401 Sentry SSR42P Safety relay
Die Baureihe Sentry von ABB umfasst das gesamte Spektrum an Sicherheitsrelais, von Basismodellen für einfache Sicherheitsanwendungen oder zur Vervielfachung von Sicherheitsausgängen, bis hin zu ... Lieske Part No.: 874613 Mfg Part No: 2TLA010053R0401 Type: Sentry SSR42P |
-17% 429,92 EUR 520,43 EUR
≈ £369.30 | ≈ $492.69
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ABB Automation 2TLA010060R0000 ABB Sentry TSR10 24VDC safety relay/timer
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1877149 Mfg Part No: 2TLA010060R0000 Type: Sentry TSR10 |
-17% 313,21 EUR 379,16 EUR
≈ £269.05 | ≈ $358.94
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ABB Automation 2TLA010061R0000 ABB Sentry TSR20 24VDC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1877150 Mfg Part No: 2TLA010061R0000 Type: Sentry TSR20 |
-20% 242,39 EUR 302,22 EUR
≈ £208.21 | ≈ $277.78
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ABB Automation 2TLA010061R0100 ABB Sentry TSR20M VAC/VDC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1877151 Mfg Part No: 2TLA010061R0100 Type: Sentry TSR20M |
-17% 315,21 EUR 381,57 EUR
≈ £270.77 | ≈ $361.23
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ABB Automation 2TLA010070R0000 ABB Sentry USR10 24VDC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1950302 Mfg Part No: 2TLA010070R0000 Type: Sentry USR10 |
-17% 368,08 EUR 445,57 EUR
≈ £316.18 | ≈ $421.82
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ABB Automation 2TLA010070R0400 ABB Sentry USR22 24VDC
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 1877152 Mfg Part No: 2TLA010070R0400 Type: Sentry USR22 |
-17% 513,71 EUR 621,86 EUR
≈ £441.28 | ≈ $588.71
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ABB Automation 2TLA010070R0401 SentryUSR22P SENTRY USR22P SAFETY RELAY Relay outputs
The Sentry series from ABB covers the entire spectrum of safety relays, from basic models for simple safety applications or for multiplying safety outputs, to highly flexible universal models with ... Lieske Part No.: 673448 Mfg Part No: 2TLA010070R0401 Type: Sentry USR22P |
-17% 563,59 EUR 682,24 EUR
≈ £484.12 | ≈ $645.87
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ABB Automation 2TLA019995R0000 JSHD4-1-AA 3-position enabling switch without LEDs, additional button and hand detection
Enabling devices are used for troubleshooting, programming and checking when no other safety devices are possible or suitable. The enabling device is hand-held and the operator can either press the ... Lieske Part No.: 321698 Mfg Part No: 2TLA019995R0000 Type: JSHD4-1-AA |
-17% 358,10 EUR 433,49 EUR
≈ £307.61 | ≈ $410.38
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ABB Automation 2TLA019995R0100 ABB ABB JSHD4-1-AC 3-position enabling switch without LEDs, additional buttons and hand recognition
Enabling devices are used for troubleshooting, programming and checking when no other safety devices are possible or suitable. The enabling device is hand-held and the operator can either press the ... Lieske Part No.: 1337294 Mfg Part No: 2TLA019995R0100 Type: JSHD4-1-AC |
-17% 400,00 EUR 484,21 EUR
≈ £343.60 | ≈ $458.40
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ABB Automation 2TLA019995R0200 ABB JSHD4-2-AB Type ABB
Enabling devices are used for troubleshooting, programming and checking when no other safety devices are possible or suitable. The enabling device is hand-held and the operator can either press the ... Lieske Part No.: 1336033 Mfg Part No: 2TLA019995R0200 Type: JSHD4-2-AB |
-17% 492,77 EUR 596,51 EUR
≈ £423.29 | ≈ $564.71
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Standards and Directives for Safety Relays
The selection and use of safety switching devices is clearly governed by international standards and EU directives.
| ISO 13849-1 – Performance Level Defines requirements for safety-related parts of control systems (SRP/CS). The standard specifies 5 Performance Levels (PL a to PL e) and describes how to calculate them using category, MTTF, DC and CCF. The primary standard for machine builders in the EU. | IEC 62061 – Safety Integrity Level Standard for safety-related electrical control systems in industry. Assesses safety functions via Safety Integrity Level (SIL 1 to 3) based on PFH values (probability of dangerous failure per hour). Used alongside or as an alternative to ISO 13849. | EN 60947-5-1 – Low-Voltage Switchgear Product standard for electromechanical control devices. Governs technical requirements for control and signalling circuits, switching devices and positively guided contacts. Basis for CE marking of safety relays. | ||
| Machinery Directive 2006/42/EC EU directive establishing essential health and safety requirements for machinery. Safety relays are frequently part of the evidence for the declaration of conformity. From 2027 it will be replaced by the Machinery Regulation (EU) 2023/1230. | IEC 61810-3 – Positively Guided Contacts Defines requirements for electromechanical elementary relays with positively guided contacts. The positive guidance ensures that NC and NO contacts can never be closed simultaneously – the fundamental principle of relay safety. | EN 574 – Two-Hand Controls Safety standard specifically for two-hand controls. Defines three types (I, II, III) with different levels of protection. Type III C (simultaneous actuation, anti-defeat) is the highest level and is required for presses and stamping machines. | ||
Performance Level vs. Safety Integrity Level
Both metrics describe the ability of a safety function to prevent a dangerous failure – calculated according to different standards.
| PL (ISO 13849) | SIL (IEC 62061) | PFH Range (failures/h) | Typical Application |
| PL a | – | ≥ 10⁻⁵ to < 10⁻⁴ | Simple guards, low risk categories |
| PL b | SIL 1 | ≥ 10⁻⁶ to < 10⁻⁵ | Simple guards, minor injury risk |
| PL c | SIL 1 | ≥ 10⁻⁷ to < 10⁻⁶ | Safety gates, simple guard rails, medium risks |
| PL d | SIL 2 | ≥ 10⁻⁸ to < 10⁻⁷ | Emergency stop, interlocked safety gates, light curtains |
| PL e | SIL 3 | ≥ 10⁻⁹ to < 10⁻⁸ | Highest requirements: presses, robot cells, ATEX zones |
Single-Channel vs. Dual-Channel Evaluation
The number of channels is decisive for the achievable Performance Level and fault tolerance of the safety function.
► Single-Channel Evaluation (Category B, 1, 2)
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⚠ Dual-Channel Evaluation (Category 3, 4)
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Related Categories in the Shop
Further products from the Industrial Relays and Contactors range at Industry-Electronics.
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► Industrial Relays Standard switching relays and coupling relays for general switching tasks in automation and control engineering. |
► Industrial Timing Relays Timing relays for start-up delays, run-down functions and cyclic control tasks in automation technology. |
► Contactors Power contactors and motor protection switches for safe switching of drives, motors and loads up into the kW range. |
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► Isolating Switches / Measuring Relays Transducer relays, monitoring relays and isolating amplifiers for process automation and plant engineering. |
► Electronic Components Electronic control and regulation modules, voltage monitors and control relays for industrial control tasks. |
► All Industrial Relays & Contactors To the complete range of the Industrial Relays and Contactors category with all sub-sections. |
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⚠ Safety Relay Technical Support
Uncertain about which safety relay is right for your application? Our technical team advises on device selection, Performance Level, wiring concepts and standards compliance – personally and without detours. +49 (0)7666 / 88499-0 | sales@industry-electronics.com |