Safety relay from Euchner
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Safety relay from Euchner
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Euchner 028357 Riegel NZ/TZ-S1
Aluminum latch For left or right hinged doors. Ball handle at the bottom. Spring catch in open position Can be locked with padlocks in open position Actuator included in delivery Lieske Part No.: 607586 Mfg Part No: 028357 Type: RIEGEL NZ/TZ-S1 |
170,49 EUR 177,67 EUR
 ≈ £142.70 | ≈ $190.78
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 049102 TZ2RE024SR6 safety switch with magnetic latching
Auxiliary release on the front Two LED indicators, red and green Connector SR6 Actuator head mounted on the right Lieske Part No.: 109850 Mfg Part No: 049102 Type: TZ2RE024SR6 |
548,23 EUR 571,31 EUR
≈ £458.87 | ≈ $613.47
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 055408 ZSA2A2S05A consent switch
Lieske Part No.: 365093 Mfg Part No: 055408 Type: ZSA2A2S05A |
557,12 EUR 580,58 EUR
≈ £466.31 | ≈ $623.42
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 055411 ZSA2B2G10A approval switch
Lieske Part No.: 499471 Mfg Part No: 055411 Type: ZSA2B2G10A |
471,45 EUR 491,30 EUR
≈ £394.60 | ≈ $527.55
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 070752 ZSE2-2C1692 consent switch 2NO 1NC
3-stage function, 30.5 mm installation dimension, suitable for. B. for installation in hand-held control devices HBL or housing G2 or G3 Lieske Part No.: 741793 Mfg Part No: 070752 Type: ZSE2-2C1692 |
321,48 EUR 335,02 EUR
≈ £269.08 | ≈ $359.74
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 070762 ZSE2-4 approval button
Lieske Part No.: 590980 Mfg Part No: 070762 Type: ZSE2-4 |
349,35 EUR 364,06 EUR
≈ £292.41 | ≈ $390.92
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 082050 TZ1LE024M safety switch with magnetic latching
Lieske Part No.: 1572786 Mfg Part No: 082050 Type: TZ1LE024M |
489,57 EUR 510,19 EUR
≈ £409.77 | ≈ $547.83
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 082051 TZ1RE024M safety switch with magnetic locking
Lieske Part No.: 1572785 Mfg Part No: 082051 Type: TZ1RE024M |
489,57 EUR 510,19 EUR
≈ £409.77 | ≈ $547.83
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 082121 NZ1VZ-528EL220-M safety switch
Housing according to EN 50041 Cable entry M20 x 1.5 LED display Lieske Part No.: 163369 Mfg Part No: 082121 Type: NZ1VZ-528EL220-M |
159,54 EUR 166,26 EUR
≈ £133.53 | ≈ $178.53
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 082122 NZ1VZ-3131E-M safety switch
Housing according to EN 50041 cable entry M20 x 1.5 Lieske Part No.: 1237659 Mfg Part No: 082122 Type: NZ1VZ-3131E-M |
139,88 EUR 145,77 EUR
≈ £117.08 | ≈ $156.53
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 082123 NZ1VZ-2131E-M safety switch
Housing according to EN 50041 cable entry M20 x 1.5 Lieske Part No.: 1237658 Mfg Part No: 082123 Type: NZ1VZ-2131E-M |
139,88 EUR 145,77 EUR
≈ £117.08 | ≈ $156.53
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 083170 TZ1LE024M-C1684 safety switch with magnetic locking
Auxiliary release on the front Escape release on the rear with push button Two LED indicators, red and green Actuator head mounted on the left Lieske Part No.: 303781 Mfg Part No: 083170 Type: TZ1LE024M-C1684 |
536,08 EUR 558,66 EUR
≈ £448.70 | ≈ $599.87
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 083892 Riegel NZ-CB
Steel latch For left-hinged doors Ball detent in closed position Lockable with padlocks in open position Actuator included in delivery Lieske Part No.: 1237631 Mfg Part No: 083892 Type: RIEGEL NZ-CB |
317,55 EUR 330,92 EUR
≈ £265.79 | ≈ $355.34
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 083965 TZ1LE024MVAB safety switch with magnetic latching
Auxiliary release on the front Two LED displays, red and green Actuator head mounted on the left Lieske Part No.: 1237693 Mfg Part No: 083965 Type: TZ1LE024MVAB |
506,33 EUR 527,65 EUR
≈ £423.80 | ≈ $566.58
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 083966 TZ1RE024MVAB safety switch with magnetic latch
Auxiliary unlocking on the front Two LED displays, red and green Actuator head mounted on the right Lieske Part No.: 1217032 Mfg Part No: 083966 Type: TZ1RE024MVAB |
506,33 EUR 527,65 EUR
≈ £423.80 | ≈ $566.58
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084132 TP4-4131A024M safety switch
Hilfsentriegelung an der Frontseite Mit Türmeldekontakt Vergrößerter Nachlauf horizontal Lieske Part No.: 891249 Mfg Part No: 084132 Type: TP4-4131A024M |
264,54 EUR 275,68 EUR
≈ £221.42 | ≈ $296.02
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084142 TP3-2131A024M safety switch
Lieske Part No.: 1259231 Mfg Part No: 084142 Type: TP3-2131A024M |
264,54 EUR 275,68 EUR
≈ £221.42 | ≈ $296.02
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084145 TP4-2131A024M safety switch
Auxiliary release on the front With door signal contact Increased horizontal overrun Lieske Part No.: 323397 Mfg Part No: 084145 Type: TP4-2131A024M |
264,54 EUR 275,68 EUR
≈ £221.42 | ≈ $296.02
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084159 TP4-2131A024MC1787 safety switch
Lieske Part No.: 1572784 Mfg Part No: 084159 Type: TP4-2131A024MC1787 |
294,63 EUR 307,04 EUR
≈ £246.61 | ≈ $329.69
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084246 TZ1LE024RC18VAB-C1826 safety switch with magnetic latch
Lieske Part No.: 1572768 Mfg Part No: 084246 Type: TZ1LE024RC18VAB-C1826 |
594,40 EUR 619,42 EUR
≈ £497.51 | ≈ $665.13
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084247 TZ1RE024RC18VAB-C1826 safety switch with magnetic latch
Auxiliary release on the front Two LED indicators, red and green Connector M23 (RC18) Actuator head mounted on the right Lieske Part No.: 267785 Mfg Part No: 084247 Type: TZ1RE024RC18VAB-C1826 |
594,40 EUR 619,42 EUR
≈ £497.51 | ≈ $665.13
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084260 TP3-4121K024M safety switch
Auxiliary unlocking on the front With door alarm contact Increased overtravel when approaching horizontally and vertically Lieske Part No.: 1237607 Mfg Part No: 084260 Type: TP3-4121K024M |
268,13 EUR 279,42 EUR
≈ £224.42 | ≈ $300.04
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084275 TP4-4141A024M safety switch
Auxiliary unlocking on the front With door alarm contact Increased overtravel horizontally Lieske Part No.: 1237621 Mfg Part No: 084275 Type: TP4-4141A024M |
294,63 EUR 307,04 EUR
≈ £246.61 | ≈ $329.69
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Euchner 084280 TP6-4120A024M safety switch
Auxiliary unlocking on the front With door request contact Increased overtravel horizontally Lieske Part No.: 1237647 Mfg Part No: 084280 Type: TP6-4120A024M |
275,31 EUR 286,90 EUR
≈ £230.43 | ≈ $308.07
Made to order · Delivery time approx. 20 workdaysinfo_outline
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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 |