Safety relay from Sick

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Safety relay from Sick

Sick 1091944 IME2S12-04B4DC0 Berührungslose Sich IME2S12-04B4DC0 IME2S12-04B4DC0 Berührungslose Sicherheitsschalter, IME2S, IME2S12-04B4DC0, Bauform: Zylindrisch, Schaltabstand Sn: 4 mm, Abmessungen: M12 x 65 mm, Nutzbare Gewindelänge: 40,9 mm, Einbau in Metall: Bündig, ...

Lieske Part No.: 1296376
Mfg Part No: 1091944
Type: IME2S12-04B4DC0

122,99 EUR

≈ £104.79 | ≈ $140.58

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.

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

► 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.

► 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.

Safety relay from Sick

Safety relay from Sick

Standards and Directives for Safety Relays

Performance Level vs. Safety Integrity Level

Single-Channel vs. Dual-Channel Evaluation

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