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Safety relays

Safety relays

Items 25 - 36 of 256 from Siemens ⍾ Last modified Sep 7, 2025
▲ 3SK1 / Safety relays 3SK2 / Safety relays 3TK280 / Safety relays 3TK281 / Safety relays 3TK282 / Safety relays 3TK283 / Safety relays 3TK284 / Safety relays 3TK285 / Safety relays

Safety relays ⍾ Page 3

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Siemens – 3TK2845-2HB41
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3TK2845-2HB41 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 2S, RC DELAYED: 2, MK: 1, AUTO- U. MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,
Siemens – 3TK2845-2HB42
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3TK2845-2HB42 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 2S, RC DELAYED: 2, MK: 1, AUTO- U. MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,
Siemens – 3TK2850-2AL20
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3TK2850-2AL20 - Siemens
SIRIUS SAFETY RELAY WITH AUXILIARY CONTACTOR RELEASE CIRCUIT (RC), AC 230V, 90.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 3S, RC DELAYED: 0, MK: 0, AUTOSTART / MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE SIL: 2, PL: D
Siemens – 3TK2850-2AJ20
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3TK2850-2AJ20 - Siemens
SIRIUS SAFETY RELAY WITH AUXILIARY CONTACTOR RELEASE CIRCUIT (RC), AC 115V, 90.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 3S, RC DELAYED: 0, MK: 0, AUTOSTART / MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE SIL: 2, PL: D
Siemens – 3TK2845-2GB44
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3TK2845-2GB44 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 2S, RC DELAYED: 1, MK: 1, SOLENOID-LOCKED TUMBLER, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,
Siemens – 3TK2845-2HB44
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3TK2845-2HB44 - Siemens
SIRIUS SAFETY RELAY WITH REL.AND EL.ENABLING CIRC. (EC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, EC INSTANTANEOUS: 2S, EC DELAYED: 2, MC: 1, ENABLING SWITCH, BASIC UNIT, MAX.ACHIEV. PL TO EN13849-1: E, MAX. ACHIEV. SIL TO IEC61508:3,
Siemens – 3TK2850-2BB40
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3TK2850-2BB40 - Siemens
SIRIUS SAFETY RELAY WITH AUXILIARY CONTACTOR RELEASE CIRCUIT (RC), DC 24V, 90.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 3S, RC DELAYED: 0, MK: 0, AUTOSTART / MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE SIL: 2, PL: D
Siemens – 3TK2851-1AJ20
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3TK2851-1AJ20 - Siemens
SIRIUS SAFETY RELAY WITH AUXILIARY CONTACTOR RELEASE CIRCUIT (RC), AC 115V, 90.0MM, SCREW TERMINAL, RC INSTANT.: 2S, RC DELAYED: 0, MC: 1NC, AUTOSTART / MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE SIL: 2, PL: D
Siemens – 3TK2845-2DB44
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3TK2845-2DB44 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 2S, RC DELAYED: 2, MK: 1, MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,
Siemens – 3TK2845-2HB40
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3TK2845-2HB40 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 4S, RC DELAYED: 0, MK: 1, AUTO- U. MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,
Siemens – 3TK2845-2DB41
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3TK2845-2DB41 - Siemens
!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ 109747906) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm Spring-loaded terminal EC instantaneous: 2 NO EC delayed: 2 SC: 1 Monitored start Basic device Maximum achievable PL according to EN 13849-1: e Maximum achievable SIL according to IEC 61508: 3
Siemens – 3TK2845-2DB42
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3TK2845-2DB42 - Siemens
SIRIUS SAFETY RELAY WITH REL.- U. EL. RELEASE CIRCUIT (RC), DC 24V, 45.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 2S, RC DELAYED: 2, MK: 1, MONITORED START, BASIC DEVICE, MAX. ACHIEVABLE PL TO EN13849-1: E, MAX. ACHIEVABLE SIL TO IEC61508:3,