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Siemens – 3TK2857-2BB42

SAFETY RELAYS ⍾ Siemens – 3TK2857-2BB42
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SIRIUS SAFETY RELAY WITH AUXILIARY CONTACTOR RELEASE CIRCUIT (RC), DC 24V, 90.0MM, SPRING-LOADED TERMINAL, RC INSTANT.: 0, RC DELAYED: 3S 0.5…30S, MK: 0, EXPANSION UNIT, MAX. ACHIEVABLE PL: AS GG, MAX. ACHIEVABLE SIL: AS GG,
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Related in 3TK285 / Safety relays ⍾ Page 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
Product details
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