3.3 Components and accessories
① 3SK1 safety relay (basic unit/expansion unit)
② Top cover ap
③ Bottom cover ap
④ Terminals, 3-pole, spring-loaded (push-in), 1 x 2.5 mm²
⑤ Terminals, 3-pole, screw-type, 1 x 2.5 mm²
⑥ Terminals, 2-pole, spring-loaded (push-in), 1 x 2.5 mm²
⑦ Terminals, 2-pole, screw-type, 1 x 2.5 mm²
⑧ Coding pins
⑨ Push-in lugs for wall mounting
⑩ Cover
⑪ Device connector for 3SK1 safety relay, 17.5 mm wide
⑫ Device connector for 3SK1 safety relay, 22.5 mm wide
⑬ Device termination connector for 3SK1 safety relay, 17.5 / 22.5 mm wide
⑭ Sealable cover
Description
3.3 Components and accessories
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
34 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
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