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- For switching of electric circuits, especially for resistive loads and three phase induction motors
- Number of contacts of SMC-2020:2
- Number of contacts of SMC-2004, SMC-2540, SMC-4040, SMC-6340 : 4
- Can be produced with closing and disconnecting contacts:
- SMC - 2020: 20, 11, 02
- SMC - 2004: 40, 31
- SMC - 25, SMC - 40: 40, 31, 22, 04
- SMC - 63: 40, 31, 22
- Protection degree IP 20 - for higher protection there are delivered screw covers
- DIN rail or panel mounting
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