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S20
Safety Switch
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The S20 is a Safety Switch without guard interlocking, which can always be used when the dangerous movement has stopped before the entering person can reach the point of operation.
This is the case, for example, with machines and systems where the operator is protected from the point of operation with cages/grids or sliding doors, and a process or production interruption is essentially possible and may be required.
The S20 series Safety Switches have a housing made of fiberglass-reinforced plastic in accordance with protection rating IP 67. The models equipped with various contact sets enable integration in control circuits up to category 4 in accordance with EN ISO 13849. The swivel deflecting head and numerous actuators enable universal use of this Safety Switch.
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| Special features |
- Contact sets for integration up to category 4 in accordance with EN ISO 13849
- Easy mounting with standard construction
- Universal use with 5 actuator starting directions
- 8 different actuators for different installation conditions and applications
- Self-centering with funnel-shaped entry opening
- Protective insulation, tough non-flammable plastic
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| Important technical data, overview |
| Switch type |
Interlock device without guard interlocking in accordance with EN 1088 |
| Housing material |
Fiberglass-reinforced, thermo-plastic plastic, self-extinguishing |
| Contact allocation |
2NC  1NC + 1NO
1 NC + 1 NO
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| Switching principle |
Creep contact |
| Actuator, external |
AC-ANxx series: straight, angled, resilient, alignable |
| Approach actuation directions |
1 x above, 4 x side (90°) |
| Approach speed |
Max. 0.5 m/s |
| Connection system |
Number of cable entries |
1, 3 |
| Type of cable entries |
M20x1.5 |
| Protection rating |
IP 67 |
| Functions |
- Interlock device without guard interlocking in accordance with EN 1088
- Integration in control circuits up to category 4 in accordance with EN ISO 13849
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