3-stage functionEnabling function is active only in the second stage (middle position, actuating point). If the pushbutton is released or pushed further (panic function), the enabling is removed (dependent on the wiring, see function sequence).
Switching element
| 121 | 1NO + 2NC + 1NC |
Dimension drawing
Dimension drawing
121
Dimension drawingDimension drawing121
Technical dataApprovals
Mechanical values and environment
| Material | |
| Cap | Elastomer PAK arm, black |
| Housing material | Plastic, color black |
| Weight | |
| Net | 0,1 kg |
| Ambient temperature | -5 … 60 °C |
| Degree of protection | |
| On the front | IP65 |
| Connections | IP00 |
| Mechanical life | |
| Position 1-2-1 | min.0,1 x 106 cycles |
| Position 1-2-3-1 | min.0,1 x 106 cycles |
| Switching principle | Slow-action contact element |
| Mounting method | IEC 947-5-1 D30 |
| Installation orientation | Any |
| Number of positively driven contacts | 2 |
| Number of NC contacts | 1 |
| Number of NO contacts | 1 |
| Connection | Tab connector 2.8 x 0.8 IEC 760 + soldered connection |
Electrical connection ratings
| Rated conditional short-circuit current | 100 A |
| Utilization category according to EN 60947-5-1 | |
| AC-15 | 4A 230V |
| DC-13 | 3A 24V |
| Short circuit protection according to IEC 60269-1 | 4A gG |
| Rated insulation voltage Ui | 250 V |
| Rated impulse withstand voltage Uimp | 2,5 kV |
| Switching voltage | |
| at 10mA | min.12 V |
| Switching current | |
| at 24V | min.1 mA |
| Degree of contamination (external, according to EN 60947-1) | |
| Industry | 3 |
Other
| In compliance with | 60947-5-8 |
Reliability values according to EN ISO 13849-1
| Enabling switch | |
| B10D | 0,5 x 106 |
