EUCHNER STA4A-4121A024MF-EX ; 123076
Safety switch STA with door monitoring contact, ATEX ATEX version Suitable for usage in zone 2 and 22 (gases and dusts) Auxiliary release on the front With door...
Price on request
Safety switch STA with door monitoring contact, ATEX
- ATEX version
- Suitable for usage in zone 2 and 22 (gases and dusts)
- Auxiliary release on the front
- With door monitoring contact
Approvals
Mechanical values and environment
| Housing material | Die-cast alloy |
| Weight | |
| Net | 0,6 kg |
| Ambient temperature | -20 ... 75 °C |
| Degree of protection | IP67 |
| Mechanical life | 1 x 106 |
| Contact material | Silver alloy, gold flashed |
| Switching principle | Slow-action switching contact |
| Installation orientation | Any |
| Number of door position NC contacts | 1 |
| Number of door position NO contacts | 1 |
| Number of guard lock monitoring positively driven contacts | 2 |
| Connection | |
| 3 x | Cable gland M20 x 1.5 |
| Clamping range for cable | 6,5 ... 12 mm |
| Approach speed | max.20 m/min |
| Actuation frequency | max.1200 1/h |
| Guard locking principle | Open-circuit current principle |
| Locking force Fmax | 3000 N |
| Locking force FZh | 2300 N |
| Retention force | 20 N |
| Extraction force | 30 N |
| Actuating force | 35 N |
| Insertion depth | min.24,5 mm |
Electrical connection ratings
| Thermal rated current Ith | 4 A |
| Utilization category according to EN 60947-5-1 | |
| AC-15 | 4A 50V |
| DC-13 | 4A 24V |
| Solenoid operating voltage | |
| AC/DC | 24 V -15% ... +10% |
| Short circuit protection according to IEC 60269-1 | |
| (Fuse) | 4A gG |
| Rated insulation voltage Ui | 50 V |
| Rated impulse withstand voltage Uimp | 2,5 kV |
| Switching voltage | |
| Min. at 10mA | 12 V |
| Switching current | |
| Min. at 24V | 1 mA |
| Power consumption | 8 W |
| Solenoid duty cycle | 100 % |
| Connection cross-section | 0,34 ... 1,5 mm² |
Other
| Explosion protection | |
| incl. cable gland | II3G Ex nR IIB T4 Gc X /II3D Ex tc IIIC T110°C Dc X |
Reliability values according to EN ISO 13849-1
| Monitoring of guard locking and the safety guard position | |
| B10D | 11,5 x 106 |
In combination with Actuator BETAETIGER-S-G-SN-C2115
Mechanical values and environment
| Overtravel | 5 mm |
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Safety Switches Ex - Catalogue
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Safety Switches Ex - Manual
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