ORDER NO. 094169
| Order number | 094169 |
| Item designation | NZ1RS-3131-M-EX |
| Gross weight | 0,427kg |
| Customs tariff number | 85365019 |
Safety switch NZ.RS ATEX, steel roller ø 12 mm, roller plunger
- ATEX version
- Version C according to EN 50041 (steel roller ø 12 mm)
- Suitable for use in zones 2 and 22 (gases and dusts)
- Cable entry M20 x 1.5
Switching element
| 3131H | Slow-action switching contact 2 NC + 2 NO |
Electrical connection ratings
| Connection cross-section | 0.34 … 1.5 mm² |
| Rated insulation voltage Ui | 50 V |
| Rated impulse withstand voltage Uimp | 2.5 kV |
| Short circuit protection according to IEC 60269-1 | 4A gG |
| Switching current | |
| min. at DC 24V | 1 mA |
| Switching voltage | 12 V |
| Utilization category | |
| DC-13 | 4A 24V |
| AC-15 | 4A 50V |
| rated thermal current Ith | 4 A |
| Degree of contamination (external, according to EN 60947-1) | 3 |
Mechanical values and environment
| Approach speed | 0.1 … 20 m/min |
| Number of NO contacts | 2 |
| Number of door position positively driven contacts | 2 |
| Connection | |
| 1 x | Cable gland M20 x 1.5 |
| Degree of protection | IP67 |
| Material | |
| Contact | Silver alloy, gold flashed |
| Housing | Anodized die-cast alloy |
| Actuating element | |
| Slide bearing metal | Roller plunger |
| Actuating force | |
| at 20°C | 30 N |
| Mechanical life | 30 x 10⁶ |
| Installation orientation | any |
| Switching principle | Slow-action switching contact |
| Clamping range for cable | 6.5 … 12 mm |
| Roller diameter | 12 |
| Ambient temperature | -20 … +75 °C |
Reliability values acc. to EN ISO 13849-1
| Monitoring of the guard position | |
| B10D | 20 x 10⁶ |
Miscellaneous
| Explosion protection | |
| incl. cable gland | II3G Ex nR IIB T5 Gc X / II3D Ex tc IIIC T100°C Dc |