SK20 OB11 Cam switches in enclosure
Cam switches in enclosure SK10/16/20 OB11
SK#-#\#
EAN:
| Rated insulation voltage Ue | 690 V |
| Rated withstand impulse voltage Uimp | 4 kV |
| Rated continuous current Iu=Ith | 25 A |
| Rated operational current Ie for AC-21A, AC-22A | 20 A (230/400/500/690 V) |
| Rated operational power Pe for AC-23A | 3.5 kW (230 V) 6 kW (400 V) 7.5 kW (500 V) 10 kW (690 V) |
| Rated operational power Pe for AC-3 | 2.5 kW (230 V) 4 kW (400 V) 5 kW (500 V) 7.5 kW (690 V) |
| Rated operational current Ie for DC-21A | 20 A (24 V) 10 A (110 V) 8 A (220 V) |
| Short-time short-circuit withstand current Icw(1s) | 0.25 kA |
| Rated short-circuit making current Icm | 0.34 kA |
| Rated conventional short-circuit current | 10 kA |
| Rated current fuse link gG | 20 A |
| Wire gauge | 1...4 mm² |
| Tightening torque, terminals | 0.5 Nm |
| Panel mounting | 31/□36 |
| Mechanical endurance | 3.0 mln (transposition cycles) |
| Ambient temperature | -40 ... +70°C (work) -40 ... +70°C (storage) |
| Protection level: PN-EN 60529 to the panel | IP65 |
| Protection level of OB enclosure | IP65 |
| Vibration test (acc. to IEC 60068-2-6) | 2...13, 2...100 Hz (frequency) ± 1 mm (acceleration amplitude) ±0.7 g (acceleration amplitude) |
| Shock test (acc. to IEC 60068-2-27) | 15 g (peak acceleration) 11 ms (impulse duration) |
| Damp heat cyclic test (acc. to IEC 60068-2-30) | 55°C (ambient temperature) 95% (relative humidity) |
| Salt mist cyclic test (acc. to IEC 60068-2-52) | severity 1 |
| Number of segments in the switch | 1 ... 4 |
| 1.825 | Disconnector 0-1 (1 - pole) |
| 1.828 | Disconnector 0-1 (2 - pole) |
| 2.8211 | Disconnector 0-1 (3 - pole) |
| 2.8210 | Disconnector 0-1 (4 - pole) |
| 3.8220 | Disconnector 0-1 (5 - pole) |
| 3.8210 | Disconnector 0-1 (6 - pole) |
| 4.8240 | Disconnector 0-1 (7 - pole) |
| 4.824 | Disconnector 0-1 (8 - pole) |
| 3.8368 | Reversing switch L-0-P |
| 4.8390 | 2-speed Dahlander switch |
| 4.831 | 3-phase starting switch 0-Y-∆ |
| 4.883 | Voltmeter selector switch |
| 2.4414 | Rotary disconnector 0-1 |
| 2.8445 | Control switch 0-1-2-3 |
| 1.834 | Disconnector 1-0-2 (1 - pole) |
| 2.8338 | Disconnector 1-0-2 (2 - pole) |
| 3.8380 | Disconnector 1-0-2 (3 - pole) |
| 4.8396 | Disconnector 1-0-2 (4 - pole) |
| 3.83139 | 2-speed switch 2 separate windings |
Assembly
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OB11
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OB11C
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OB11Z
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OB11ZC
