with Locking sleeve4 ContactsMounting depth 91 mm2 switch positionMounting hole 30.5 mmMounting mounting flangeup to 10 mm front plate thickness
| Product type description | WKTB321 |
| Article number (order number) | 101019539 |
| EAN (European Article Number) | 4030661610955 |
| eCl@ss number, version 12.0 | 27-37-14-04 |
| eCl@ss number, version 11.0 | 27-37-14-04 |
| eCl@ss number, version 9.0 | 27-37-14-04 |
| ETIM number, version 7.0 | EC000632 |
| ETIM number, version 6.0 | EC000632 |
| Standards | EN IEC 60947-5-1 EN IEC 60947-1 |
| Installation conditions (mechanical) | arbitrarily |
| Material of the front ring | Aluminium - anodised |
| Material of the bellows | Rubber |
| Material thickness of the sealing bellows | 1 mm |
| Colour of the front ring | Silver |
| Colour of the bellows | Black |
| Gross weight | 180 g |
| Return to zero position | Yes |
| External applications | Yes |
| Galvanically separated contact bridges | Yes |
| Locking sleeve | Yes |
| Probing possible | Yes |
| Number of auxiliary contacts | 4 |
| Number of directions | 2 |
| Number of normally open (NO) per direction | 2 |
| Number of switch positions | 2 |
| Number of switching stages | 2 |
| Latching position | left right |
| Mechanical life, minimum | 1,000,000 Operations |
| Actuating force, approx. | 11 N |
| Mounting | mounting flange |
| Termination | Screw terminals |
| Cable section, minimum | 0.5 mm² |
| Cable section, maximum | 2.5 mm² |
| Note | All indications including the conductor ferrules. |
| Mounting depth | 91 mm |
| Length of the actuator | 90 mm |
| Mounting diameter | 30.5 mm |
| Thickness, of the front panel, minimum | 1.5 mm |
| Thickness of the front panel, maximum | 10 mm |
| Diameter for the Installation to EN 60947-1 | 30.5 + 0.5 mm |
| Spacing | 80 x 80 mm |
| Degree of protection | IP65 IP67 |
| Ambient temperature | -25 ... +80 °C |
| Resistance to vibrations | 10 … 200 Hz, with 20 g |
| Restistance to shock | 110 g / 4 ms - 30 g / 18 ms |
| Rated insulation voltage Ui | 400 V |
| Rated impulse withstand voltage Uimp | 4 kV |
| Degree of pollution | 3 |
| Thermal test current | 10 A |
| Utilisation category AC-15 | 250 VAC |
| Utilisation category AC-15 | 8 A |
| Utilisation category DC-13 | 24 VDC |
| Utilisation category DC-13 | 5 A |
| Switching element | 2 NO contacts / 2 NO contacts |
| Switching principle | Slow action |
| Maximum switching frequency | 1,200 /h |
| Notice (switch position) | Position A, B |
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