Limit switches LK-30 and LK-40 in a metal enclosure.
Pull cord switch in a metal enclosure, with a mechanical locking (LK-30) or without locking (LK-40), NC/NO.
Produced in two climatic designs:
NC/NO (LK-30)
– for moderate climate use W0-59-353012
– for tropical climate use W0-59-353016
NC/NO (LK-40)
– for moderate climate use W0-59-354012
– for tropical climate use W0-59-354016
| Parameter | Value |
| Rated insulation voltage Ui | 500V |
| Rated switching voltage Ue | 500V AC 220V DC |
| Rated continuous current IU | 16A |
| Rated switched currents Ie | AC15 – 4A
DC13 – 0,5A |
| Rated impulse withstand voltage Uimp | 6 kV |
| Type and the highest rating of a safety device that protects against the effects of short-circuit current impact | fuse-element gG16A |
| Mechanical life (in cycles) | LK-30 0,8×104
LK-40 0,35×105 |
| Electrical endurance (switching) | LK-30 0,8×104
LK-40 0,35×105 |
| Limited withstand current | 1000 A |
| Force required to switch over [N] | min 165N |
| Rated frequency of switching per hour | 300 switches/h |
| Cross-sections of conductors | Single-wire 1,5 …4 mm2 Multi-wire 1,0 …2,5 mm2 |
| Speed of the drive element | 0,1 to 5 m/s |
| Ambient temperature | -25 to +40 °C |
| Protection class | IP 56 |
| Travel of effective opening | Min. 4,3 mm
Max. 6,5 mm |
| Operation of contacts | effective action |
