Control buttons NEF30-UW, return, with a sealed extended button.
Control buttons of the NEF30 series with metal bodies are intended for installation in standardized Ø30.5mm holes, made in desks, control and signal boards, or directly into bodies of machines and equipment. They are manufactured in two climate designs: N/2 and W/3.
Buttons of the NEF30 type feature a modular construction and are delivered as complete products.
Check the variants of product and indexes in catalogue card.
| Parameter | Value |
| Insulation rated voltage Ui | 500V |
| Rated thermal current Ith | 10A |
| Rated voltages and switching currents per utilization category Ie
– Ue 230V/400V (AC15) |
6A / 4A |
| Rated impulse withstand voltage Uimp | 2500V |
| Limited withstand current | 1000A |
| Mechanical life: – for return drives – for knob-operated – for interlocked drives |
3 x 106 105 104 |
| Rated frequency of switching
– for return drives |
600 switches/h |
| Protection class for button drives
– NEF30-K, NEF30-W, NEF30-D, NEF30-DRP, NEF30-WR, NEF30-KL, NEF30-WL, NEF30-KLD, NEF30-WLD |
IP 55 |
| Cross-sections of terminals | 1x or 2x LY 0,75 – 1,5 mm2
1x or 2x DY 1,0 – 1,5 mm2 |
| Working temperature | N/2 -15…+30°C W/3 -30…+50°C |
| Working position | any |
| Minimum force for effective openning | 1,9N |
| Travel of effective openning | 2,3 mm |
