The A-K series waterproof and dustproof operating column is suitable for:

1. Environmental temperature -25 ° C to 55 ° C
2. The installation height shall not exceed 2000m above sea level.
3. Corrosion caused by strong acids, strong alkalis, salts, ammonia, chloride ions, and environments with high water, dust, and humidity.
4. Widely used in factories and enterprises such as petroleum, chemical, port, food, pharmaceutical, and military industries.

Product Features:
1. The shell is made of ZL102 aluminum alloy die-casting, with a lightweight structure and beautiful appearance.
2. The surface of the shell is acid washed and passivated, and then treated with high-voltage electrostatic spraying epoxy resin plastic for acid, alkali, and salt corrosion resistance. The anti-corrosion level is F1.
3. This product adopts a curved sealing structure and is directly fastened with fasteners, with good waterproof and dustproof performance and a protection level of IP65.
4. All exposed fasteners are made of stainless steel, and the seals are made of silicone rubber, which is oil resistant, acid resistant, alkali resistant, high temperature resistant and aging resistant.
5. This series of products is suitable for use in control circuits with AC 50Hz, voltage below 380V, DC to below 440V, and current within 10A. It is used for starting and stopping motors, control conversion, signal switching, instrument measurement display, etc. in work sites.
6. The interior components are finalized by our company.
7. The internal components mainly include universal conversion switches, buttons, ammeters, indicator lights, etc. Other instruments can be installed according to user requirements. It can achieve any combination of various components to meet user design requirements.
8. In general, the incoming and outgoing directions of this series of products are bottom in and bottom out, with cable wiring. If the user has any requirements or other special requests, please indicate them.
9. The factory nameplate of the product only reflects the content of the main unit, and the code of each sub unit is the ordering parameter.

Example of ordering
1. One button, one meter, one switch, with switch code A and a measuring range of 100/5
Marked as LNZ-A1B1K1
A1-III a
B1-1(100/5)
K1-1A
2. Two buttons, one meter, and two lights, with a measuring range of 200/5 and indicator lights of 220V, one red and one green. Both buttons have specifications of one normally open and one normally closed.
Marked as LNZ-A2B1D2
A2-2 I a
B1-1(200/5)
D2-1Rd1Gd


A-K series waterproof and dustproof operating column model meaning:


Main technical parameters: