Industrial key switch KOV is designed for switching on and switching oﬀ the supply of electricity to drives and other electrical devices.
Switch KOV consists of a shell made of a press material including an enclosure and a cover connected to each other by screws.
The following component is installed inside the switch shell:
- Keys with a spring cam and a contact block with two spring-loaded cross members. The key has a protective edge to prevent accidental pressing.
- Plastic cable gland. The key switch can be equipped with one or two plastic cable glands of VK-P-VEL series: М16, М20, М25.
During the transportation and storage, plug is installed into cable gland, which is intended for the protection of inner part of enclosure against dust and moisture.
KOV – industrial key switch.
Х1 – switching diagram: 1 – “double-sided switch”(2 NO). 3 – “key switch”(1 NC + 1 NO).
Х2 – number of cable glands: 1 or 2.
Х3 – thread of plastic gland: М16, М20 or М25.
When using glands of VK-H-VEL series gland material, its type and dimension shall be indicated.
Х4 – type of climatic version and arrangement category: UHL2.
Example of order statement:
Example of designation for industrial switch with switching diagram“two-sided switch”, with one cable gland of VK-P-VEL-M25 type: KOV-1-1хМ25-UHL2.
Ingress protection IР66
Enclosure material plastic
Nominal voltage up to 400 VAC, up to 230 VDC
Alternating current frequency 50 or 60 Hz
Ambient temperature from - 60°C to + 45°C
Type of climatic version UHL2
Diameter of clamped cable depending on installed cable gland 4–8 mm – VK-P-VEL-M16, 7–12 mm – VK-P-VEL-M20, 8–17 mm – VK-P-VEL-M25
Terminal clamps 4х2,5 mm2
Number of technical conditions TU 16-89 IMShB.642254.017