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Russian manufacturer of explosion-proof electrical equipment

Explosionproof key switch KVV

Large convenient button
Three diagrams of circuit breaker switching
Nine variants of equipping with cable entries
Certificate Type Product Description Certificate
Permits of the Republic of Kazakhstan KVV


Explosionproof key switch KVV is intended for turning power on and off for drives and other electrical devices in explosion hazardous areas according to the explosion protection marking.


  • Due to the labyrinth sealing of the body cover, high level of protection from moisture and dust is ensured.
  • Materials used to make the device are distinguished by high degree of reliability and have proven effective in internal and external installation on chemical plants and devices operating in open sea.
  • The switch is equipped with a key having a large operating surface that allows its switching without removing protective gloves. The device has a protective shoulder to prevent unintended switching.
  • The switch is equipped with a lever having a light plate without radioactive additives. Turning the lower part enables to move the wire gland to the upper side.


The key switch consists of a body, a cover, a key with a spring cam and a contact block with two spring-loaded cross members. The key is fixed in the cover. The contact block with screw clamps is located inside the body. The cover has a protective shoulder to prevent unintended switching. The key switch can be equipped with one or two cable glands. Alternatives for equipping with cable glands are shown below.

Client Technical Support Service: 8 800 200 62 22
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Зеленокумск Ставропольский кр., ул. Вэлановская, 1 357911 +7 (495) 134-16-51 +7 (812) 213-35-77