Explosion-proof control button classification and use, open button:
generally used for switchgear, console, control panel. Protective
Buttons: With a Protective Housing to protect the internal parts
from mechanical damage or operator access to live parts. WATERPROOF
BUTTON: With sealed Shell to prevent rain water immersion, outdoor
use. EXPLOSION-PROOF BUTTON: Suitable for use in the environment
with explosive gas and dust, such as coal mine. Anticorrosive
button: It is suitable for use in the environment with corrosive
gas of chemical industry. Emergency Button: A large red mushroom
head protruding from the button nut, for the need to cut off
emergency power to use. Key Type Button: only with the key insert
button can be operated, to prevent the wrong action. Rotary Button:
operate the contact by hand and turn on or off the circuit. BUTTON
WITH LAMP: Button with indicator lamp, can also be used as
indicator lamp. SELF-HOLDING BUTTON: the Button is equipped with
self-holding device, which is usually operated by panel.
Application:
1, EXPLOSIVE GAS ENVIRONMENT DANGEROUS PLACES: 1,2,
2, combustible gas, Steam Grade: II A, II B, II C,
3, temperature category: t 6, * * *-25 °c + 40 °C, environment
medium relative temperature > 85% altitude does not exceed
2000 M.
4. Indoors and outdoors (IP65).
5. Bak31 explosion-proof electric hoist button is mainly used in
the control circuit of rated voltage 500V, 50Hz or 60Hz current 5A
and control voltage 42V. It is forbidden to use in the environment
of inflammable, explosive and dust medium.
6. The explosion-proof control button is safe and reliable
according to the national standard.
7, Bak31 explosion-proof electric hoist button and explosion-proof
crane supporting use. Such as LHBT explosion-proof electric
single-beam Crane,
LHBT explosion-proof electric double-beam suspension crane. Bak31
explosion-proof control button, Bak31 explosion-proof electric
hoist button, Bak63 explosion-proof contro
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