OVERVIEW ¡¡¡¡KMA sealed
push-button switch and FMKJ flame-proof switch
we manufacture are the same product, which is
named according to different consumers'
requirements. It is mainly used in flame-proof
"Green" refrigerators or other flame-proof
places. It works safely in cotrolling return
circuit.
WORKING PRINCIPLE
¡¡¡¡This switch has a sealed cavity, where a
set of switch contacts are installed. A piece of
permanent magnet is inlaid on the reed of active
contact. When the active permanent magnet moves
which is out of the cavity, it drives the reed
to make the active contact switch. Each outlet
is indicated by NC (Normal Close), NO (Normal
Open), L (Common Outlet). These three outlets
match special plugs, whose reference types
separately are STO-25Y-205N, STO-25Y-107N,
STJ-25Y-250N (consumer provide for himself). The
dimension of a hole for installing this switch
is 36.5 +1 ¡Á10 +0.5 (mm), the thickness of board
is 1-1.2mm.
TYPENAME
¡¡¡¡ KMA or FMKJ--namely, Sealed
Push-button Switch or Frame-proof Switch, the
same product with different name. There is no
other explanation for KMA or FMKJ. ¡¡¡¡
Reference connecting drawing as follows.
