KMA SEALED PUSH-BUTTON SWTTCH

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10+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.