品牌:
LD38S-11系列钥匙按钮开关是LD38S-11派生的一个产品，其主要功能和型号对应（例如：LD38S-11Y/21），
LD表示企业代号，38表示设计序号，S表示螺纹型，11表示一开一闭，Y表示钥匙类型，21表示二档保持式。
主要型号有LD38S-11Y/21：二档保持式；
LD38S-11Y/22：二档自复式；
LD38S-20Y/31：三档保持式；
LD38S-20Y/33：三档自复式。
本产品符合GB/T14048.5;IEC60947-5-1标准
LD38S-11 series key button switch is a product derived from LD38S-11, with corresponding main
functions and models (e.g. LD38S-11Y/21). LD represents the enterprise code, 38 represents the
design serial number, S represents the threaded type, 11 represents one on one off, Y represents
the key type, and 21 represents the second gear holding type.
The main models are LD38S-11Y/21: two gear hold type;
LD38S-11Y/22： Second gear self resetting;
LD38S-20Y/31： Three level holding type;
LD38S-20Y/33： Three levels of self resetting.
This product complies with GB/T14048.5; IEC60947-5-1 standard
