| 編號 N.o | 構成 Composition | 代碼及含義 Code and definition |
| 1 | 開關類別 Switch category | LJ:電感式 inductance type LJC：電容式 capacitance type LJM:霍爾式 Hall type LJB:安全防爆式 safety explosion-proof type LJH:舌簧式 mimic linear type LJH:舌簧式 reedtype |
| 2 | 外形尺寸 Outward appearance code | 18:18mm 12:12mm 30:30mm |
| 3 | 外形代號 Outward appearance code | A 圓柱型 cylinder type A3 金屬外殼 metal shell A4 塑料外殼 plastil shell |
| 4 | 檢測距離 Detection distance | 1:1mm 5:5mm 8:8mm 10:10mm |
| 5 | 工作電壓 Working voltage | Z：6-36VDC Z1：30-65VDC J：90-250VAC J1：345-400VAC |
| 6 | 輸出狀態 Output state | B：常開(NO)Normally open(NO) A：常閉(NC)Normally close(NC) C：開閉(NO+NC)Normally open+normally close(NO+NC) |
| 7 | 輸出形式 Output form | X：三線直流NPN負邏輯輸出three-wire DC NPN output Y：三線直流PNP正邏輯輸出three-wire DC PNP output D：二線直流輸出 two-wire DC output J：交流二線輸出其不意AC two-wire output J1：繼電器輸出 Relay contact output NP：NPN+PNP雙輸出 NPN+PNP double output |
