The Differences Between APL-2N, APL-3N, APL-4N and APL-5N Series Limit Switch Box
The APL-2N series and APL-3N series are Waterproof Design
The APL-4N series and APL-5N series are Explosion-proof Design (Exd IIB T6).
APL-2N series limit switch boxes include APL 210, APL 211, APL 211, APL 213, APL 214, APL 215, APL 216, APL 217 and APL 218, a total of 9 models, including 10, 11, 12, 13, 14 , 15, 16, 17 and 18 respectively refer to the following meanings:
10: 2-SPDT
11: 3-SPDT
12: 4-SPDT
13: 2-SPST
14: 2-DPDT
15: 2-SPDT+Potentiometer
16: 2-SPDT+Signal Feedback
17: Low Temperature (-40℃)
18: High Temperature (+150℃)
The meanings of 10, 11, 12, 13, 14, 15, 16, 17 and 18 in the APL-3N series, APL-4N series and APL-5N series limit switch boxes are the same as those in the APL-2N series limit switch boxes.
