APL-4**N Series Limit Switch Box
Installation, Operation & Maintenance Manual
Doc No. : HumG-APL4-21 Rev.1
Page 9 / 12
Valve Automation Leader, HKC
⑥
Mechanical switch (2 SPDT), include signal unit
⑦
Mechanical Switch (2 SPDT) with output potentiometer
⑧
Mechanical Switch (2 SPDT) with current output signal
Caution
;
Grounding should be connected until all wiring had been completely.
Internal grounding wire square shall be min. 2SQ recommended.
External grounding wire square shall be min. 4SQ recommended
.
