APL-2 Series Limit Switch Box
Installation Operation & Maintenance Manual
Doc No. : HUMG-APL2-16 Rev0 Page 3 / 10 Valve Automation Leader HKC
1 General
HKC APL series limit switch box is designed to provide accurate and reliable valve position signaling and
indicating of most valves or actuators manufactured.
APL limit switch box consists of a visual position indicator, quick-set cam ass’y, terminal strip, switch ass’y and
easy mounting bracket. Quick-set cam allows for a quick and simple hand operation in the setting of switches.
2 Ordering Information
APL - 2 1 0 N
① ② ③
① Enclosure type
l 2 : Weather proof
② Switch type
l 10 : 2-SPDT (Wonwoo : SZM-V16-5FA-61)
l 13 : 2-SPST (Wonwoo : SZM-V16-5FA-61)
l 20 : Proximity Sensor (P&F : NJ2-V3-N)
l 23 : Proximity Sensor (P&F : NBB2-V3)
③ Enclosure Material
l N : Aluminum Die-casting
3 Standard specification
Model APL-2..N
Enclosure Rated Weatherproof IP67/NEMA4&4X (Standard) IP68(Option)
Enclosure High grade aluminum alloy
Ambient Temperature -20 ℃ ~ + 80 ℃
Conduit Entries Standard: Two 1/2" NPT, Option: PF1/2”, PT1/2”, M20, PG13.5
Travel Angle 90 degree +/- 10%
Position Indicator Open : Yellow, Close : Red
Language : English (option : French, German)
Switch Mechanical switch : Wonwoo Starion
Proximity sensor : P&F
Terminal Strip 8 point (option : 9~14P)
External Coating Thermally hardened polyester powder coating, KARUMEL PX8576
4 Marking
n HKC Logo
n Model (APL-2..N)
n Micro Switches type
n Manufactured (YY-MM)
n CSA type 4X
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