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APL Series Limit Switch Box

Pneumatic Accessories

APL Series Limit Switch Box

The APL Series Limit Switch Box is a compact, weather proof enclosure with internal adjustable position switches and an external visual indication. It has NAMUR standard mounting and drive, and is ideally suited for mounting on to quarter turn actuators and valves.

The APL Series Limit Switches features:

• Solid and compact design aluminium die-cast housing with polyester powder coated finish.

• Bolt-on Visual Position Indicator.

• “Quick-Set” spring loaded splined cam. No need to adjust again after initial setting. Easy setting without tools.

• Dual cable entries.

• Captive cover bolts to prevent loss when cover is removed.

• NAMUR standard stainless steel shaft and bracket.

    Model APL-2N APL-3N APL-4N APL-5N
    Standard Option Standard Option Standard Option Standard Option
    Enclosure Explosion proof IP67 IP67 Eexd II BT6 IP67 Eexd II CT6
    Temperature Range 25° C〜85 ° C
    Conduit Entries 2×1/2″NPT PT 1/2″PF1/2 2×3/4″NPT PT3/4TF3/4″ 2×3/4″NPT PT3/4″PF3/4 2×3/4″NPT T3/4″PF3/4″
    Terminal Strips 8 8 9-24 8 9-24 8 9-24
    Position Indicators 0° -90 ° 0° -180° 00 -90。 00 780° 00 -90 ° 0° -180° 0 00 -90 ° 00 780°
    Closed: Red, Open: Yellow
    Switches Mechanical Switches (Option:Prpximity Sensor)


    Housing Cover & Body Aluminium die-casting
    Shaft Stainless Steel
    Indicator Cover Polycarbonate
    Indicator ABS/Polycarbonate
    Cam Polycarbonate
    Spring Stainless Steel
    Housing Cover Bolt Stainless Steel
    O-Ring NBR
    Bushing Bronze
    E-Ring (shaft) Stainless Steel
    Earth Lug Stainless Steel
    Bracket Carbon Steel Powder coated