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APL Series Limit Switch Box - Weatherproof Actuator Solutions from China Suppliers and Factory
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APL Series Limit Switch Box - Weatherproof Actuator Solutions from China Suppliers and Factory

The APL Series Limit Switch Box is a high-quality, compact, and weatherproof enclosure designed for reliable operation in various industrial applications. This product features internal adjustable position switches and an external visual indication, making it an ideal choice for quarter turn actuators and valves. With a NAMUR standard mounting and drive, the APL Series is perfect for customers looking for durable and efficient solutions from trusted China suppliers and factories, Key features of the APL Series Limit Switches include:, • Robust aluminum die-cast housing with a polyester powder-coated finish, ensuring durability and resistance to harsh environmental conditions, • A bolt-on visual position indicator for easy operation monitoring, • An innovative Quick-Set spring-loaded splined cam that eliminates the need for subsequent adjustments after the initial setup, allowing for easy tool-free settings, • Dual cable entries for flexible installation options, • Captive cover bolts to prevent loss during maintenance or inspections, • NAMUR standard stainless steel shaft and bracket, providing long-lasting performance and reliability, Choose the APL Series Limit Switch Box for your automation needs and experience the quality and efficiency that comes from leading suppliers and factories in China

    Specifications
    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° 0°~90° 0°~180° 0°~90° 0°~180° 0°~90° 0°~180°
    Closed: Red Open: Yellow
    Switches Mechanical Switches (Option: Proximity Sensor)
    Materials
    Part Material Details
    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
    Frequently Asked Questions (FAQ)

    What are the explosion-proof ratings for the APL series limit switch boxes?

    The APL-2N and APL-3N models feature an IP67 rating. The APL-4N features an IP67 Eexd II BT6 rating, while the APL-5N offers the highest protection with an IP67 Eexd II CT6 rating.

    What is the operating temperature range for these limit switch boxes?

    All models in the APL series are designed to operate reliably within a temperature range of 25° C to 85° C.

    What materials are used in the construction of the APL series?

    The housing cover and body are made of high-quality Aluminium die-casting. Internal parts like the shaft, spring, cover bolts, and earth lugs are made of Stainless Steel, ensuring excellent durability and corrosion resistance.

    What switch options are available for these models?

    The default setup features Mechanical Switches. However, Proximity Sensors are available as an optional alternative depending on your application requirements.

    How many terminal strips and conduit entries do these boxes have?

    They typically feature 8 terminal strips (with options for 9-24). Conduit entries range from 2×1/2″NPT for APL-2N up to 2×3/4″NPT for the APL-3N, APL-4N, and APL-5N models, with various PT and PF thread options available.