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APL Series Limit Switch Box - Compact, Weatherproof, for Quarter Turn Actuators - China Suppliers & Factory
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APL Series Limit Switch Box - Compact, Weatherproof, for Quarter Turn Actuators - China Suppliers & Factory
APL Series Limit Switch Box - Compact, Weatherproof, for Quarter Turn Actuators - China Suppliers & Factory

APL Series Limit Switch Box - Compact, Weatherproof, for Quarter Turn Actuators - China Suppliers & Factory

The APL Series Limit Switch Box is a compact and weatherproof enclosure designed for reliable performance in various industrial applications. Featuring internally adjustable position switches and an external visual indication, this product is engineered to meet NAMUR standard mounting and drive specifications. It is particularly well-suited for installation on quarter-turn actuators and valves, **Key Features of the APL Series Limit Switches:**, - Made from solid, compact aluminum die-cast housing with a durable polyester powder-coated finish, ensuring long-lasting performance, - Equipped with a bolt-on visual position indicator for easy reference, - Utilizes a Quick-Set spring-loaded splined cam that allows for simple, tool-free adjustments after the initial setup, - Dual cable entries enhance versatility and convenience in installation, - Captive cover bolts prevent loss when the cover is removed, promoting ease of maintenance, - Constructed with NAMUR standard stainless steel shafts and brackets for durability and reliability, As a leading manufacturer in China, we pride ourselves on delivering high-quality limit switch solutions. Partnering with trusted suppliers and operating a state-of-the-art factory, we ensure our products meet rigorous industry standards, providing exceptional value and performance for your automation needs
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    Product Detail

    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 Component Material Specification
    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
    1-5hdo
    1-6qxn
    Frequently Asked Questions
    What are the explosion-proof ratings for the APL series limit switch boxes?
    The APL-2N and APL-3N models feature an IP67 weatherproof enclosure. The APL-4N is rated IP67 Eexd II BT6, while the APL-5N model offers the highest protection class rated at IP67 Eexd II CT6.
    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 for the main body housing and internal shaft?
    The housing cover and body are manufactured from robust die-casting aluminium, while the shaft is constructed from high-durability stainless steel.
    What conduit entry sizes are available for the different models?
    The standard conduit entry for the APL-2N is 2×1/2″NPT (with PT 1/2″PF1/2 option). For the APL-3N, APL-4N, and APL-5N models, the standard entry size is 2×3/4″NPT with various PT and PF options.
    What type of switches and position indicators are used?
    The units are equipped with standard Mechanical Switches (with an option for Proximity Sensors). The position indicators support angles of 0°~90° or 0°~180°, showing Red for Closed and Yellow for Open.