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China APL Series Limit Switch Box - Compact, Weatherproof, Adjustable Position - Suppliers and Factory Direct
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China APL Series Limit Switch Box - Compact, Weatherproof, Adjustable Position - Suppliers and Factory Direct
China APL Series Limit Switch Box - Compact, Weatherproof, Adjustable Position - Suppliers and Factory Direct

China APL Series Limit Switch Box - Compact, Weatherproof, Adjustable Position - Suppliers and Factory Direct

The APL Series Limit Switch Box is a durable and weatherproof enclosure designed for optimal performance in various industrial applications. Manufactured in China, this compact unit features internal adjustable position switches and an external visual indication, making it ideal for mounting on quarter-turn actuators and valves. As a leading supplier in the industry, we ensure that our products meet NAMUR standards for mounting and drive, Key features of the APL Series Limit Switches include:, • Robust aluminum die-cast housing with a polyester powder-coated finish for enhanced durability, • A bolt-on visual position indicator that provides quick and easy status checks, • The innovative Quick-Set spring-loaded splined cam allows for effortless adjustments without the need for tools, ensuring consistent performance after the initial setup, • Dual cable entries for flexible installation options, • Captive cover bolts designed to prevent loss during maintenance, • NAMUR standard stainless steel shaft and bracket ensuring high reliability, Choose our APL Series Limit Switch Box to benefit from high-quality solutions directly from a trusted factory in China, meeting the demands of modern industrial applications
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    Product Detail

    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
    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 (FAQ)
    Q: What are the explosion-proof ratings for the APL series limit switch boxes?
    The APL-4N model is rated IP67 Eexd II BT6, and the APL-5N model is rated IP67 Eexd II CT6. The APL-2N and APL-3N models feature standard IP67 weatherproof protection.
    Q: What materials are used for the main construction of the housing?
    The housing cover and body are constructed from high-durability Aluminium die-casting, with stainless steel components such as the shaft, spring, housing cover bolts, and earth lug.
    Q: What is the operating temperature range for these limit switch boxes?
    The APL series limit switch boxes are designed to operate within a temperature range of 25° C to 85° C.
    Q: How do the position indicators display the valve status?
    The position indicators provide visual confirmation using color coding: Red indicates the Closed position, and Yellow indicates the Open position.
    Q: What options are available for the built-in switches?
    The standard configuration is equipped with Mechanical Switches. Proximity Sensors are available as an optional alternative configuration.
    Q: What type of conduit entries are supported by the APL-3N, 4N, and 5N models?
    These models support 2×3/4″NPT as standard, with options including PT3/4TF3/4″, PT3/4″PF3/4, or T3/4″PF3/4″ depending on the specific model selected.