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  • 16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch
    16mm High Current 15A Metal Push Button Switch

    Product Overview
    The 16mm High Current 15A Metal Push Button Switch presents a compact yet powerful solution where space is limited but current demands are high. With a rugged metal body and enlarged silver contacts, it reliably handles up to 15 amps. The self‐locking mechanism ensures stable latching, while its thickened terminals reduce overheating during prolonged operation. Built for durability, it offers up to one million mechanical cycles, and its IP65 rating (customizable to IP67) shields the internal components from dust and water ingress.

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  • 19mm Big Current LED Stainless Steel Metal Pushbutton Switch
    19mm Big Current LED Stainless Steel Metal Pushbutton Switch
    19mm Big Current LED Stainless Steel Metal Pushbutton Switch
    19mm Big Current LED Stainless Steel Metal Pushbutton Switch

    Product Overview
    The 19mm Big Current LED Stainless Steel Pushbutton integrates a visual LED feedback with high current capacity, making it ideal for control panels where indication and robustness are equally important. Its stainless steel bezel delivers corrosion resistance and high‐end appearance, while its larger diameter improves user ergonomics. The LED integrated ring or center provides status indication, useful in dim or variable lighting conditions. Silver contacts are thickened to sustain elevated current loads, and the widened pins facilitate efficient current flow.

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  • 22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button
    22mm IP67 High Current Metal Push Button

    Product Overview
    The 22mm IP67 High Current Metal Push Button is engineered for harsher environments where water exposure or outdoor use is anticipated. With an IP67 rating, the switch is waterproof to immersion and fully dust‐tight, protecting internal contacts and mechanisms. Contacts are silver, thickened to minimize voltage drop and resist weld over during high current switching. The housing is heavy‐duty metal, enhancing resistance to deformation.

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  • 25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch
    25mm High Current Momentary/Latch Metal Push Button Switch

    Product Overview
    The 25mm High Current Momentary/Latch Metal Push Button is tailored for versatile control schemes requiring either momentary activation or maintained (latch) state, selectable per application. Its large 25mm size grants an assertive feel, easing use in operational contexts where fast and accurate responses are essential. The switch is designed to avoid welding deformation under repeated high load cycling. Optional waterproofing (IP65 to IP67) makes it well-suited for industrial automation, audio‐visual racks, or heavy equipment controls.

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  • 16mm Flat Head Big Current Push Button Switch
    16mm Flat Head Big Current Push Button Switch
    16mm Flat Head Big Current Push Button Switch
    16mm Flat Head Big Current Push Button Switch

    Product Overview
    The 16mm Flat Head Big Current Push Button Switch emphasizes sleek aesthetics without compromising power. Its flat head design is flush with the panel, reducing snagging while delivering high current capacity via thickened silver contact materials. The self‐locking or momentary mechanism options offer adaptability. With mechanical life up to one million operations, and protection to IP65 (or higher upon request), the switch balances form and function.

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  • 19mm High Current Luminous LED Metal Button Switch
    19mm High Current Luminous LED Metal Button Switch
    19mm High Current Luminous LED Metal Button Switch
    19mm High Current Luminous LED Metal Button Switch

    Product Overview
    The 19mm High Current Luminous LED Metal Button Switch combines visual signaling with toughness. Its luminous LED accent illuminates function or status, making it useful in dark, low‐visibility, or aesthetic settings. The metal bezel and body provide a premium texture and durability, while the enlarged silver contacts and thick pins support high currents without overheating. This switch is available in both latch and momentary styles; the LED may remain constantly lit or only illuminate when the switch is active.

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  • 22mm 20A Waterproof Metal Push-button Switch
    22mm 20A Waterproof Metal Push-button Switch
    22mm 20A Waterproof Metal Push-button Switch
    22mm 20A Waterproof Metal Push-button Switch

    Product Overview
    The 22mm 20A Waterproof Metal Push-button Switch is built for high‐power tasks in wet or outdoor environments. With a 20‐amp current rating, thickened silver contacts, and large, widened pins, it can manage substantial loads while maintaining low thermal stress. The waterproofing (often IP67 or higher) ensures that moisture, rain, or spray will not compromise performance. It may offer latch or momentary function, with optional LED indicators.

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  • 22mm IP68 Waterproof Stainless Steel Pushbutton Switch
    22mm IP68 Waterproof Stainless Steel Pushbutton Switch
    22mm IP68 Waterproof Stainless Steel Pushbutton Switch
    22mm IP68 Waterproof Stainless Steel Pushbutton Switch

    Product Overview
    The 22mm IP68 Waterproof Stainless Steel Pushbutton Switch raises environmental protection to the highest common standard: with IP68, it can withstand prolonged immersion in water, making it well suited for marine, outdoor, or wash‐down applications. The stainless steel construction delivers outstanding corrosion resistance, while thickened silver contact surfaces and robust internal structure guarantee high current performance and resistance to welding deformation. The larger 22mm diameter ensures easy handling, even under adverse conditions. Mechanical life is rated around one million cycles.

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  • 22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch
    22mm Installation Size 1NO1NC Push Button Switch

    Product Overview
    This 22mm push button switch is engineered for versatility and durability in industrial applications. Featuring a 1NO1NC contact configuration, it ensures reliable switching performance with a mechanical life of up to 1,000,000 cycles. Its IP67 waterproof rating at the key end makes it suitable for harsh environments. The switch offers options for two-color, three-color, and multi-color illumination, providing clear status indication. With a sleek metallic finish and ergonomic design, it combines functionality with aesthetic appeal.

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  • 25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch
    25mm Waterproof IP67 Stainless Steel Metal Pushbutton Switch

    Product Overview
    Designed for industrial settings, this 25mm pushbutton switch boasts a robust stainless steel construction, ensuring longevity and resistance to corrosion. The switch supports various voltage options (6V, 12V, 24V, 110V, 220V) and is available in multiple LED colors, including red, blue, green, yellow, and white, with options for two-color and three-color illumination. The sleek, high-end appearance and ergonomic design make it ideal for applications requiring both functionality and aesthetic appeal.

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Built to handle high electrical loads, our High Current Metal Pushbutton Switches are ideal for applications requiring the control of heavy machinery or high-power circuits. These switches feature reinforced contacts and are built to endure the stresses of high-current operations. With current ratings up to 20A and voltage ratings up to 250V, they are suitable for industrial and automotive applications. The robust construction ensures long-term reliability, even under demanding conditions. Protection ratings such as IP65 or IP67 provide resistance against dust and water ingress, ensuring reliable performance in challenging environments.

About Us
Zhejiang Wandu Electric Co., Ltd.

Zhejiang Wandu Electric Co., Ltd. is a professional enterprise that integrates research and development, production, and sales, focusing on providing customers with high-quality electrical products. As a China High Current Metal Pushbutton Switches suppliers and High Current Metal Pushbutton Switches factory, it has a strong R&D team, as well as well-established departments for mold development, design and development, and technical engineering.


Wandu Electric mainly produces various switch products such as metal button switches, metal indicator lights, metal emergency stop switches, knobs, keys, buzzers, etc. lts switch products have the characteristics of waterproof and dustproof, and are the only ones in the industry that have independently passed the airtightness test for metal button switches, ensuring the reliability of the product in various environments. The company provides switches and indicator lights with various installation diameters, including conventional series, high current series, waterproof series, and can be customized and developed according to customer needs.

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High Current Metal Pushbutton Switches Industry knowledge

How Does a High-Current Button Handle Electrical Load?

A High-Current Button is intended to switch circuits that carry significantly higher current than standard control signals. These buttons are commonly used in power distribution equipment, motor control panels, battery systems, and industrial machinery where currents can reach tens of amperes or more.

The key technical difference lies in the internal contact design. High-current buttons use thicker contact materials, optimized contact geometry, and stronger spring mechanisms to reduce contact resistance and manage heat generation during operation. This is important because excessive resistance at the contact point can cause localized heating, which may shorten component life or affect system stability.

Another consideration is switching frequency. High-current buttons are often used for infrequent but decisive actions, such as energizing a circuit or disconnecting a load. If frequent switching is required, users should carefully review the electrical life rating under load conditions rather than relying on mechanical life alone. Proper matching of voltage and current ratings to real operating conditions is one of the practical steps to reduce unexpected failures.

Why Is a Test Button Switch Used for System Verification?

A Test Button Switch serves a diagnostic role rather than a primary control function. It allows operators or maintenance personnel to simulate a specific condition without altering the normal operation of the system. This is especially useful in safety circuits, alarm systems, and monitoring devices.

For example, a test button may be wired to check whether an indicator lamp, buzzer, relay, or protective circuit responds as expected. By pressing the test button, users can confirm that the downstream components are functioning without waiting for an actual fault or event to occur. This reduces uncertainty during inspections and supports preventive maintenance routines.

From a design standpoint, test buttons are typically momentary and clearly labeled to avoid confusion with operational controls. The wiring logic is equally important: the test circuit should not bypass essential protections or create unsafe states. Engineers often design test functions so they temporarily introduce a known signal rather than forcing a full operational change. This approach balances verification needs with system safety.

What Makes High Current Metal Pushbutton Switches Different?

High Current Metal Pushbutton Switches combine two performance requirements: the ability to handle elevated current and the mechanical strength of a metal housing. The metal body is not merely cosmetic; it provides resistance to impact, vibration, and environmental exposure that can affect long-term operation.

In industrial or outdoor environments, metal housings help protect internal components from deformation and provide better resistance to dust, moisture, and temperature variation. Depending on the application, materials such as stainless steel or aluminum alloy may be selected to address corrosion concerns.

However, metal construction also introduces design considerations. Proper insulation between live parts and the housing is critical, as is grounding where required. Many high current metal pushbuttons are designed with reinforced insulation and sealing structures to meet relevant safety standards. Users should also pay attention to mounting torque and panel thickness, as metal-bodied switches often have tighter mechanical tolerances than plastic alternatives.

How Should Users Select the Right Button Type?

Choosing between these button types starts with understanding the function rather than focusing on appearance. If the circuit carries substantial current, the electrical rating and contact design take priority. When regular system checks are needed, a dedicated test button prevents misuse of operational controls. In physically demanding environments, metal housings support structural stability and consistent actuation.

It is also common to see overlap. A test button may still need to handle moderate current, or a high-current button may be built into a metal enclosure. Reviewing datasheets for current rating under specific voltage levels, duty cycles, and environmental conditions provides clearer guidance than relying on nominal ratings alone.