JD03-A1 4-Pin 30A Rocker Switch (250VAC) – Heavy-Duty Power Switch
The JD03-A1 4-Pin Rocker Switch is a high-performance, heavy-duty electrical switch designed for high-current applications such as inverter welding machines, industrial equipment, and power control systems. With a robust 30A current rating and support for up to 250VAC, this switch ensures reliable and stable operation under demanding conditions.
Its durable construction and precise ON/OFF mechanism make it an ideal replacement or upgrade for power tools and machinery requiring dependable switching performance.
Key Features
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Heavy-duty rocker switch with ON/OFF function
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High current capacity: up to 30A
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Supports 125V / 250VAC operation
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4-pin design for secure and stable connections
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Built for high-load equipment like welding machines
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Smooth switching with reliable contact performance
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Compact and easy panel mounting design
Technical Specifications
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Model: JD03-A1
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Switch Type: Rocker (ON/OFF)
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Rated Current: 30A
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Rated Voltage: 125V / 250VAC
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Pin Configuration: 4 Pins
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Contact Resistance: ≤ 50mΩ
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Insulation Resistance: ≥ 100MΩ
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Dielectric Strength: 1500VAC (1 minute)
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Electrical Life: Up to 50,000 cycles
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Temperature Rating: T85/55
Build & Durability
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High-quality plastic housing for insulation and strength
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Copper/silver alloy contacts for efficient conductivity
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Designed to withstand heavy electrical loads and frequent use
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Long operational lifespan for industrial environments
Applications
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Inverter welding machines
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Industrial equipment and machinery
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Power supply control panels
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DIY electrical and electronics projects
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Heavy-duty appliances
Why Choose This Switch?
The JD03-A1 rocker switch is engineered for reliability and high-current performance. Whether you're repairing a welding machine or building a power control system, this switch delivers consistent operation, durability, and safety—making it a trusted choice for both professionals and hobbyists.
