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DC Power Supplies

DC Power Supplies
Explore Tri-Tek Electronics' extensive collection of DC power supplies and transformers from leading manufacturers like Philmore, NTE, and PHC Enterprises. Our range includes versatile and reliable power solutions for telecommunications, industrial controls, and consumer electronics. Whether you need a compact power adapter or a high-capacity transformer, our selection provides quality and performance with full warranty coverage. Shop now to find the perfect DC power supply for your needs.

13 products


  • 3-12VDC Universal Power Adaptor Set 3-12VDC Universal Power Adaptor Set

    Hosa 3-12VDC Universal Power Adaptor Set

    1 in stock

    Hosa Technology ACD-477 3–12VDC Universal Power Adapter Set Universal DC Power Solution for Technicians, Hobbyists & Musicians The Hosa Technology ACD-477 is a highly versatile universal AC-to-DC adapter kit designed to power a wide range of small electronics. With selectable output voltages and interchangeable tips, it’s an essential tool for technicians, musicians, hobbyists, and installers who regularly work with different gear that requires various DC voltage inputs. Its compact design, broad input voltage range, and built-in safety features make it ideal for studio, field, and travel use. Tri-Tek Electronics is an authorized distributor of Hosa Technology products, offering full manufacturer warranty coverage, factory support, and competitive pricing. Visit our retail location in Mesa, Arizona to explore Hosa tools and accessories in stock. Key Features: Selectable DC Output Voltages: 3 V, 4.5 V, 6 V, 7.5 V, 9 V, or 12 V DC AC Input Voltage Range: 100–240 VAC, 50/60 Hz (auto-detect for international use) Multiple Interchangeable Tips: Includes six DC plugs to match a wide array of devices Polarity Selection: Easily adjustable for center-positive or center-negative configurations Status Indicator: LED power light shows when the unit is operating correctly Built-in Safety: Short circuit and overload protection included Compact Design: Lightweight with a folding AC plug for portability Technical Specifications: Specification Value Input Voltage 100–240 VAC, 50/60 Hz Output Voltage 3 / 4.5 / 6 / 7.5 / 9 / 12 VDC (selectable) Max Output Current Up to 1200 mA Plug Type Compatibility Includes 6 common DC barrel plug sizes Polarity Switchable (center-positive/negative) Ideal Applications: This adapter is perfect for: Musicians needing to power effects pedals or portable instruments Technicians working with test benches and small electronics Traveling users with international power requirements Hobbyists who require reliable DC power for projects and repairs Example Installation Scenario:A field technician troubleshooting audio equipment in a studio uses the ACD-477 to power different effects pedals and audio processors, saving space and avoiding the need to carry multiple dedicated adapters.

    1 in stock

    $27.95

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