The Topward 3603D is a dependable benchtop DC power supply designed for electronics enthusiasts, students, and professionals. It offers adjustable voltage and current outputs, allowing users to power and test a wide range of electronic circuits and devices. The power supply includes a digital display for accurate monitoring of voltage and current levels, as well as overload protection to prevent damage to connected equipment. Its straightforward interface makes it easy to use for both beginners and experienced users.

Topward 3603D
The Topward 3603D is a reliable bench power supply providing stable and adjustable DC power for electronics testing and development. It features a clear digital display, overload protection, and user-friendly controls for precise voltage and current settings.
Product Condition & Availability
Topward 3603D is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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In stock
FedEx, UPS, USPS
Shipping world-wide available:
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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