The Tenma 72-4045A is a reliable benchtop DC power supply designed for a wide range of electronic applications. It provides a single, adjustable output, allowing users to set both voltage and current limits. This power supply is well-suited for powering circuits, testing components, and troubleshooting electronic devices. The clear LED displays show the output voltage and current simultaneously, ensuring accurate monitoring. It offers essential protection features such as overload and short circuit protection to safeguard connected devices. Its robust construction ensures durability and long-term reliability in any electronics lab or workspace.

Tenma 72-4045A
The Tenma 72-4045A is a high-quality, general-purpose benchtop power supply. It features a single output channel with adjustable voltage and current. Ideal for electronics prototyping, testing, and repair.
Product Condition & Availability
Tenma 72-4045A 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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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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