# Mastech HY3003D-3 Power Supply - Adjustable DC Bench Power

The **Mastech HY3003D-3 Power Supply** is a reliable DC bench power supply ideal for laboratory testing, electronics development, and industrial automation. This power supply delivers adjustable voltage and current outputs with excellent stability and robust protection.

This power supply features high precision with low ripple and noise. The **Mastech HY3003D-3** is suitable for powering and testing electronic circuits and control systems. Benefit from Mastech’s quality for consistent operation and precise output control.

-   Adjustable output with independent voltage and current controls
-   Stable, low ripple performance for sensitive electronics
-   Built-in overload, over-voltage, and short-circuit protection
-   Clear digital display for real-time monitoring
-   Durable construction for laboratory and industrial use

**Specifications**

-   Manufacturer: Mastech
-   Model: HY3003D-3
-   Output Voltage: Adjustable DC up to 30 V
-   Output Current: Adjustable DC up to 3 A
-   Power Rating: Up to 90 W total output
-   Regulation: High precision with low ripple
-   Display: Dual digital meters for voltage and current
-   Protection: Overload, over-voltage, short-circuit safety
-   Construction: Sturdy bench-top enclosure

Supported by Mastech’s reputation for quality and accuracy, this power supply ensures consistent operation and precise output control. [Ram Automations](mailto:info@ramautomations.com) provides dependable performance, flexible adjustment, and essential safety protections.

## Details

- **Price:** 999.0 USD
- **Vendor:** Mastech
- **Type:** Electronics > Power Supplies > DC Power Supplies
- **Tags:** adjustable power supply, bench power supply, DC power supply, electronics testing, HY3003D-3, industrial automation, laboratory power supply, Mastech, power supply

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Mastech HY3003D-3 Power Supply - Adjustable DC Bench Power-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/mastech-hy3003d3-dc-power-supply)
> Updated: 2026-09-30