# Benchtop DC Power Supply

## Benchtop DC Power Supply

##### Power Supply

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[![Tool image](https://wiki.spen.cc/uploads/images/gallery/2026-02/scaled-1680-/image-placeholder-title.avif)](https://wiki.spen.cc/uploads/images/gallery/2026-02/image-placeholder-title.avif)

<p class="callout warning">This tool can be used by members and non-members who are well-versed in the operation of the tool. Trainings can always be requested at #class-requests on Slack</p>

<table border="1" id="bkmrk-model-noms305d-%28equi" style="border-collapse: collapse; width: 43.6905%;"><colgroup><col style="width: 43.9779%;"></col><col style="width: 56.0221%;"></col></colgroup><tbody><tr><td>Model No</td><td>MS305D (equivalent)</td></tr><tr><td>Date Purchased</td><td>—</td></tr><tr><td>Status</td><td>Operational</td></tr><tr><td>Link To Manual</td><td>[MS305D reference (Aidetek)](https://aidetek.com/mm5/merchant.mvc?Screen=PROD&Store_Code=A&Product_Code=MS305D&Category_Code=Load)</td></tr><tr><td>Link to product page</td><td>— (unbranded; MS305D class)</td></tr></tbody></table>

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#### Description

Bench supply functionally equivalent to the **Aidetek MS305D** (30 V, 5 A). Set voltage and current limit before connecting loads. Use MS305D documentation if on-unit labels are unclear.

#### Specifications (MS305D class)

<table border="1" id="bkmrk-output-voltage0%E2%80%9330-v" style="border-collapse: collapse; width: 65%;"><tbody><tr><td>**Output voltage**</td><td>0–30 V DC (adjustable)</td></tr><tr><td>**Output current**</td><td>0–5 A (adjustable)</td></tr><tr><td>**Display**</td><td>Dual LED meters (V and A)</td></tr><tr><td>**Controls**</td><td>Coarse/fine voltage and current knobs</td></tr><tr><td>**Outputs**</td><td>Banana jacks (verify polarity before use)</td></tr></tbody></table>

#### Additional Resources

- [Aidetek MS305D reference](https://aidetek.com/mm5/merchant.mvc?Screen=PROD&Store_Code=A&Product_Code=MS305D&Category_Code=Load)