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Bio-Rad PowerPac 200 & 300 Programmable Electrophoresis Power Supplies

UsedBio-RadElectrophoresisUnited States

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Voltage
5-200 V, fully adjustable in 1 V steps (PowerPac 200) 10-300 V, fully adjustable in 1 V steps (PowerPac 300)
Current:
0.01 A to 2.00 A, fully adjustable in.01 A steps (PowerPac 200) 5 mA to 400 mA, fully adjustable in 1 mA steps (PowerPac 300)
Timer
001 min–999 min, fully adjustable
Type of output
Constant voltage or constant current
Output terminals
4 pairs of recessed banana jacks in parallel
All 12 specifications
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Specifications 12

Brands
Bio-Rad
New/Used
Used
Voltage
5-200 V, fully adjustable in 1 V steps (PowerPac 200) 10-300 V, fully adjustable in 1 V steps (PowerPac 300)
Current:
0.01 A to 2.00 A, fully adjustable in.01 A steps (PowerPac 200) 5 mA to 400 mA, fully adjustable in 1 mA steps (PowerPac 300)
Timer
001 min–999 min, fully adjustable
Type of output
Constant voltage or constant current
Output terminals
4 pairs of recessed banana jacks in parallel
Operating conditions
0–40°C, 0–95% humidity in the absence of condensation
Safety features
No-load detection Sudden load change detection Ground leak detection Overload/short circuit protection Auto power up after a power failure
Input power (actual)
100/120 V model, 50/60 Hz
Dimensions (W x L x H)
8x12x4″
Weight
3 lbs

Product description

Programmable electrophoresis power supplies with 5–300 V output, constant voltage/current modes, and timer for molecular diagnostics.

The Bio-Rad PowerPac 200 and 300 electrophoresis power supplies deliver precise DC power essential for electrophoretic separation in molecular biology and biotechnology laboratories. Both models support constant voltage and constant current output modes, suitable for applications such as gene editing workflows, DNA/RNA electrophoresis, and protein analysis.

  • Voltage range:
  • PowerPac 200: 5–200 V, adjustable in 1 V increments
  • PowerPac 300: 10–300 V, adjustable in 1 V increments
  • Current range:
  • PowerPac 200: 0.01–2.00 A, adjustable in 0.01 A steps
  • PowerPac 300: 5–400 mA, adjustable in 1 mA steps
  • Timer: programmable from 1 to 999 minutes, facilitating precise run-time control
  • Output terminals: 4 pairs of recessed banana jacks wired in parallel for multiple gel runs or complex setups
  • Safety features: no-load detection, sudden load change detection, ground leak detection, overload and short-circuit protection, and automatic power resume after outages
  • Operating conditions: 0–40°C temperature tolerance, 0–95% humidity without condensation, ensuring reliable operation in various lab environments
  • Power input: compatible with 100/120 V, 50/60 Hz supply
  • Dimensions & weight: compact 8×12×4 inches chassis, weighing approximately 3 lbs, facilitating benchtop placement

Widely adopted in molecular diagnostics and bioprocessing labs, the PowerPac series supports synthetic biology research and biomanufacturing pipelines by providing reliable, programmable power for electrophoretic separations—critical in molecular cloning workflows and nucleic acid purification protocols.

These power supplies are known for their user-friendly interface, robust design, and flexibility, making them a critical component in the biotechnology and clinical research laboratory infrastructure.

Why Questpair exists

Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.

We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.

We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.

Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Can't find the exact configuration?

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Last updated 19 October 2026