Power Supplies

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Overview

Bio-Rad offers a complete line of high-quality electrophoresis power supplies for the most demanding electrophoretic techniques. From basic to high-voltage capacity, Bio-Rad power supplies provide simple programming in a compact, stackable case.

Power Supply Selection Guide

Technique and Recommended Apparatus	Gel or Tube Size,* Qty (W x L x Thickness)	Typical Conditions** (Initial)			Typical Conditions** (Final)			Run Time	PowerPac™ Power Supply
Technique and Recommended Apparatus	Gel or Tube Size,* Qty (W x L x Thickness)	W	V	mA	W	V	mA	Run Time	PowerPac™ Power Supply
Laemmli (SDS), O'Farrell Second Dimension (SDS)
PROTEAN^® II xi Cell	160 x 160 x 1.5 mm, 2 gels	—	100	35(C)	—	350	35(C)	5 hr	HV or Universal
PROTEAN II XL Cell	183 x 200 x 1.5 mm, 2 gels	—	100	35(C)	—	350	35(C)	5 hr	HV or Universal
Criterion™ Cell	133 x 87 x 1.0 mm, 2 gels	—	200(C)	200	—	200(C)	80	55 min	Basic or HC
Criterion™	133 x 87 x 1.0 mm, 2 gels	—	300(C)	224	—	300(C)	164	20–26 min	Basic, HV, or Universal
Mini-PROTEAN^® Tetra Cell	83 x 73 x 1.0 mm, 4 gels	—	200(C)	240	—	200(C)	120	35–45 min	Basic or HC
Mini-PROTEAN Tetra Cell	83 x 73 x 1.0 mm, 4 gels	—	300(C)	360	—	300(C)	228	15 min	Basic, HV, or Universal
Mini-PROTEAN Tetra Cell	83 x 73 x 1.0 mm, 4 gels	—	400(C)	456	—	400(C)	416	10 min	HV or Universal
High-Throughput Electrophoresis
PROTEAN Plus	200 x 205 x 1.0 mm, 12 gels	—	200(C)	1,000	—	200(C)	350	6 hr	HC or Universal
Dodeca™ Cell	250 x 205 x 1.0 mm, 12 gels	—	200(C)	1,000	—	200(C)	350	6 hr	HC or Universal
Dodeca™ Cell	256 x 230 x 1.0 mm, 12 gels	—	150(C)	1,200	—	150(C)	300	18–20 hr	HC or Universal
PROTEAN II xi/XL Multi-Cell	160 x 200 x 1.5 mm, 6 gels	—	150	480(C)	—	500	480(C)	5 hr	Universal
Criterion™ Dodeca™ Cell	133 x 87 x 1.0 mm, 12 gels	—	200(C)	1,000–1,400	—	200(C)	400–500	55 min	HC or Universal
Mini-PROTEAN^® 3 Dodeca™ Cell	83 x 73 x 1.0 mm, 12 gels	—	200(C)	600	—	200(C)	360	45 min	HC or Universal
IEF, O'Farrell First Dimension
PROTEAN II xi Cells	150 x 1.5 mm tubes, 4 (minimum)	—	800(C)	3.5	—	800(C)	<1	16 hr	HV or Universal
Mini-PROTEAN II Tube Cell	75 x 1.0 mm tubes, 8 (minimum)	—	750(C)	1	—	750(C)	<1	3–4 hr	HV or Universal
Preparative Electrofocusing
Rotofor^® Cell	60 ml focusing chamber	15(C)	500	24	15(C)	1,200	10	4 hr	HV
Mini Rotofor Cell	18 ml focusing chamber	12(C)	500	24	12(C)	1,200	10	4 hr	HV
MicroRotofor™ Cell	2.5 ml focusing chamber	1(C)	100	10	1(C)	500	2	<3 hr	HV or Universal
Preparative PAGE
Model 491 Prep Cell	—	10(C)	300	40	10(C)	400	30	3–8 hr	HV or Universal
Mini Prep Cell	—	1(C)	200	5	1(C)	300	3	3–8 hr	HV or Universal
Protein Electroelution
Model 422 Electro-Eluter	6 samples	—	200	60(C)	—	150	60(C)	3–4 hr	Basic, HV, or Universal
Whole Gel Eluter	160 x 140 mm or larger	—	15	200(C)	—	15	200(C)	20 min	Basic
Mini Whole Gel Eluter	55 x 65 mm or larger	—	10	100(C)	—	10	100(C)	20 min	Basic
Polyacrylamide Analytical Electrofocusing
Model 111 Mini IEF Cell	125 x 65 x 0.4 mm	—	100(C)	6	—	100(C)	4	15 min	HV or Universal
		—	200(C)	6	—	200(C)	4	15 min	Basic
		—	450(C)	4	—	450(C)	1	1 hr	Basic
DNA Restriction Analysis (Horizontal Mode)
Sub-Cell^® GT Cell	150 x 200 x 5 mm	—	80(C)	55	—	80(C)	60	4 hr	Basic or HC
Mini-Sub^® Cell GT Cell	70 x 100 x 5 mm	—	50(C)	25	—	50(C)	30	2 hr	Basic
Wide Mini-Sub Cell GT Cell	150 x 100 x 5 mm	—	50(C)	35	—	50(C)	40	2 hr	Basic
DNA Sequencing
Sequi-Gen^® GT System	380 x 500 x 0.4 mm	80(C)	1,850	30	80(C)	1,850	30	2–4 hr	HV
SSCP
Sequi-Gen GT System	210 x 400 x 0.4 mm	40(C)	1,800	20	40(C)	1,800	20	2–3 hr	HV
Microsatellite Mapping
Sequi-Gen GT System	210 x 400 x 0.4 mm	50(C)	2,100	25	50(C)	2,100	25	2–3 hr	HV
Mutation Detection
DCode™ System	100 x 75 x 1.0 mm, 2 gels	—	130(C)	—	—	130(C)	—	2.5 hr	Basic or HC
Western Blotting
Mini Trans-Blot^® Cell	83 x 73 x 0.75 mm, 2 gels	—	100(C)	250	—	100(C)	450	1 hr	HC
Criterion Blotter
Wire electrodes	133 x 87 x 1.0 mm, 2 gels	—	100(C)	250	—	100(C)	450	1 hr	HC
Plate electrodes	133 x 87 x 1.0 mm, 2 gels	—	100(C)	650	—	100(C)	1,600	30 min	HC
Trans-Blot^® Cell
Wire electrodes	200 x 160 x 1.5 mm, 1 gel	—	60(C)	210–250	—	60(C)	210—250	5 hr	HC
Plate electrodes	200 x 160 x 1.5 mm, 1 gel	—	100–150(C)	1,000–1,600	—	100–150(C)	1,000–1,600	1–5 hr	HC
High-Intensity Transfer	200 x 160 x 1.5 mm, 1 gel	—	50–100(C)	1,600	—	50–100(C)	1,600	30 min	HC
Trans-Blot Plus Cell	265 x 280 x 1.5 mm, 3 gels	—	100(C)	3,000	—	100(C)	3,000	30 min–1 hr	HC
Semi-Dry Blotting
Trans-Blot SD Cell
Protein	250 x 180 x 1.5 mm	—	15(C)	500	—	15(C)	200	15–30 min	HC
DNA/RNA	150 x 150 x 6 mm	—	15	650(C)	—	25	650(C)	10–30 min	HC

* Sizes shown are typical for the corresponding apparatus. For running conditions for additional sizes, see the product instruction manuals.

** (C) = constant. Typical conditions are listed as guidelines only and can vary based on sample, buffers, etc.

PowerPac™ Power Supply Comparison

	PowerPac Basic	PowerPac HC	PowerPac Universal	PowerPac HV
Output range (programmable)
Volts	10–300 V	5–250 V	10–500 V	20–5,000 V
Current	4–400 mA	0.01–3.0 A	0.01–2.5 A	0.01–500 mA
Power	75 W (maximum)	1–300 W	1–500 W	1–400 W
Type of output (with automatic crossover)	Constant voltage or constant current	Constant voltage, constant current, or constant power	Constant voltage, constant current, or constant power	Constant voltage, constant current, constant power, or constant temperature
Timer	1–999 min	1 min–99 hr, 59 min	1 min–99 hr, 59 min	1 min–99 hr, 59 min
Volt-hour control	No	No	Yes, 99,000 V-hr	Yes, 99,000 V-hr
Pause/resume function	Yes	Yes	Yes	Yes
Display	3-digit LED	16-character x 2-line LCD	128 x 64 pixel, backlit	128 x 64 pixel, backlit
Programmable methods	—	1 method up to 3 steps, no storage capability	Stores 9 methods, each with up to 9 steps	Stores 9 methods, each with up to 9 steps
Real-time clock	No	No	Yes	Yes
Automatic recovery after power failure	Yes	Yes	Yes	Yes
Data transfer/archiving	No	No	Yes, optional	Yes
Temperature control	No	No	No	Via temperature probe; 30–90°C ± 2°C
Microampere readout	No	No	No	Yes
Safety features	No-load detection; sudden load change detection, overload/short-circuit detection; overvoltage protection	No-load detection; sudden load change detection; groundleak detection, overload/short-circuit detection; overvoltage protection	No-load detection; sudden load change detection; groundleak detection, overload/short-circuit detection; overvoltage protection	No-load detection; sudden load change detection; ground leak detection, arc detection;overload/short-circuit detection; overvoltage protection
Operating conditions	0–40°C; 0–95% humidity	0–40°C; 0–95% humidity	0–40°C; 0–95% humidity	0–40°C; 0–95% humidity
Stackable	Yes	Yes	Yes	Yes
Number of output jacks	4 sets in parallel	4 sets in parallel	4 sets in parallel	4 sets in parallel
Regulatory	EN-61010, CE	EN-61010, CE	EN-61010, CE	EN-61010, CE
IQ/OQ protocols	No	No	Yes, optional	Yes, optional
Input power (actual)	90–120 or 198–264 VAC, 50/60 Hz, autoswitching	90–120 or 198–264 VAC, 50/60 Hz, autoswitching	90–120 or 198–264 VAC,50/60 Hz, autoswitching	90–120 or 198–264 VAC,50/60 Hz, autoswitching
Dimensions (W x D x H)	21 x 24.5 x 6.5 cm	25 x 28.5 x 8 cm	27.5 x 34 x 10 cm	27.5 x 34 x 10 cm
Weight	1.1 kg (2.4 lb)	2.0 kg (4.4 lb)	2.5 kg (5.5 lb)	2.85 kg (6.3 lb)

Category Products

PowerPac™ Universal Power Supply
The PowerPac Universal power supply fits the broadest range of applications of all electrophoresis power supplies on the market, from mini vertical and high-throughput electrophoresis to blotting.

PowerPac™ HC High-Current Power Supply
The PowerPac HC power supply is recommended for high-current applications. With an output of 250 V, 3.0 A, and 300 W, this electrophoresis power supply is perfect for western blotting with Bio-Rad blotting cells.

PowerPac™ HV High-Voltage Power Supply
The PowerPac HV electrophoresis power supply supports an output of 5,000 V, 500 mA, and 400 W. Suitable for all high-voltage applications, it is ideal for IEF and DNA sequencing.

PowerPac™ Basic Power Supply
This electrophoresis power supply is recommended for basic applications such as submerged horizontal and mini vertical gel electrophoresis. It offers timer control and constant-voltage or constant-current output.

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