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Have you checked how your performance power supplies compare lately?

The new UNILAB Lockmaster power supply is designed specifically for education and delivers exceptional performance for a range of KS2-KS5 practicals.

Latest technology Lightweight Stackable Fully safety EMC certified
2 year warranty Exceptional value for money

Unilab Lockmaster
Power Unit


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Voltage Range
0-12V


Continuous max current
5A


Outputs
Independent 1x AC 1x DC


Overload Safety
Yes


Voltage Limit Lock
Yes


Voltage Steps
0.1V


Screen
Yes


Dimensions (WxLxH) mm
160x230x105


Weight
1.5kg

PC Varivolt power
supply

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Voltage Range
6V, 12V AC, 0-15 DC


Continuous max current
6A


Outputs
Simultaneous 1x AC 1x DC


Overload Safety
Yes


Voltage Limit Lock
No


Voltage Steps
Continuously variable


Screen
No


Dimensions (WxLxH) mm
225x220x110


Weight
4.75kg

IPC Irwin Dual
Output PSU

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Voltage Range
2V, 4V, 6V, 12V AC,
0-24V DC


Continuous max current
4A AC, 3A DC


Outputs
Independent 1x AC 1x DC


Overload Safety
Yes


Voltage Limit Lock
No


Voltage Steps
4 discrete values AC, continuously variable DC


Screen
No


Dimensions (WxLxH) mm
179x190x85


Weight
2.9kg

Lascells Precision Variable Power Supply

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Voltage Range
6V, 12V AC,
0-15V DC


Continuous max current
1.5A AC, 8A DC


Outputs
Independent 1x AC 1x DC


Overload Safety
Yes


Voltage Limit Lock
Yes


Voltage Steps
2 discrete values AC, continuously variable DC


Screen
Yes


Dimensions (WxLxH) mm
125x175x230


Weight
2.2kg

Frederiksen Power Supply
1-12V


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Voltage Range
1-12V


Continuous max current
6A


Outputs
Simultaneous 1x AC 1x DC


Overload Safety
Yes


Voltage Limit Lock
No


Voltage Steps
1V


Screen
No


Dimensions (WxLxH) mm
225x185x118


Weight
3.5kg

IPC Irwin Powerbase
V8


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Voltage Range
0-16V AC, 0-20V DC


Continuous max current
8A


Outputs
Not available


Overload Safety
Yes


Voltage Limit Lock
Yes


Voltage Steps
Continuous


Screen
No


Dimensions (WxLxH) mm
225x185x118


Weight
Not available

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Recommended products for you

OUR MISSION.

We are the champions of the technicians and teachers
working in secondary schools and colleges.

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POWER SUPPLIES.

The cornerstone of durability and reliability for lab power. Now relaunched with cutting edge technology. UNILAB power supplies are engineered for KS2-KS5 science practicals.

FAQs about Powering Practical Science: Check out how the UNILAB Lockmaster Compares 2025.

What is Powering Practical Science: Check out how the UNILAB Lockmaster Compares?

Powering Practical Science: Check out how the UNILAB Lockmaster Compares is a campaign where the features, benefits and price of comparable power supplies by Lascells, IPC. Irwin and Fredriksen are compared. Prices are presented as a range from these power supplies resellers: Timstar, SLS, Better Equipped, Breckland and Vitta Education.

What power supplies do we compare? 

UNILAB War of the Power Supplies includes power supplies by Lascells, IPC. Irwin and Fredriksen.
All Lascells, IPC. Irwin and Fredriksen power supplies in our campaign are compared to the UNILAB Lockmaster power supply and meet the same need or intended purpose.  

What prices do you compare?

We look at the price Timstar, SLS, Better Equipped, Breckland or Vitta Education charge for the power supplies by Lascells, IPC. Irwin and Fredriksen and present this as a price range. We don't compare against any promotional prices, online discounts, price match promises or rep discounts from Timstar, SLS, Better Equipped, Breckland or Vitta Education.
We compare prices on a pro rata basis. That means that where there is a price break for power supplies purchased between the UNILAB Lockmaster power supply and the comparable Timstar, SLS, Better Equipped, Breckland or Vitta Education price for the Lascells, IPC. Irwin and Fredriksen, we present these options as part of the price range. In this way, we can be confident we are comparing the Timstar, SLS, Better Equipped, Breckland or Vitta Education price range on a genuine “like for like” basis.

What prices do we check for our Powering Practical Science: Check out how the UNILAB Lockmaster Compares campaign?

We check the prices Timstar, SLS, Better Equipped, Breckland or Vitta Education charge for the power supplies by Lascells, IPC. Irwin and Fredriksen online at least once a week. Prices were first checked on 5th November 2025. We do not compare against any promotional prices, online discounts, price match promises or rep discounts from Timstar, SLS, Better Equipped, Breckland or Vitta Education.

Where can I find Powering Practical Science: Check out how the UNILAB Lockmaster Compares price and specification?

You can find the UNILAB Lockmaster power supply compared to the Lascells, IPC. Irwin and Fredriksen specifications and prices from Timstar, SLS, Better Equipped, Breckland or Vitta Education products on the Philip Harris website by visiting the UNILAB Lockmaster power supply product description page at https://www.philipharris.co.uk/product/fe00057619
All products are subject to availability.

General terms and conditions

This offer cannot be used in conjunction with any framework discounts, nor forms part of core lists.
This offer is only available to customers based in the UK (inc. Channel Islands and Isle of Man). The promoter reserves the right to vary or withdraw any products in UNILAB War of the Power Supplies at any time without notice or cause.
The Promoter's decisions are final and binding.
These Terms and Conditions are governed by English law. Disputes will be subject to the exclusive jurisdiction of the English courts.