Quick Answer: The Bench Power Unit is a general purpose power supply giving ac or unsmoothed dc up to 13V in 1V steps, with a continuously rated output of 8.5A.
Last updated: October 2026
Key Features
Rotary switch selects output in 1V steps up to 13V
Continuously rated 8.5A, ac or dc
Heavy-duty relays switch voltage at full load without contact arcing
Overload LED changes from green to red
Triple protection: electronic trip, thermal transformer trip and slow-blow fuse
Snap-up handle for one-handed carrying
Technical Specifications
Specification
Value
Output
ac and dc, 1 - 13V, unsmoothed, stepped
Maximum current
8.5A combined
Fuse
1A time delay
Ratings
230V ac 50Hz 155VA
Temperature range
10 - 40°C
Humidity
10 - 90 %RH
Dimensions
175 x 190 x 298mm (W x D x H)
Mass
4.8kg
About This Product
This unit is intended for general laboratory work by teachers, technicians and students. The ac and dc outputs can run together, and the sockets take standard 4mm plugs and shrouded plugs. An internal fan keeps it cool under load, and the mains cord winds onto hooks at the back. Depth is 206mm including the cable clips.
Frequently Asked Questions
Q1. Can the ac and dc outputs be used at the same time? Yes, provided the combined output does not exceed 8.5A.