Current limiting protects the circuit, and the ripple figure tells the rest · review
PeakTech 6227 switching supply, 0 to 60 V, 150 W review
A single-channel 150 W switching bench supply adjustable to 60 V at 2.5 A or 6 A at 25 V, with protection against short circuit, overload and overtemperature, two switchable USB outputs and EN 61010-1 named.
The bottom line The best-documented supply of the seven on design and envelope: switching, single channel, five voltage-current pairs and three protections. Its own figures appear contradictory until the arithmetic is done, and ripple is not published.
The PeakTech 6227 listing, bullet by bullet
Five bullets: a single-channel DC switching supply for training, hobby, development and service; a four-digit LCD for output voltage and current; protection against short circuit, overload and overtemperature, and two switchable USB outputs with their own display, the bullet running into the next; an adjustable envelope with examples of 30 V/5 A, 40 V/3.7 A and 50 V/3 A, and 6 A available at up to 25 V; and an information line of 0–60 V, 0–2.5 A and a constant 150 W output, with power cable, terminals, a manual, one channel and EN 61010-1.
Two current figures, one envelope
6 A in the title, 2.5 A in the information line. Multiplied out, every published pair — 60 × 2.5, 50 × 3, 40 × 3.7, 30 × 5, 25 × 6 — lands on about 150 W. The 2.5 A is the current at full voltage; the 6 A is the current at 25 V. The listing is consistent, just badly ordered.
Switching, said plainly
A switching supply is lighter and more efficient than a linear one, and typically noisier on its output. The 6227 is the only one of the seven to name its design, which lets a buyer weigh that trade-off; the ripple figure that would complete it is missing.
Two USB outputs with their own display
The third bullet mentions two switchable USB outputs with a separate display. It gives no current rating for them.
Availability
At the last look-up, the German, French, Italian and Spanish Amazon stores were asking 127 € to 155 €.
It is sold in the British Amazon store as well, in its own currency, which the euro figures above leave out on purpose.
The American Amazon catalogue lists the product, yet no seller was offering it.
Every figure here is Keepa’s reading on the date this page was last updated. Stock and prices can change at any time.
Prices quoted in this text were read on 15 September 2026. The live price is at the top of the page.
Where it earns its place, and where it falls short
Strengths
The only supply of the seven to state its design: switching
A 150 W envelope published as five voltage and current pairs
Protection against short circuit, overload and overtemperature, and EN 61010-1 named
Compromises
The title says up to 6 A and the information bullet says 0–2.5 A; both hold only at different voltages
No ripple figure, which matters more on a switching design
The third bullet runs two sentences into each other
Specifications
Voltage and current range
0–60 V, up to 6 A, within a constant 150 W: 60 V at 2.5 A, 50 V at 3 A, 40 V at 3.7 A, 30 V at 5 A, 25 V at 6 A, title and third to fifth bullets
Channels
1 channel, first and fifth bullets
Linear or switching design
Switching (“Schaltnetzgerät”), first bullet
Ripple
Absent from the listing
Display resolution
Absent from the listing as a step — 4-digit LCD for voltage and current, second bullet
Programmability
Absent from the listing
Protections
Short circuit, overload and overtemperature, third bullet; EN 61010-1 named, fifth bullet
Amazon reference
B081P9R2H5 (same reference on 6 Amazon marketplaces)
EAN
4250569404924
Questions makers ask before buying
Does the PeakTech 6227 give 6 A or 2.5 A?
Both, at different voltages. The listing gives 2.5 A at up to 60 V and 6 A at up to 25 V, with 30 V/5 A, 40 V/3.7 A and 50 V/3 A in between. Each pair works out to about 150 W, the constant output power the fifth bullet states.
Which safety standard does the 6227 name?
The fifth bullet names EN 61010-1. The page reports the standard as listed.
0–30 V, 0–10 A · 4-digit LED for voltage, current and power · keypad lock · output switch · protection against overcurrent, overheating and overvoltage · ground terminal · fan
A 0–30 V, 0–10 A bench supply with four-digit displays for voltage, current and calculated power, a lockable keypad and a front output switch, protected against overcurrent, overheating and overvoltage.
Best for: A general electronics bench up to 30 V and 10 A that wants settings locked between sessions.
32 V, 10 A · coarse and fine encoders, 0.01 V and 0.001 A setting · output on/off button · OCP · temperature-controlled fan · 20 W USB-A and USB-C · 115/230 V selectable
A 32 V, 10 A bench supply with coarse and fine encoder knobs setting to 0.01 V and 0.001 A, an output on/off button, overcurrent protection and two 20 W USB charging ports.
Best for: A maker bench powering microcontroller boards, single-board computers and motors up to 10 A, where knob-based setting saves time.
0–30 V, 0–10 A · programmable over USB from a PC · 4 memory presets · user-set OVP and OCP · 2.8 in TFT, numeric or curve display · 5 V 1 A USB port · 200–240 V input
A programmable 0–30 V, 0–10 A bench supply controlled from a computer over USB, with four memory presets, user-set overvoltage and overcurrent limits, and a 2.8-inch screen that shows readings as numbers or curves.
Best for: Logging or automating power tests from a computer, such as battery charging runs, at up to 30 V and 10 A.
