Description
A production line that tests many power supplies at once needs many loads in one rack. The Keysight N3306A electronic load module is one slice of that rack. It sinks up to 600 W at 60 V and 120 A, and it plugs into an N3300A or N3301A mainframe. Lost in HCM lists it for rental and sale, and it arranges service on request.

N3306A ratings
| Inputs | 1 |
|---|---|
| Maximum input voltage | 60 V |
| Maximum input current | 120 A |
| Maximum sinking power | 600 W |
| Mainframe slots required | 2 |
| Compatible mainframes | Keysight N3300A and N3301A |
| Operating modes | Constant current, voltage and resistance |
| Measurement | 16-bit voltage, current and power |
How a module differs from a stand-alone load
This unit has no front panel of its own. It lives in a mainframe, and it takes two of the slots. Therefore, check the free slot space and the total mainframe power before you order. On the other hand, several modules in one mainframe give you simultaneous programmable load channels in a single rack.
Why the Keysight N3306A electronic load module suits production tests
Constant-current, constant-voltage and constant-resistance modes cover supplies, converters and batteries. Six current ranges give flexible loading and low-current measurement. In addition, built-in waveform digitization and 16-bit measurements support transient analysis. As a result, one module can load a supply, then capture how its output recovers.
Typical test jobs
- Multi-output DC power-supply manufacturing tests
- DC-DC converter and telecom power validation
- Battery, charger and power-component characterization
- Automated test systems that need several loads at once
Configuration review before delivery
Lost in HCM suggests confirming the module and mainframe serial numbers first. Next, check the firmware, the current range, the input terminals and the load cables. Also plan the remote-sense wiring and the control interface. Missing modules, cables or interfaces can delay a project, so list them early.
Rent or buy the Keysight N3306A electronic load module
A pilot line or a validation project suits a rental. A factory that tests power supplies every shift may prefer to buy. Lost in HCM supplies the module and gives the quote, while SMK Vietnam only shows the listing.
Ask for a quote
Name your mainframe, the number of modules and the dates. Then request a quote from Lost in HCM, browse the DC electronic load listings, visit Keysight or contact SMK Vietnam.
N3306A questions
Can I use it without a mainframe?
No. It is a module for N3300A and N3301A mainframes and needs two slots.
Which modes does it support?
It supports constant current, constant voltage and constant resistance.
Can it run at 60 V and 120 A together?
The sinking power tops out at 600 W, so the limits apply together. Confirm the operating point in your quote.
















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