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The Chroma 6310A Series is a modular programmable DC electronic load platform designed for the test and evaluation of multi-output AC/DC power supplies, DC/DC converters, chargers, and power electronic components. The system is built around two mainframes — the 6312A (2 module slots) and the 6314A (4 module slots) — into which the user installs any combination of twelve available load modules. Module power ratings range from 20 W to 1,200 W, current ratings from 0.5 mA to 240 A, and voltage ratings from 0.5 mV to 600 V, with operating voltages spanning 0 V to 600 V depending on module selection.

Chroma positions the 6310A Series for use in research and development, production, and incoming inspection. Applications called out in the manufacturer literature include testing multi-output switching power supplies, DC-DC converters, battery and supercapacitor discharge characterization, battery charger evaluation (using Constant Voltage mode to simulate a charging load), LED driver testing via the dedicated LED Load Simulator modules (63110A, 63113A, 63115A), and Over Current Protection (OCP) verification on switching power supplies. The dual-mainframe configuration with up to eight independent front-panel channels makes the platform suitable for simultaneously loading multiple outputs of a single DUT or testing multiple UUTs in parallel on a single bench.

ValueTronics has supplied programmable DC electronic loads and complete power-electronics test benches to engineers since 1992. Our 20,000 sq ft secure warehouse at 1675 Cambridge Drive in Elgin, Illinois houses both the inventory and the technical staff who configure, test, and document every system we ship — including Chroma 6310A mainframes with their installed modules, options, and interface cards. Because we hold inventory on-site rather than drop-shipping from third parties, we can verify slot configuration, confirm option content, and answer module-by-module questions before the purchase order is placed.

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The Chroma 6310A Series is a modular platform: two mainframe choices and twelve load module choices, configured to the application. The 6312A mainframe accepts up to 2 load modules; the 6314A mainframe accepts up to 4 load modules and, because several module types are dual-channel, a fully populated 6314A can deliver up to eight independent load channels on a single bench. The same module compatibility extends backward to the legacy 6310 series mainframes (6312/6314), preserving software investment in existing test programs.

Module selection is driven by three primary specifications: maximum voltage (80 V, 120 V, 300 V, 500 V, or 600 V), maximum current (from 2 A on the lowest module up to 240 A on the 63112A), and maximum power (from 100 W per channel on the dual-channel 63102A up to 1,200 W on the 63112A). The LED Load Simulator modules — 63110A, 63113A, 63115A — add a dedicated LED Mode for LED driver test in addition to the standard CC/CV/CR/CP modes available on every module.

Each new 6310A mainframe and module below is its own product page with condition-matched pricing, available accessories, and current lead-time information. Configure the mainframe first, then add the modules that match your voltage, current, and power requirements, and finally add the interface card (USB or GPIB) and any accessories from a single point of contact at ValueTronics.

The two mainframes differ only in slot count and physical size. The 6312A is the 2-slot mainframe (194 × 275 × 550 mm, 15 kg); the 6314A is the 4-slot mainframe (194 × 439 × 550 mm, 21.5 kg). Both accept the same 12 modules, share the same digital I/O and interface options (USB A631003 or GPIB A631000), and operate from the same line-voltage range (100/115/200/230 Vac, 47–63 Hz). The choice between them is application-driven: a 6312A is the right answer for two-channel work or for benches with limited rack space; the 6314A is the platform when the test plan requires three or four modules — or eight channels via dual-channel modules — in one frame.

On the module side, the trade-offs are voltage rating, current rating, and power. Low-voltage / high-current work (low-voltage SMPS, USB-PD, server-rail testing) selects 80 V modules — 63101A, 63102A, 63103A, 63106A, 63107A, or 63112A. Higher-voltage work (industrial supplies, telecom rectifiers) selects the 500 V modules 63105A and 63108A; battery-pack and EV-subsystem work in the 24–120 V range selects the 63123A. LED driver test selects 63110A (500 V), 63113A (300 V), or 63115A (600 V).

Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.

Product Core & Specifications

Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.