Description
Chroma 63004-150-60 DC Load Repair and Calibration
The Chroma 63004-150-60 is a programmable DC electronic load module — a 150 V / 60 A load that sinks programmable current and power to test power supplies, batteries, and chargers in CC, CV, CR, and CP modes. Its character is current sinking, so faults concentrate in the load (sink) stage, mode control, and measurement — not the HV/hipot faults its category label implies.
June Company repairs and calibrates the Chroma 63004-150-60 for power-supply and battery test teams.
Common Chroma 63004-150-60 problems we fix
- Won’t sink rated current/power — load-stage (power MOSFET) failure, the defining DC-load fault, repaired so it sinks full rated load.
- A mode (CC/CV/CR/CP) not working — mode-control faults, repaired.
- Dynamic/transient response off — the fast-slew circuitry, restored.
- Readback inaccurate — measurement drift, recalibrated.
- Cooling or programming faults.
FAQs
My 63004-150-60 won’t pull rated current — fixable? Yes. Load-stage faults are repairable, then verified so it sinks full rated current and power in every mode, with a NIST-traceable certificate.
Are all modes verified? Yes — CC, CV, CR, and CP are checked against our standards.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.
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We service 245 Chroma instruments. See all Hipot Tester Repair.




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