300A Variable DC Power Supplies (0–300A Adjustable)

Regulated 0–300A DC power supplies available across 15V–20V voltage and 4.5kW–6kW rated power configurations. Compare technical specifications, check live stock and direct USD pricing for instant online checkout or formal Proforma Invoice (PI).

eTM-UMM-5L
أنظمة طاقة معيارية متعددة القنوات · 0-15V 0-300A 4500W
قابل للبرمجةقدرة معيارية✓ متوفر في المخزون
الجهد0-15V
التيار0-300A
القدرة المقدرة4500W
التفاصيل
دخل AC مزدوج 110V/220V
eTM-UMM-6M
أنظمة طاقة معيارية متعددة القنوات · 0-20V 0-300A 6kW (6000W)
قابل للبرمجةقدرة معيارية✓ متوفر في المخزون
الجهد0-20V
التيار0-300A
القدرة المقدرة6kW (6000W)
التفاصيل
دخل AC مزدوج 110V/220V
Technical Reference & Guidelines

Frequently Asked Questions for 300A DC Power Supplies

Q: How does the 0-300A current limit protect connected test circuits?

These regulated power supplies allow precision multi-turn encoder or digital keypad current setting from 0A to 300A. If the load resistance drops or a short occurs, the unit instantly clamps into Constant Current (CC) mode, preventing thermal runaway or DUT destruction.

Q: Are high-current output terminals safe for continuous operation at 300A?

Yes. Models equipped with high output currents use heavy-duty solid brass or pure copper busbar terminal blocks engineered to handle continuous full-load currents with minimal temperature rise and contact resistance.

Q: How are shipping and warranty handled for these 300A units?

All units undergo 100% full-load burn-in in thermal aging chambers prior to dispatch. We ship worldwide via DDP door-to-door air express (approx. 10 business days to US/Europe) and back every unit with a 1-year hardware warranty.