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Silver enclosed AC-DC power supply, rectangular with screw terminals, 10.9 by 5 by 3.3 inches

Mean Well

Mean Well RSP-1500-12 12V 125A 1500W power supply

SKU CH-EKCR-NR3G3

Delivers 1500 W at 12 V from a 90–264 V AC input with 87 % efficiency and screw-terminal output

  • TypeProprietary Power Supply
  • Delivers 1500 W continuous power from a single 12 V rail
  • 125 A output current supports high-demand 12 V equipment
  • Wide 90–264 VAC input suits global mains voltages
  • 87 % typical efficiency reduces waste heat and running cost
  • Operates from -20 °C to 70 °C for harsh environments

High-Capacity 1500W Industrial Power Supply

The Mean Well RSP-1500-12 is an enclosed AC-to-DC unit delivering a single 12V output at 125A for a total of 1500W. It suits system integrators and engineers who need a high-density, screw-terminal power source for industrial equipment, automation rigs or test benches.

Wide-Range Input with Fixed 87% Efficiency

The supply auto-switches across a 90 to 264 VAC range at 47 to 63 Hz, drawing up to 17A at the low end. Efficiency is specified at 87%, so waste heat is predictable but cannot be improved by load tuning. Minimum isolation is rated at 3000V for safety compliance.

Replaces Lower-Wattage or Multi-Unit Setups

Builders consolidating several smaller supplies into one 1.5kW block will simplify wiring and reduce rack space, provided the 10.9 by 5 by 3.3 inch footprint fits. It is not for systems needing multiple voltage rails, redundant hot-swap modules or output voltages other than 12V.

Pontos fortes

  • Delivers 1500 W continuous power from a single 12 V rail
  • 125 A output current supports high-demand 12 V equipment
  • Wide 90–264 VAC input suits global mains voltages
  • 87 % typical efficiency reduces waste heat and running cost
  • Operates from -20 °C to 70 °C for harsh environments

Especificações

TypeProprietary Power Supply

Perguntas sobre este artigo

How do I know this 12 V 125 A unit is the right capacity for my build?

It delivers 1500 W continuous at 12 VDC with a 125 A maximum; match your total load to that ceiling and leave headroom for start-up surges.

What does the 1500 W rating mean once the supply is installed in a system?

It can sustain 1500 W output at up to 70 °C ambient with 87 % efficiency, so the unit draws roughly 17 A at 90 VAC while delivering full power.

What input standard does the supply accept and what practical limit does it set?

Auto-switching 90–264 VAC at 47–63 Hz means it runs worldwide on mains without manual selection, capped at 17 A input current.

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