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Compact silver aluminium DIN rail power supply with ventilation slots and rear mounting holes

myVolts

myVolts EDR-120-12 12V 10A 120W DIN rail power supply

SKU CH-4QBV-Q7KSW

DIN-rail power supply delivering 12 V at 10 A with 120 W output and multiple protection features

  • Product typeAT
  • Reliable operation with over current, over voltage, overload and short circuit protection
  • Easy DIN rail mounting using the integrated back mounting hole design
  • Cool running thanks to an all-copper transformer and ventilated aluminium shell
  • Stable 12 V output adjustable from 12 V to 14 V with ±2.0 % accuracy
  • Wide 100-240 VAC input range at 50-60 Hz with 85 % typical efficiency

EDR-120-12 12 V 120 W rail supply

The EDR-120-12 is a DIN rail power supply that delivers 12 V at up to 10 A for 120 W total output. It suits control panels, automation cabinets and test benches that need a compact, regulated DC source. The aluminium shell and back mounting holes allow quick installation on standard rail profiles. Multiple protection circuits guard against over current, over voltage, overload and short circuit conditions.

Input range and protection limits

The unit accepts 100 to 240 V AC at 50 to 60 Hz with a typical efficiency of 85 %. Inrush current peaks at 20 A on 115 V AC and 35 A on 230 V AC. Leakage current stays below 3.5 mA at 240 V AC. Hold-up time is 36 ms at 230 V AC and 32 ms at 115 V AC. Output voltage can be trimmed from 12 V to 14 V with ±2.0 % accuracy.

120 W continuous capacity

At full load the supply provides 10 A continuously with ripple and noise limited to 80 mV peak-to-peak. Line regulation is ±0.5 % and load regulation is ±1.0 %. Start-up takes 500 ms and rise time is 70 ms on both input voltages. The all-copper transformer and ventilated aluminium housing dissipate heat without a fan, so sustained operation remains stable within the rated current range.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $45.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Should I pick the 12 V 10 A version or a different capacity for my DIN rail project?

This model delivers 12 V at up to 10 A for 120 W total. Choose it when your load fits within that current and power envelope; otherwise select a supply with higher rated current or voltage.

What does the 120 W rating mean when the unit is installed in a cabinet?

It means the supply can continuously provide 12 V at 10 A with 85 % typical efficiency, producing modest heat that the aluminium shell and ventilation slots dissipate without a fan.

What input standard does the EDR-120-12 accept and what does it cap in practice?

It accepts 100-240 VAC at 50-60 Hz, drawing 1.45 A at 115 V or 0.9 A at 230 V, with inrush limited to 20 A or 35 A respectively.

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