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Compact grey ABS DIN-rail power supply with screw terminals and ventilation slots

myVolts

myVolts MDR-100-24 100W 24V DIN rail power supply

SKU CH-P8EQ-7BGNZ MPN MDR-100-24

DIN-rail switching supply delivering 100 W at 24 V with 100-240 VAC input and built-in overload, over-voltage and over-temperature protection

  • Product typeAT
  • International safety certifications UL, CUL, TUV, CB, CE ensure reliable operation
  • Four protection layers — short-circuit, overload, over-voltage, overheat — keep equipment safe
  • Snaps onto TS35 DIN rail at 7.5 or 15 mm for quick, labour-saving installation
  • Wide 100–240 VAC input with active PFC and low no-load loss suits global industrial use
  • DC OK signal output plus 20 % voltage adjustment simplify monitoring and fine-tuning

DIN Rail Power Supply for Industrial Automation

The myVolts MDR-100-24 is a single output DIN rail switching power supply rated at 100W with a 24V output and 4A rated current. It accepts a universal 100-240VAC input drawing 1.3A and mounts on standard TS35 rails at 7.5 or 15mm height. The unit carries UL, CUL, TUV, CB and CE safety certifications.

Built-In Protections and DC OK Signal

Overload protection engages between 105% and 150% of rated current with automatic recovery once the fault clears. Over-voltage protection shuts the output down at 125% to 150% of nominal voltage and restarts automatically. Overheating protection triggers at 90±10°C measured at the power transistor radiator, also with auto-recovery. A DC OK signal output allows external monitoring of the working condition.

100W Capacity with Voltage Adjustment

The supply delivers up to 100W continuous power and includes a voltage adjustment range of ±20% around the 24V nominal output. Start-up takes 3000ms with 50ms hold-up time at 230VAC full load. It suits industrial control panels and automation equipment requiring regulated 24V DC. Installations needing higher wattage or multiple output rails will require a different unit.

How it compares

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

Price $74.99
Cheaper than about 77% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Does the 24 V output need any periodic maintenance or component replacement?

The unit has no user-serviceable parts; its over-temperature shutdown at 90 ± 10 °C and automatic recovery protect the internal components for the rated service life.

What is the first limit reached when the supply runs continuously at full 100 W load?

The constant-current limit activates between 105 % and 150 % of the 4 A rated current, so sustained overload is the first protection to engage.

How much heat and noise should I expect when it operates all day on a DIN rail?

No fan is fitted, so operation is silent; heat is dissipated through the case and the TS 35 / 7.5 or 15 rail, with over-temperature shutdown at 90 ± 10 °C if airflow is insufficient.

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