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MDR-20-5 5V 3A 15W AC DC Industrial DIN Rail Power Supply
Rp210,000.00
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DAPPRA MDR-20-5 (SKU: OE91) is a 20W single output ultra-slim industrial DIN rail power supply with 5V DC / 4A output and universal 85–264 VAC input. Slim plastic housing, fanless natural convection cooling, complete protection functions, ideal for industrial control and automation.
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Overview
MDR-20-5 Overview
The DAPPRA MDR-20-5 (SKU: OE91) is the 5V model in the 20W MDR tier. It provides 5V DC at 3A — 15W total — from a universal 85–264 VAC input in a 22.5 mm ultra-slim blue plastic housing. The “20” refers to the power class; the 5V model is current-limited at 3A, so its actual rated power is 15W.
It is suited to 5V logic-level loads that need more current than the MDR-10-5 (2A): small PLC logic boards, signal conditioning racks and 5V sensor clusters. The unit adds a +V ADJ potentiometer (4.75–5.5V) for fine-tuning, plus a DC OK active signal for logic-level monitoring. Protection includes hiccup-mode short-circuit, overload (above 105%) and over-voltage (5.75–6.75V). Ripple is 80mVp-p, the lowest in the 20W tier.
Key Features
MDR-20-5 Key Features
- 15W · 5V / 3A5V DC at 3A, +V ADJ 4.75–5.5V.
- 22.5 mm Ultra-SlimBlue plastic, 22.5 × 90 × 100 mm.
- Ripple 80mVp-pLowest in the MDR-20 series.
- DC OK Active SignalLogic-level status monitoring.
- Hiccup-Mode ProtectionShort-circuit, overload (above 105%), over-voltage (5.75–6.75V).
- Efficiency 76%Practical for compact 5V loads.
- TS35 DIN RailTS35/7.5 or 15, vertical only.
Specifications
MDR-20-5 Specifications
Output
| DC Voltage | 5V |
| Rated Current | 3A |
| Current Range | 0–3A |
| Rated Power | 15W |
| Ripple | 80mVp-p |
| Adjustment | 4.75–5.5V |
| Tolerance | ±2.0% |
Input
| Voltage | 85–264VAC · 120–370VDC |
| Efficiency | 76% |
| No-Load | <0.75W |
Protection
| Overload | Above 105% · Hiccup · Auto-recovery |
| Over Voltage | 5.75–6.75V · Hiccup |
Notes5V model is limited to 3A (15W) despite the 20W class name. +V ADJ range 4.75–5.5V. DC OK is an active signal.
Dimensions
MDR-20-5 Dimensions
Mechanical
| Width | 22.5 mm |
| Height | 90 mm |
| Depth | 100 mm |
| Weight | ~0.18 kg |
Clearances
| Top/Bottom | 40 / 20 mm |
| Sides | 5 mm |
| DIN Rail | TS35/7.5 or 15 |
Installation
MDR-20-5 Installation
01 / 06
Vertical Only
Input bottom, output top.
02 / 06
Clearances
5 mm sides, 40 mm top, 20 mm bottom.
03 / 06
TS35 Rail
TS35/7.5 or 15.
04 / 06
FG to PE
Frame ground to earth.
05 / 06
Temperature
−20 to +70°C, derate above 50°C.
06 / 06
Pollution Degree 2
Dry, ventilated cabinet.
Wiring
MDR-20-5 Wiring
TB1
| Pin | Assignment |
|---|---|
| 1 | FG |
| 2 | AC/N |
| 3 | AC/L |
TB2 (3 Pins)
| Pin | Assignment |
|---|---|
| 1 | +V |
| 2 | −V |
| 3 | DC OK active signal |
DC Output4.75–5.5V adjustable. 3A / 15W maximum. DC OK is a logic-level active signal.
Safety
MDR-20-5 Safety & Cautions
- Qualified technician only.
- Do not connect primary and secondary.
- Burn hazard.
- Protect openings.
- FG to PE.
- Do not exceed 3A / 15W.
- Do not use DC OK as power output.
- Disconnect before maintenance.
Applications
MDR-20-5 Industrial Applications
5V PLC Logic
Signal Conditioning
5V Sensor Clusters
Digital I/O Racks
Test & Measurement
Building Automation
Security Modules
Compact Cabinets
Next Step
Need the MDR-20-5?
Contact DAPPRA Automation — or explore the full MDR Series.
Support
MDR-20-5 FAQ
What is the DAPPRA MDR-20-5?
The DAPPRA MDR-20-5 (SKU: OE91) is a 15W single-output industrial DIN rail power supply providing 5V DC at 3A from a universal 85–264VAC input, in a 22.5 mm blue plastic housing with 4.75–5.5V +V ADJ and DC OK active signal.
Why is the MDR-20-5 rated 15W instead of 20W?
The “20” in the model name refers to the power class, but the 5V output is limited to 3A, giving 5V × 3A = 15W. The 12V and 15V models in the same MDR-20 housing deliver 20W, and the 24V model delivers 24W. The 5V model operates at lower total wattage because of the 3A current limit chosen for this output voltage.
What is the output voltage adjustment range of the MDR-20-5?
The MDR-20-5 has a 4.75–5.5V adjustment range via the front-panel +V ADJ potentiometer. This is narrower than the 12V/24V models but sufficient to compensate for cable drop or to fine-tune the 5V rail. Verify the acceptable input window of connected 5V logic before adjusting.
What is the over-voltage protection threshold of the MDR-20-5?
Over-voltage protection triggers at 5.75–6.75V. The output enters hiccup mode and recovers automatically after the fault is removed. This threshold sits above the 5.5V maximum adjustment point, so normal potentiometer adjustment will not trigger it.
What is the ripple and noise of the MDR-20-5?
Maximum 80mVp-p, measured at 20MHz bandwidth with a 0.1μF and 47μF parallel capacitor — lower than the 12V/24V models in the MDR-20 series (120mVp-p / 150mVp-p).
What is the typical efficiency of the MDR-20-5?
The MDR-20-5 achieves 76% typical efficiency at 230VAC input and full load, the lowest in the MDR-20 series (12V: 80%; 15V: 81%; 24V: 84%).
What is the input voltage range of the MDR-20-5?
85–264VAC single phase (47–63Hz) or 120–370VDC. Do not connect to 380VAC three-phase supply.
What protection functions does the MDR-20-5 include?
Short-circuit protection, overload protection (above 105%, hiccup mode auto-recovery) and over-voltage protection (5.75–6.75V, hiccup mode auto-recovery).
Is the MDR-20-5 DIN rail mountable?
Yes, TS35/7.5 or TS35/15 DIN rail, 22.5 mm width, vertical orientation only.
What are the dimensions and weight of the MDR-20-5?
22.5 × 90 × 100 mm (W × H × D), approximately 0.18 kg.
What is the terminal pin assignment of the MDR-20-5?
TB1: Pin 1 = FG, Pin 2 = AC/N, Pin 3 = AC/L. TB2 (3 pins): Pin 1 = +V, Pin 2 = −V, Pin 3 = DC OK active signal.
Does the MDR-20-5 have a DC OK relay contact?
No. It uses a DC OK active signal (logic-level), not a relay contact. For a dry relay contact, choose MDR-40 or higher.
Can the MDR-20-5 be used in a sealed enclosure?
A sealed enclosure requires thermal evaluation. The MDR-20-5 uses natural convection cooling and derates above 50°C. Ensure internal cabinet temperature stays within the derating curve, or provide ventilation.
Can the MDR-20-5 supply 3A continuously?
Yes, 3A at 5V equals the 15W rated output. Continuous full-load operation is specified up to 50°C ambient, with derating required above 50°C. Verify cabinet temperature and clearance requirements.
What certifications does the MDR-20-5 have?
UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004, BSMI CNS14336-1 and AS/NZS 60950.1 (series-level). Confirm model coverage for your destination market.
Related Technical Articles
3 ulasan untuk MDR-20-5 5V 3A 15W AC DC Industrial DIN Rail Power Supply
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Overview
MDR-20-5 Overview
The DAPPRA MDR-20-5 (SKU: OE91) is the 5V model in the 20W MDR tier. It provides 5V DC at 3A — 15W total — from a universal 85–264 VAC input in a 22.5 mm ultra-slim blue plastic housing. The “20” refers to the power class; the 5V model is current-limited at 3A, so its actual rated power is 15W.
It is suited to 5V logic-level loads that need more current than the MDR-10-5 (2A): small PLC logic boards, signal conditioning racks and 5V sensor clusters. The unit adds a +V ADJ potentiometer (4.75–5.5V) for fine-tuning, plus a DC OK active signal for logic-level monitoring. Protection includes hiccup-mode short-circuit, overload (above 105%) and over-voltage (5.75–6.75V). Ripple is 80mVp-p, the lowest in the 20W tier.
Key Features
MDR-20-5 Key Features
- 15W · 5V / 3A5V DC at 3A, +V ADJ 4.75–5.5V.
- 22.5 mm Ultra-SlimBlue plastic, 22.5 × 90 × 100 mm.
- Ripple 80mVp-pLowest in the MDR-20 series.
- DC OK Active SignalLogic-level status monitoring.
- Hiccup-Mode ProtectionShort-circuit, overload (above 105%), over-voltage (5.75–6.75V).
- Efficiency 76%Practical for compact 5V loads.
- TS35 DIN RailTS35/7.5 or 15, vertical only.
Specifications
MDR-20-5 Specifications
Output
| DC Voltage | 5V |
| Rated Current | 3A |
| Current Range | 0–3A |
| Rated Power | 15W |
| Ripple | 80mVp-p |
| Adjustment | 4.75–5.5V |
| Tolerance | ±2.0% |
Input
| Voltage | 85–264VAC · 120–370VDC |
| Efficiency | 76% |
| No-Load | <0.75W |
Protection
| Overload | Above 105% · Hiccup · Auto-recovery |
| Over Voltage | 5.75–6.75V · Hiccup |
Notes5V model is limited to 3A (15W) despite the 20W class name. +V ADJ range 4.75–5.5V. DC OK is an active signal.
Dimensions
MDR-20-5 Dimensions
Mechanical
| Width | 22.5 mm |
| Height | 90 mm |
| Depth | 100 mm |
| Weight | ~0.18 kg |
Clearances
| Top/Bottom | 40 / 20 mm |
| Sides | 5 mm |
| DIN Rail | TS35/7.5 or 15 |
Installation
MDR-20-5 Installation
01 / 06
Vertical Only
Input bottom, output top.
02 / 06
Clearances
5 mm sides, 40 mm top, 20 mm bottom.
03 / 06
TS35 Rail
TS35/7.5 or 15.
04 / 06
FG to PE
Frame ground to earth.
05 / 06
Temperature
−20 to +70°C, derate above 50°C.
06 / 06
Pollution Degree 2
Dry, ventilated cabinet.
Wiring
MDR-20-5 Wiring
TB1
| Pin | Assignment |
|---|---|
| 1 | FG |
| 2 | AC/N |
| 3 | AC/L |
TB2 (3 Pins)
| Pin | Assignment |
|---|---|
| 1 | +V |
| 2 | −V |
| 3 | DC OK active signal |
DC Output4.75–5.5V adjustable. 3A / 15W maximum. DC OK is a logic-level active signal.
Safety
MDR-20-5 Safety & Cautions
- Qualified technician only.
- Do not connect primary and secondary.
- Burn hazard.
- Protect openings.
- FG to PE.
- Do not exceed 3A / 15W.
- Do not use DC OK as power output.
- Disconnect before maintenance.
Applications
MDR-20-5 Industrial Applications
5V PLC Logic
Signal Conditioning
5V Sensor Clusters
Digital I/O Racks
Test & Measurement
Building Automation
Security Modules
Compact Cabinets
Next Step
Need the MDR-20-5?
Contact DAPPRA Automation — or explore the full MDR Series.
Support
MDR-20-5 FAQ
What is the DAPPRA MDR-20-5?
The DAPPRA MDR-20-5 (SKU: OE91) is a 15W single-output industrial DIN rail power supply providing 5V DC at 3A from a universal 85–264VAC input, in a 22.5 mm blue plastic housing with 4.75–5.5V +V ADJ and DC OK active signal.
Why is the MDR-20-5 rated 15W instead of 20W?
The “20” in the model name refers to the power class, but the 5V output is limited to 3A, giving 5V × 3A = 15W. The 12V and 15V models in the same MDR-20 housing deliver 20W, and the 24V model delivers 24W. The 5V model operates at lower total wattage because of the 3A current limit chosen for this output voltage.
What is the output voltage adjustment range of the MDR-20-5?
The MDR-20-5 has a 4.75–5.5V adjustment range via the front-panel +V ADJ potentiometer. This is narrower than the 12V/24V models but sufficient to compensate for cable drop or to fine-tune the 5V rail. Verify the acceptable input window of connected 5V logic before adjusting.
What is the over-voltage protection threshold of the MDR-20-5?
Over-voltage protection triggers at 5.75–6.75V. The output enters hiccup mode and recovers automatically after the fault is removed. This threshold sits above the 5.5V maximum adjustment point, so normal potentiometer adjustment will not trigger it.
What is the ripple and noise of the MDR-20-5?
Maximum 80mVp-p, measured at 20MHz bandwidth with a 0.1μF and 47μF parallel capacitor — lower than the 12V/24V models in the MDR-20 series (120mVp-p / 150mVp-p).
What is the typical efficiency of the MDR-20-5?
The MDR-20-5 achieves 76% typical efficiency at 230VAC input and full load, the lowest in the MDR-20 series (12V: 80%; 15V: 81%; 24V: 84%).
What is the input voltage range of the MDR-20-5?
85–264VAC single phase (47–63Hz) or 120–370VDC. Do not connect to 380VAC three-phase supply.
What protection functions does the MDR-20-5 include?
Short-circuit protection, overload protection (above 105%, hiccup mode auto-recovery) and over-voltage protection (5.75–6.75V, hiccup mode auto-recovery).
Is the MDR-20-5 DIN rail mountable?
Yes, TS35/7.5 or TS35/15 DIN rail, 22.5 mm width, vertical orientation only.
What are the dimensions and weight of the MDR-20-5?
22.5 × 90 × 100 mm (W × H × D), approximately 0.18 kg.
What is the terminal pin assignment of the MDR-20-5?
TB1: Pin 1 = FG, Pin 2 = AC/N, Pin 3 = AC/L. TB2 (3 pins): Pin 1 = +V, Pin 2 = −V, Pin 3 = DC OK active signal.
Does the MDR-20-5 have a DC OK relay contact?
No. It uses a DC OK active signal (logic-level), not a relay contact. For a dry relay contact, choose MDR-40 or higher.
Can the MDR-20-5 be used in a sealed enclosure?
A sealed enclosure requires thermal evaluation. The MDR-20-5 uses natural convection cooling and derates above 50°C. Ensure internal cabinet temperature stays within the derating curve, or provide ventilation.
Can the MDR-20-5 supply 3A continuously?
Yes, 3A at 5V equals the 15W rated output. Continuous full-load operation is specified up to 50°C ambient, with derating required above 50°C. Verify cabinet temperature and clearance requirements.
What certifications does the MDR-20-5 have?
UL508, UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004, BSMI CNS14336-1 and AS/NZS 60950.1 (series-level). Confirm model coverage for your destination market.
3 ulasan untuk MDR-20-5 5V 3A 15W AC DC Industrial DIN Rail Power Supply
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