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Mean Well MPS-120-24 Power Supply 120W 24V he rated current is base...
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MPS-120-24 is the 24V output model of this series: rated current 5A, typical efficiency 81%.
Specifications
Output Chart
- OUTPUT VOLTAGE
- 24V
- RATED CURRENT
- 5A
- OUTPUT CURRENT MINIMUM LOAD
- 0A
- OUTPUT CURRENT CONVECTION (max.)
- 3.3A
- OUTPUT CURRENT WITH FAN WITH 25CFM FAN (Note 2)Note 2
- 5A
- OUTPUT CURRENT PEAK LOAD WITH 25CFM FAN (Max.) (Note 4)Note 4
- 5.5A
- RIPPLE & NOISE (Max.) (Note 2)Note 2
- 120mVp-p
- VOLTAGE TOLERANCE (Note 3)Note 3
- ±2.0%
- LINE REGULATION
- ±1.0%
- LOAD REGULATION
- ±2.0%
- EFFICIENCY
- 81%
Specification
- AC INPUT VOLTAGE
- 90~264VAC, 47~440Hz / 127~370VDC
- AC INPUT CURRENT (Typ.)
- Maximum input current 2.9A at 115VAC, 60Hz or 1.7A at 230VAC, 60Hz with 100% output load
- INRUSH CURRENT (Typ.)
- Less than 22A at 115VAC or less than 50A at 230VAC under cold start conditions; limited by internal thermistors
- SETUP, RISE TIME
- 800ms, 20ms / 230VAC at full load; 2000ms, 50ms / 115VAC at full load
- HOLD-UP TIME (Typ.)
- 80ms / 230VAC at full load; 14ms / 115VAC at full load
- LEAKAGE CURRENT (Note 7)Note 7
- Earth leakage current < 150μA/264VAC, Touch current < 100μA/264VAC
- DC OUTPUT ADJ. RANGE
- -5%~+10% rated output voltage, adjustable by potential meter
- OVERLOAD PROTECTION
- Protected against short circuit and overload; hiccup mode at 120~160% rated load (MPS-120), recovers automatically after fault condition is removed
- OVER VOLTAGE PROTECTION
- 120%~140% rated output voltage, shut down
- POWER GOOD / FAIL SIGNAL (OPTIONAL)
- TTL high for power good, TTL low for power fail; +5V TTL signal sent 10~500ms after output reaches 90% of rated value; goes low at least 1ms before output drops below 90%
- WORKING TEMP.
- -20~70℃ (refer to derating curves)
- WORKING HUMIDITY
- 20~90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40~+85℃, 10~90% RH
- TEMP. COEFFICIENT
- ±0.04%/℃ on all outputs at full load (0~50℃)
- VIBRATION
- 2G, 10Hz~500Hz, 10-minute cycle; 6 testing cycles (60 minutes) each along X, Y, Z axes
- SAFETY STANDARDS
- Medical: UL60601-1, TUV EN60601-1, IEC60601-1 approved; Commercial: also designed referring to UL60950-1, TUV EN60950-1
- WITHSTAND VOLTAGE
- I/P-O/P:4000VAC, I/P-FG:2000VAC, O/P-FG:500VAC
- ISOLATION RESISTANCE
- >100M Ohms for I/P-O/P, I/P-FG, O/P-FG at 500VDC
- EMI COMPLIANCE
- Conducted & Radiation: EN55011 Class B, EN55022 Class B; Harmonic distortion: EN61000-3-2; Voltage flicker: EN61000-3-3
- EMS COMPLIANCE
- ESD air: EN61000-4-2 Level 3, 8KV; ESD contact: EN61000-4-2 Level 2, 4KV; RF field susceptibility: EN61000-4-3 Level 2, 3V/m, Level 3, 10V/m; EFT/Burst: EN61000-4-4 Level 2, 1KV/5KHz, Level 3, 2KV/5KHz; Lightning/Surge: EN61000-4-5 Level 2, 2KV/Line-Line, Level 4, 4KV/Line-Earth; Conducted RF susceptibility: EN61000-4-6 Level 2, 3Vrms/m, Level 3, 10Vrms/m; Magnetic field immunity: EN61000-4-8 Level 2, 3A/m, Level 3, 10A/m; Voltage dip, interruption: EN61000-4-11 compliance; Digital phone carrier immunity: ENV50204 Level 2, 3V/m, 900MHz, Level 3, 10A/m, 900MHz
- MTBF
- 262,100 hours min. at full load and 25℃ of ambient temperature, MIL-HDBK-217F
- DIMENSION (L*W*H)
- 177.8x107.95x35.5mm or 7"x4.25"x1.4"
- PACKING
- 0.55Kg; 24pcs/14.5Kg/0.99CUFT
Test conditions and notes7
- 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
- 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μf & 47μf parallel capacitor.
- 3. Tolerance : includes set up tolerance, line regulation and load regulation.
- 4. 33% Duty cycle maximum within every 30 seconds. Average output power should not exceed the rated power.
- 5. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to "EMI testing of component power supplies." (as available on http://www.meanwell.com)
- 6. Heat Sink HS1,HS2 can not be shorted.
- 7. Touch current was measured from primary input to DC output.
Technical drawings
Downloads
FAQ
Can I use the MPS-120-24 for 24V PLC, sensor, or automation loads?
Yes, it is a constant-voltage 24V model rated for 5A and 120W with a 25CFM fan (3.3A with convection cooling), which matches many common 24V automation loads. That makes it relevant for PLC-related accessories, sensors, and control hardware that need 24V DC and stay within those limits. The input range of 90-264VAC also supports use across varied AC supply conditions.
Is the MPS-120-24 suitable for 24V industrial networking or communications equipment?
It can fit 24V communications or networking hardware when the equipment is designed for constant-voltage 24V input and the load stays within 5A with a 25CFM fan, or 3.3A by convection. With 120W total power, it is better suited to moderate-power 24V systems than larger 200W-class loads. Voltage match is the key requirement here.
Can the MPS-120-24 be used in embedded or machine-control subsystems that standardize on 24V DC?
Yes, 24V is a common control voltage in industrial and embedded equipment, and this unit is rated to supply 5A at that voltage with a 25CFM fan, or 3.3A with convection cooling. It suits protected machine-control subsystems, I/O devices, and related electronics that need 24V constant-voltage power. Loads that exceed 120W or 5A would need a higher-capacity model.
How does the MPS-120-24 compare with the other MPS-120 voltage variants?
The listed MPS-120-24 is 120W at 24V and 5A. Related 120W options include MPS-120-12 at 10A, MPS-120-15 at 8A, and MPS-120-48 at 2.5A, while MPS-120-5 is 110W at 22A and MPS-120-3.3 is 79.2W at 24A. These ratings apply with a 25CFM fan; with convection cooling the MPS-120-24 is limited to 3.3A.
Is the MPS-120-24 appropriate for outdoor installations or only indoor equipment?
The available specs do not show an IP rating, so this model should be treated as intended for protected installations rather than direct outdoor exposure. Its operating temperature range is -20°C to +70°C with derating per the derating curves, which covers a wide thermal range inside suitable equipment enclosures. If the site involves water or dust ingress, use an enclosure or a supply with a defined IP rating.
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