Description
The Keyence MS2-H75 is a compact switching power supply providing a stable 24 VDC output at 3.2 A (75 W). Designed for industrial control systems, it offers high efficiency, low ripple, and superior environmental endurance, making it suitable for automation, instrumentation, and process equipment.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Keyence |
| Category |
Power Supplies |
| Part Number |
MS2-H75 |
| Subcategory |
Power Supply |
| Input Voltage |
85–264 VAC / 110–370 VDC |
| Frequency |
47–63 Hz or DC |
| Input Current |
1.9 A / 0.9 A or less (100/200 VAC) |
| Efficiency |
82–85% (typical at 100% load) |
| Leakage Current |
≤0.75 mA (at 100% load) |
| Rush Current |
25 A (100 VAC), 50 A (200 VAC) at cold start |
| Output Voltage |
24 VDC |
| Output Current |
3.2 A (75 W rated) |
| Variable Voltage Range |
±5% (via V.ADJ) |
| Ripple/Noise |
180 mVp-p or less |
| Input Fluctuation |
0.4% or less |
| Load Fluctuation |
1.5% or less |
| Temperature Fluctuation |
0.02%/°C or less |
| Startup Time |
≤500 ms |
| Output Holding Time |
≥20 ms |
| Protection |
Overcurrent (≥4.0 A automatic recovery), Overvoltage (≥26.4 V auto reset) |
| Display |
3-digit 7-segment LED (10 mm character height) |
| Memory Retention |
Approx. 10 years at 20°C |
| Cooling Method |
Natural air cooling |
| Insulation Resistance |
100 MΩ or more (at 500 VDC) |
| Ambient Temperature |
-10 to +55°C (No freezing) |
| Relative Humidity |
25–85% RH (No condensation) |
| Vibration Resistance |
10–57 Hz, 0.3 mm amplitude (X, Y, Z axes) |
| Shock Resistance |
300 m/s² (2 times per axis) |
| Safety Standards |
UL, c-UL, CSA, EN60950-1, EN50178, IEC60950-1 |
| EMC Standards |
FCC Part 15B Class A, EN55011 Class A, EN61000-6-2 |
| Housing Type |
DIN rail mountable |
| Weight |
Approx. 470 g (1.04 lbs) |
Information About MS2-H75
The MS2-H75 is part of the Keyence MS2 Series, a line of reliable industrial power supplies built for precision electronic and automation applications. It accepts a wide input voltage range of 85–264 VAC or 110–370 VDC, enabling global compatibility. The unit achieves up to 85% efficiency and features built-in overcurrent and overvoltage protection for system safety. With its natural air cooling design, wide temperature tolerance (-10 to +55°C), and compliance with major international safety and EMC standards, the MS2-H75 delivers long-term operational stability in industrial environments.
Key Features:
- Wide Input Range: Operates from 85–264 VAC or 110–370 VDC, compatible with worldwide power systems.
- Stable Output Performance: Provides a 24 VDC regulated output with 3.2 A (75 W) rated current.
- High Efficiency: Typical conversion efficiency of 82–85% at full load for energy-efficient operation.
- Comprehensive Protection: Built-in overcurrent, overvoltage, and automatic recovery functions safeguard connected equipment.
- Fast Startup: Achieves ready output in ≤500 ms at rated input and temperature conditions.
- Low Ripple Noise: Maintains output ripple of ≤180 mVp-p, ensuring clean power for sensitive electronics.
- Environmental Durability: Withstands -10 to +55°C operating temperatures and IP20-level industrial protection.
- EMC and Safety Certified: Meets UL, CE, FCC, CSA, EN60950-1, and EN61000-6-2 standards for international compliance.
- Compact and Lightweight Design: Built for space-saving control cabinets with a total weight of approx. 470 g.
- Natural Air Cooling: Eliminates the need for forced fans, reducing noise and maintenance requirements.
The MS2-H75 delivers the stable and efficient DC power required for automation, control panels, and precision instrumentation systems.
