Wide AC/DC Input Range
The MS2-H50 accepts an input range of 85 to 264 VAC or 110 to 370 VDC, covering common industrial supply voltages.
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Keyence
Keyence MS2-H50 Switching Power Supply 100-240VAC 24VDC 2.1A
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | Keyence |
| Model Number | MS2-H50 |
| Product Category | Switching Power Supply |
| Product Family | MS2 Series |
| Input Voltage | 85 to 264 VAC; 110 to 370 VDC |
| Input Frequency | 47 to 63 Hz (AC); DC also supported |
| Output Voltage | 24 VDC, adjustable ±5% (with V.ADJ) |
| Rated Output Current | 2.1 A (Class 2) |
| Output Power | 50 W |
| Ripple/Noise Voltage | 180 mV (p-p) or less |
| Efficiency | 82% typ. at AC100V; 85% typ. at AC200V (100% load) |
| Overcurrent Protection | Constant-current drooping, auto-recovery, 2.7 A or more |
| Overvoltage Protection | Activates at 26.4 V or more, voltage cut-off, recovery by input re-application |
| Cooling Method | Natural air cooling |
| Operating Ambient Temperature | -10 to +55°C (no freezing) |
| Safety Standards | UL508, UL60950-1, cUL, EN62368-1, EN50178, IEC62368-1 |
| EMC Standards | FCC Part15B Class A, EN55011 Class A, EN61000-6-2 |
| Weight | Approx. 270 g |
Key Features
24VDC / 2.1A Output
The power supply delivers a rated 24VDC output at 2.1A, corresponding to 50W output power.
Adjustable Output Voltage
Output voltage can be adjusted within ±5% using the V.ADJ trimmer.
Class 2 Output Rating
The rated output current of 2.1A is specified as a Class 2 output.
Overcurrent and Overvoltage Protection
The unit includes constant-current drooping overcurrent protection with auto-recovery and overvoltage cut-off protection that recovers after input re-application.
Compact Natural-Cooled Design
The power supply uses natural air cooling and weighs approximately 270 g, making it suitable for panel-mounted industrial control applications.
Applications
- 24VDC power for industrial control panels
- Sensor and I/O power supply in automation systems
- Machine control cabinets requiring a 50W DIN-rail supply
- Powering PLC expansion modules and interface relays
- Test and measurement equipment requiring a regulated 24VDC source
- Building automation and security system power
- Industrial equipment upgrades where a compact 2.1A supply is needed
Purchase Information
We support online purchase of the Keyence MS2-H50 Switching Power Supply. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is the Keyence MS2-H50? The MS2-H50 is a compact switching power supply in the MS2 series with a 24VDC, 2.1A output.
What is the input voltage range of the MS2-H50? The input range is 85 to 264 VAC or 110 to 370 VDC.
What is the rated output voltage and current? The rated output is 24VDC at 2.1A, with an output power of 50W.
Can the output voltage be adjusted? Yes. The output voltage can be adjusted within ±5% using the V.ADJ trimmer.
What protection features does the MS2-H50 include? The power supply includes overcurrent protection with auto-recovery and overvoltage protection with input re-application recovery.
What is the operating temperature range? The operating ambient temperature range is -10 to +55°C (no freezing).
What cooling method does the MS2-H50 use? The unit uses natural air cooling.
What safety standards does the MS2-H50 meet? The power supply is listed to UL508, UL60950-1, cUL, EN62368-1, EN50178, and IEC62368-1.
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