RPS-400-27 - Cables for Computers and Peripherals Mean Well - Free user manual and instructions
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| Product Type | AC/DC Power Supply |
| Model | RPS-400-27 |
| Brand | Mean Well |
| Input Voltage | 90-264 VAC (universal) |
| Output Voltage | 27 VDC |
| Output Current | 14.8 A (max) |
| Total Power | 400 W |
| Dimensions (L x W x H) | 215 x 115 x 30 mm |
| Weight | 1.1 kg |
| Efficiency (Typ.) | 94% |
| Protections | Short circuit, overvoltage, overload, overtemperature |
| Cooling | Convection cooled (no fan) |
| Operating Temperature | -30°C to +70°C (derating above +50°C) |
| Safety Standards | EN 60950-1, UL 60950-1, IEC 60950-1 |
| EMC Compliance | EN 55032, EN 55024, EN 61000-3-2 |
| Connection Type | Screw terminals (input/output) |
| Maintenance | No routine maintenance required; keep clean and dry |
| Reparability | Not user-serviceable; contact Mean Well for repairs |
| Application | Industrial control, LED signage, medical equipment (with isolation) |
Frequently Asked Questions - RPS-400-27 Mean Well
What is the input voltage range for the RPS-400-27?
The input voltage range is 90-264 VAC universal, suitable for worldwide use.
What output voltage and current does this power supply provide?
It provides a fixed 27 VDC output with a maximum current of 14.8 A, totaling 400 W.
Is the RPS-400-27 fanless?
Yes, it is convection cooled with no internal fan, making it suitable for silent applications.
What protections does the RPS-400-27 have?
It includes protections against short circuit, overvoltage, overload, and overtemperature.
What are the dimensions of this power supply?
Dimensions are 215 x 115 x 30 mm (L x W x H), a compact 1U low-profile design.
Can the RPS-400-27 be used in medical equipment?
Yes, it meets medical safety standards (2xMOPP) and is suitable for medical devices with proper isolation.
How should I connect the input and output wires?
Use the screw terminals provided. Ensure correct polarity and tighten securely. Torque to 0.5 Nm.
What is the operating temperature range?
It operates from -30°C to +70°C, with derating above +50°C. At +70°C, output power is reduced to 60%.
Is the RPS-400-27 compliant with EMC regulations?
Yes, it meets EN 55032 Class B, EN 55024, and EN 61000-3-2 for harmonic current.
Can I repair the power supply myself if it fails?
No, the unit is not user-serviceable. Please contact Mean Well or an authorized distributor for warranty or repair.
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USER MANUAL RPS-400-27 Mean Well
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Product information
Brand : Mean Well
Model : RPS-400-27
Category : Cables for Computers and Peripherals