400W 24V DC LRS Industrial Switching Power Supply

The LRS-400-24 switching power supply is a 24V 400W industrial power supply designed for automation and telecommunications environments. As a core component of the LRS series power supply lineup, this model provides a stable 24V DC output with a high current capacity of 16.7A. This AC-DC enclosed power supply adopts an ultra-low-profile design. It fits 1U rack-mount cabinets as well as industrial enclosures with limited installation space.
Technical Specifications
The LRS-400-24 switching power supply follows strict factory parameters:
- DC Output: 24V 16.7A (Adjustable via +V ADJ )
- Rated Power: 400W Max
- AC Input: 100-120VAC / 200-240VAC (Selectable via manual toggle switch)
- Input Frequency: 47-63Hz
- Cooling System: Forced air cooling by built-in intelligent DC fan
- Dimensions: 215 * 115 * 30 mm (Standard 1U profile)
- Protection Classes: Short-circuit, Overload, Over-voltage, Over-temperature
- Certifications: CE, CCC, EAC, RoHS
Note: Please check the input voltage switch before power on to avoid unit damage.
Performance and Material Construction
Our 24V 400W industrial power supply adopts pure copper transformer and pure copper coil internally. It is built with FR-4 green fiber circuit board and circuit capacitors. The AC-DC enclosed power supply is housed in a ventilated metal mesh enclosure, which, combined with the active DC cooling fan, ensures reliable thermal management during continuous operation.
Ultra-Thin Structural Design
The standout feature of this LRS-400-24 switching power supply is its 30mm height. This low-profile design allows it to fit into standard 1U chassis or compact control boxes. Despite its slim form factor, the 400W 24V DC switching power supply delivers steady output and stable DC voltage for long-hour industrial operation.
Industrial Applications
The LRS industrial series power supply is suitable for multiple professional sectors:
- Industrial Automation: Powering PLC systems, sensors, and motor drivers.
- LED Signage: Stable 24V DC for large-scale outdoor displays and architectural lighting.
- 3D Printing: High-current support for heated beds and extrusion motors.
- Security & CCTV: Centralized power for multi-channel surveillance systems.
- Telecommunications: Reliable power for networking hubs and data servers.
Advantages of the LRS series power supply
As the manufacturer of the 400W 24V DC switching power supply, CNNANMA offers reliable quality and dedicated technical support. Our 24V 400W industrial power supply is produced under ISO9001-certified systems. Factory QC procedures include full-load burn-in testing before shipment. Our LRS series power supply carries CE, CCC, EAC and RoHS certifications to support global B2B purchases. You can benefit from standardized quality, open supply information and direct-from-factory pricing.
FAQ
Q: What safety protections does this AC-DC enclosed power supply have?
A: It offers short-circuit, overload, overvoltage and over-temperature protection.
Q: Does this 400W 24V power supply come with a cooling fan?
A: Yes. This 400W 24V DC switching power supply has a built-in intelligent DC fan for forced-air cooling, delivering effective heat dissipation for continuous full-load work within specified conditions.
Q: What are the overall dimensions of the LRS-400-24 power supply?
A: This LRS series power supply is an ultra-thin 1U unit measuring 215 * 115 * 30 mm, suited for space-limited control cabinets and compact equipment installation.