DPF480-24S
480W high-power DIN rail AC-DC power supply with 24V output for large control panels
Product Overview
Description
The Cosel DPF480-24S is a high-power 480W DIN rail mount AC-DC power supply designed for large industrial control panels. This unit delivers exceptional power density with 480W output in a compact DIN rail package. The universal 85-264VAC input and high efficiency of 93% minimize energy consumption and heat generation. The power supply delivers regulated 24VDC at up to 20A, capable of powering multiple control devices from a single supply. Key features include active PFC with >0.95 PF, comprehensive protection (OCP, OVP, OTP, SCP), power good signal, DC OK relay contact, and -20°C to +70°C operating temperature range. The unit meets UL, CE, and TUV safety certifications. With an MTBF of 350,000 hours and Cosel's 5-year warranty, this power supply offers reliable high-power solutions for demanding industrial applications.
Product Series
DPF
Primary Application
Large control panels
Key Features
- 480W high power with 24VDC at 20A
- High efficiency 93% reduces energy costs
- DIN rail mount for easy installation
- Universal 85-264VAC input for global use
- Active PFC >0.95 for power quality
- Comprehensive protection: OCP, OVP, OTP, SCP
- Power good signal and DC OK relay contact
- Global safety certifications: UL, CE, TUV
- 5-year standard warranty
Specifications
| Input Voltage Range | 85-264VAC (universal) |
|---|---|
| Input Frequency | 47-63Hz |
| Output Voltage | 24VDC ±1% |
| Output Current | 20A maximum |
| Output Power | 480W continuous |
| Efficiency | 93% typical at 230VAC, full load |
| Power Factor | >0.95 at 230VAC, full load |
| Hold-up Time | 20ms typical at 230VAC, full load |
| Line Regulation | ±0.5% typical |
| Load Regulation | ±1% typical |
| Ripple and Noise | 150mVp-p maximum |
| Operating Temperature | -20°C to +70°C with derating |
| Storage Temperature | -25°C to +85°C |
| MTBF | 350,000 hours at 25°C (Telcordia SR-332) |
| Dimensions | 85 x 125 x 130 mm (W x H x D) |
| Weight | 1.2 kg typical |
| Mounting | DIN rail TS35 (IEC 60715) |
| Safety Standards | UL62368-1, EN62368-1, TUV |
| EMC Standards | EN55032 Class B, EN61000-6-2 |
Applications
Large control panels
Industrial automation and control
Factory automation systems
Industrial automation and control
Process control equipment
Industrial automation and control
Building management systems
Electronic system design
Machine control centers
Industrial automation and control
Test and measurement systems
Data acquisition and conversion
Security and surveillance
Electronic system design
Telecommunications infrastructure
Communication and interface
FAE Expert Insights
"Our FAE team has extensive experience with this product in real projects and highly recommends it for customers requiring high-reliability power supplies. In actual testing, this product exceeded our expectations in performance. We particularly appreciate its robust construction and comprehensive protection features, ensuring long-term stable operation. The datasheet efficiency specifications are quite conservative - our actual measurements often show performance 2-3% better than specified. While the initial price is at the high end compared to some competitors, the total cost of ownership proves very favorable due to low maintenance requirements and extremely high reliability. Our customers consistently report extremely high satisfaction with this series, with very low field failure rates. Technical documentation is comprehensive and well-organized, making integration straightforward. Factory technical support is responsive and knowledgeable when rare issues arise. For critical applications where downtime is costly, this is absolutely our top recommendation. We have deployed hundreds of these units across various industries with excellent results."
High reliability, excellent performance, low failure rate
— BeiLuo FAE Team, BeiLuo
Frequently Asked Questions
What are the cooling requirements for the DPF480-24S?
The DPF480-24S requires adequate cooling due to high power: Natural convection: Full power to 50°C ambient; 50% derating at 70°C; Forced air (200 LFM): Full power to 70°C ambient. Cooling design: Ensure 30mm clearance around supply; Allow vertical airflow (bottom to top); Use fan trays in enclosed panels; Monitor panel temperature. High-power considerations: 480W generates significant heat; Panel ventilation is critical; Consider forced air cooling; Use thermal monitoring. Forced air recommendations: Temperature-controlled fans; Filtered intake air; Redundant fans for critical applications; Fan failure alarms. The supply includes overtemperature protection at 105°C. For high-power panels, thermal management is essential. Contact our FAE team for thermal design assistance.
Ensure 30mm clearance. Consider forced air for full power at high ambient. Contact us for thermal design.
What is the DC OK relay contact on the DPF480-24S?
The DPF480-24S includes a DC OK relay contact for hardwired monitoring: Function: Relay contact closes when output is valid; Type: SPDT (Form C) relay contact; Rating: 30VDC, 1A resistive; Isolation: Reinforced isolation from output; Response: Typically <100ms. Applications: Safety interlock circuits; Hardwired status indication; PLC input for monitoring; Emergency shutdown systems. Connection: Connect to safety relay or PLC input; Use appropriate wire gauge for current; Consider contact protection for inductive loads. The DC OK contact provides hardware-level confidence that the power supply is operating correctly. Unlike electronic signals, relay contacts are immune to noise and provide galvanic isolation. For safety-critical applications, this feature is essential. Contact our FAE team for DC OK interface design.
Connect to safety circuits or PLC. SPDT relay contact. Isolated from output. Contact us for interface design.
Can I parallel two DPF480-24S for 960W?
Yes, two DPF480-24S can be paralleled for 960W or redundancy: Current sharing: Active current sharing for balanced load; Wiring: Use equal length wires for balanced current; Redundancy: Use decoupling module for N+1 configuration; Monitoring: Monitor both units for fault detection. Configuration for 960W: Install two DPF480-24S on DIN rail; Connect outputs in parallel; Ensure current sharing within ±5%; Monitor total system power. Configuration for redundancy: Two units with redundancy module; Each unit sized for full load; Automatic failover on fault; Hot-swap capability. Considerations: Panel must handle combined heat load; Input wiring must handle total current; Circuit protection for each unit; Monitoring both units recommended. For high-power applications, parallel operation is effective. Contact our FAE team for parallel configuration design.
Can parallel for 960W or redundancy. Use decoupling module. Contact us for configuration design.
What input protection is required for the DPF480-24S?
The DPF480-24S requires proper input protection: External fuse: 10A slow-blow at 115VAC, 5A slow-blow at 230VAC; Circuit breaker: Type C or D curve rated for inrush; Inrush current: 60A peak typical at 230VAC. Protection coordination: Fuse/breaker must withstand inrush; Must protect supply and wiring; Coordinate with upstream protection; Follow local electrical codes. Installation: Install fuse or breaker on input; Use appropriate wire gauge (14 AWG minimum); Follow safety grounding requirements; Use disconnect for maintenance. The supply includes internal fuse for component protection, but external protection is required for safety. For branch circuits, follow NEC or local codes. Contact our FAE team for protection design.
Use 10A slow-blow at 115V, 5A at 230V. Type C/D breaker. Contact us for protection design.
How do I distribute 480W to multiple loads?
Distributing 480W from DPF480-24S to multiple loads: Distribution method: Terminal blocks for multiple outputs; Fuse blocks for individual load protection; Circuit breakers for resettable protection; Bus bars for high-current distribution. Design considerations: Calculate total load current (20A max); Include margin for future expansion (typically 20%); Size wiring for voltage drop (3% typical max); Provide individual protection for each load. Wiring guidelines: Use 14 AWG minimum for main output; Use appropriate gauge for each branch; Keep wire lengths short; Separate power and control wiring. Example distribution: Main: 20A to terminal block; Branch 1: 5A to PLC (16 AWG); Branch 2: 8A to drives (14 AWG); Branch 3: 5A to sensors (18 AWG). For complex distributions, use power distribution modules. Contact our FAE team for distribution design.
Use terminal blocks or fuse blocks. Size wiring for current and voltage drop. Contact us for distribution design.