Product Overview

The document details the specifications and features of the MEAN WELL TDR-480 series, a 480W three-phase industrial DIN rail power supply with Power Factor Correction (PFC) function. It is designed for industrial applications requiring reliable three-phase power conversion.

Technical Specifications

• Models: TDR-480-24 (24V output), TDR-480-48 (48V output)
• Output Power: 480W
• Output Voltage Adjustment Range: 24V model: 24–28V; 48V model: 48–55V
• Rated Current: 24V: 20A; 48V: 10A
• Current Range: 0 to rated current
• Ripple & Noise: 150mVp-p max.
• Voltage Regulation: Line regulation ±1.0%, Load regulation ±0.5%, Voltage tolerance ±1.0%
• Input Voltage Range: Three-phase 340–550VAC (dual phase operation possible), 480–780VDC
• Frequency Range: 47–63Hz
• Efficiency: Typical 92.5% at 400VAC, 93% at 500VAC
• Power Factor: Typical 0.9 at 400VAC, 0.88 at 500VAC
• Inrush Current: Cold start 50A
• Leakage Current: Less than 3.5mA at 530VAC
• Hold-up Time: 20ms at full load
• Setup and Rise Time: 1200ms/60ms at 400VAC, 800ms/60ms at 500VAC

Protection Features

• Overload Protection: Constant current limiting with shutdown after 3 seconds; requires power cycling to recover
• Overvoltage Protection: Output shutdown with recovery upon power cycling
• Over Temperature Protection: Automatic shutdown and recovery after temperature normalizes

Safety and Standards

• UL508, IEC60950-1, CB certified by UL, EAC TP TC 004 approved
• EMC Compliance: Meets EN55032 (CISPR32), EN61000 series for immunity and emission including ESD, radiated field, EFT/burst, surge, conducted disturbances, magnetic field, voltage dips, interruptions, harmonic current, and voltage flicker

Environmental and Mechanical Specifications

• Operating Temperature: -30°C to +70°C (with derating)
• Storage Temperature: -40°C to +85°C
• Humidity: Operating 20–95% RH non-condensing; Storage 10–95% RH
• Vibration: IEC60068-2-6 compliant, 10–500Hz, 2G, 10min/cycle, 60min each axis
• MTBF: Minimum 391,700 hours (Telcordia SR-332), 108,200 hours (MIL-HDBK-217F at 25°C)
• Dimensions: 85.5mm (W) x 125.2mm (H) x 128.5mm (D)
• Weight: 1.51 kg

Electrical Isolation and Withstand Voltage

• Input to Output: 3kVAC
• Input to FG: 2kVAC
• Output to FG: 0.5kVAC
• Output to DC OK (optional): 0.5kVAC
• Isolation Resistance: >100M Ohms at 500VDC, 25°C, 70% RH

Functional Features

• Power Factor Correction circuit operating at 65kHz
• Pulse Width Modulation (PWM) switching frequency at 60kHz
• Optional DC OK relay contact for status monitoring (contact ratings: 60VDC/0.3A, 30VDC/1A, 30VAC/0.5A resistive load)
• Output voltage adjustable via potentiometer

Installation and Mechanical Details

• Mounting: DIN rail TS35/7.5 or TS35/15 compatible
• Terminal assignments clearly defined for AC input, DC output, protective earth, and optional control pins
• Mechanical drawings and pin assignments provided for installation guidance

Derating and Operating Conditions

The output power derates based on input voltage and ambient temperature, with detailed curves provided. The unit supports three-phase and dual-phase operation modes.

Contact and Support Information

Contact details for MEAN WELL and Pewatron AG offices in Switzerland and Germany are provided, including specialized contacts for various sensor and power solution products.

Summary

The TDR-480 series is a robust, high-efficiency, three-phase industrial power supply with comprehensive protection features and compliance with international safety and EMC standards. It is suitable for demanding industrial environments requiring stable and reliable power delivery with power factor correction and optional monitoring capabilities.