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Reliance Electric PSC 4000 WR-D4004 is a high-current power module designed for industrial AC drive systems. As part of the PSC 4000 series, it delivers 400A continuous output (460V AC) for heavy-duty motor control. Featuring IGBT-based switching, advanced thermal management, and modular construction, it integrates seamlessly with MD-D4014B control modules to provide robust variable-speed operation in mining, material handling, and process industries.
Product Specifications
Core Specifications
Power Rating: 400A continuous, 460V AC output (600A peak for 1 min)
Topology: IGBT-based PWM inverter with 2-16kHz switching frequency (configurable)
Input Voltage: 380-480V AC, 3-phase (±10% tolerance)
Efficiency: >97% at full load
Cooling: Forced-air cooled (dual-fan assembly with thermal monitoring)
Key Functional Attributes
Modular Design
Protection Systems
Short-circuit protection (instantaneous trip <2μs)
dv/dt filtering for motor insulation protection
Thermal derating with NTC-based heatsink monitoring
Control Interface
Direct connection to MD-D4014B control module via fiber-optic gate drive links
Real-time fault reporting (overcurrent, overtemperature, DC bus faults)
Mechanical & Environmental
Enclosure: NEMA 1 (IP20) standard; optional NEMA 12 (IP54)
Operating Temp: -10°C to +50°C (derating above 40°C)
Relative Humidity: 5-95% non-condensing
Vibration Resistance: 1G @ 10-500Hz (per IEC 60068-2-6)
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