Lambda / TDK / EMI EMHP60-500

The Lambda/TDK EMHP60-500 is a 500W regulated power supply employing SCR phase control topology for precision DC output in demanding industrial and laboratory environments. It combines fully programmable constant voltage and constant current modes with automatic crossover, forced air cooling, and built-in RFI protection to deliver stable, metered power with mode indication and contactor interlock control.

## Technical Specifications

**Output Performance**
• 500W nominal output
• Voltage ripple: 100 mV RMS (typical for this series)
• Current ripple: 0.5 A RMS (typical for this series)
• Line and load regulation: ±0.1% within ratings
• Long-term stability: ±0.05% over 8 hours under constant external conditions
• Transient recovery: typically within 1% within 200 ms
• Temperature coefficient: ±0.02%/°C of maximum rating
• Load-point regulation with IR drop compensation

**AC Input**
• Standard: 460 VAC ±10%, 50/60 Hz
• Operating range: 440–480 VAC
• Phase-to-phase balance requirement: ±2% for ripple specification
• Phase rotation sequence: not required
• 60 kW units draw 119 A @ 440 VAC

**Control & Programming**
• Fully programmable CV/CC modes with automatic crossover
• Resistance programming for voltage or current selection
• External reference voltage programming in either mode
• Optional digital programming via IEEE 488 or RS232 (factory consultation required)

## Key Features

• SCR phase control regulated topology
• Forced air cooling system
• Fully metered output with mode indicator lights
• Contactor-based interlock control for safe on/off sequencing
• Lifting eye-bolt provisions for mechanical handling
• Built-in RFI protection

## Typical Applications

• Electromagnetics testing
• Cryogenic magnet excitation
• Battery testing and simulation

## Compatibility & Integration

Digital control interfaces (IEEE 488, RS232) available through factory configuration. Physical mounting accommodates optional I-beam and caster provisions.