The HP/Agilent 6456B is a 3600 W SCR-regulated DC power supply delivering 0–36 V DC and 0–100 A DC for high-current industrial and laboratory applications. Dual front-panel meters provide real-time voltage and current monitoring across 0–40 V and 0–100 A scales. The unit operates in both constant voltage and constant current modes, with selectable voltage and current limit controls.
– Technical Specifications
Output Performance
• Output voltage: 0–36 V DC
• Output current: 0–100 A DC
• Maximum power: 3600 W
• Constant voltage regulation: <0.2% + 10 mV (full load to no load, ±10% line change)
• Constant current regulation: <1% or 1 A, whichever is greater (full voltage swing, ±10% line change)
• Load regulation (CV): <0.2% + 10 mV
• Line regulation (CV): <0.2% for ±10% input change
• Load regulation (CC): <1% or 1 A, whichever is greater
• Line regulation (CC): <1% or 1 A, whichever is greater
• Stability (CV, 8-hour after 30-minute warm-up): <0.25% + 10 mV at constant ambient
• Temperature coefficient: <0.05% + 2 mV per °C
• Transient recovery: <50 ms to within 300 mV following half/full load transitions
• RMS ripple: <0.15% + 16 mV
• Peak-to-peak ripple: <2 V
Protection and Safety
• AC line dropout sensing with automatic rectifier shutdown and relay isolation
• Optional internal overvoltage protection (crowbar) available; supports master/slave interlock configuration
• Inherent overcurrent protection via CV/CC operation
– Key Features
• Continuously adjustable 0–36 V output with front-panel voltage control
• Independent current limiting from 0–100 A via front-panel current control
• Large, easy-to-read analog meters for voltage and current
• Tapped rectangular bus bar output terminals
• Stable output under ±10% input voltage variations
– Typical Applications
• Electromagnet excitation and solenoid control
• High-current load testing and characterization
• Power system development and validation
• DC motor and actuator drives
– Compatibility & Integration
The 6456B accepts master/slave overvoltage protection interlock configurations for multi-unit setups.
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