The Transistor Devices WCL488-100-1000-12000 is a water-cooled programmable electronic load rated for 12 kW continuous power dissipation. It delivers precise load simulation across seven voltage ranges (10 V to 800 V FS) and six current ranges (100 A to 1200 A FS), with operation capability below 1 V at high current. The unit operates in constant current, constant resistance, constant voltage, constant power, and pulse modes, offering ±0.5% programming accuracy and short-circuit capability down to 0.0002 Ohms maximum.
Technical Specifications
• Power Rating: 12 kW maximum input
• Voltage Ranges (Full Scale): 10 V, 20 V, 50 V, 100 V, 200 V, 400 V, 800 V
• Current Ranges (Full Scale): 100 A, 120 A, 500 A, 600 A, 1000 A, 1200 A
• Short Circuit Capability: 0.0002 Ohms, 0.001 Ohms, 0.003 Ohms maximum
• Programming Accuracy: ±0.5% of selected full scale
• Water Cooling: Minimum 3 gpm @ 10°C for 12 kW dissipation; automated flow regulation prevents condensation
• Input Configuration: Up to 400 V DC or higher and 1000 A DC or higher depending on module configuration
– Key Features
• Five operating modes ensure flexibility across diverse test scenarios
• Range switching capability provides increased resolution and accuracy
• Synchronized paralleling of up to 10 units creates systems up to 120 kW, controlled as a single unit through master/slave configuration
• IEEE-488 programmable interface with remote enable and external programming support
• Front panel controls include current limit, voltage limit, power limit, slew rate adjustment, and encoder resolution configuration
• Sense terminals (S+, S−) and synchronized output signal (SYN) terminal for precision voltage sensing
• Modular design architecture using standard building blocks
– Typical Applications
Suitable for power supply testing, battery charger validation, inverter load simulation, fuel cell characterization, and high-current power electronics testing where precise programmable loading and thermal management are critical.
– Compatibility & Integration
The WCL488-100-1000-12000 operates as a master unit or slave module in multi-unit arrays with WCS series modules. Standard 44-inch or 60-inch rack enclosures accommodate single or stacked configurations; complete 120 kW systems reach 60 inches in height. Dimensions: 22 inches wide × 36 inches deep.
