Key Features
Switched-Mode Technology: The WR-5073 utilizes advanced switched-mode technology, ensuring efficient power conversion and reliable operation.
High Efficiency: Designed for energy savings, this inverter achieves efficiency levels ranging between 81% and 91%, minimizing energy losses.
Good Regulation Dynamics: The inverter offers excellent control and response times, maintaining stable output under varying load conditions.
High Short-Circuit Current: Capable of delivering a high short-circuit current, the WR-5073 ensures robust performance even during fault conditions.
Short-Circuit Protection: The inverter is designed to be short-circuit proof, providing enhanced safety and reliability.
Compact Design: With its compact form factor, the WR-5073 is ideal for installations where space is limited.
Lightweight: The lightweight design facilitates easy handling and installation.
Deep Discharge Protection: The inverter includes deep discharge protection to extend the lifespan of connected batteries.
Electronic Bypass: An integrated electronic bypass allows for seamless switching between the inverter and mains power without interruption.
N or N+1 Operation (Optional): The inverter supports both standard and N+1 redundant operation, enhancing system reliability.
Battery Filter: Equipped with a battery filter, the inverter ensures clean and stable DC input power.
Technical Specifications
Rated Power (VA): Available in 1000, 1500, 2000, and 3000 VA models
DC Input Voltage:
24 V: 1000 VA
48 V: 1500 VA
60 V: 2000 VA
110 V: 3000 VA
220 V: 3000 VA
Input Voltage Range: -15% to +20% (for <48 V, -10% to +20%)
Output AC Voltage: 230 V ± 1%
Output Frequency: Available in 25 Hz, 100 Hz, or 50 Hz ± 0.1%
Total Harmonic Distortion (THD): <3% (with linear load)
Power Factor: 0.3 inductive to 0.8 capacitive; power reduction when deviating from cos φ = 0.8 inductive
Efficiency: 81% to 91%
Overload Capability:
125% for 10 minutes
110% for 20 minutes
Short Circuit Behavior:
Short-circuit proof, with a short-circuit current of 3x I_N for 20 milliseconds, followed by 2x I_N for 5 seconds
Noise Level: < 55 dB(A)
EMC Compliance: EN 61000-6-2, EN 61000-6-4
Test Voltages:
Input to Output: 3.75 kV AC
Input/Output to Ground: 2 kV AC
Cooling Type:
“AF” for forced air cooling
“AN” for natural air cooling
Permissible Installation Height: 1000 meters above sea level at rated load
Environmental Conditions:
Operation: 3K3 according to EN 60721-3-3
Operating Temperature: -5°C to +40°C
Dimensions: As per the datasheet
Protection Class: IP20, according to EN 60529
Execution and Operation
Design:
19-inch rack-mount or partial rack-mount for easy installation
Front-mounted input/output terminals
Front panel on/off switch for the inverter
Operating mode selector:
Continuous operation
Standby operation
Startup operation
Signaling (LED indicators on the front panel):
Consumer voltage OK
DC voltage OK
Load on inverter
Load on mains
Inverter fault
Phase position OK
Operation
Functionality
PWM Technology: The inverter operates using PWM technology with state-of-the-art power transistors for efficient power conversion.
Galvanic Isolation: The input and output are galvanically isolated, ensuring safe and interference-free operation.
Uninterruptible Electronic Bypass: An electronic bypass is integrated, enabling seamless transition between the inverter and mains power during maintenance or faults.
Remote Signaling (2 potential-free contacts):
Inverter fault
Inverter operation
Protection and Monitoring Features
Overload and Short-Circuit Protection: The inverter is equipped with robust protection mechanisms to handle overloads and short circuits effectively.
Input Under-Voltage Protection: The inverter monitors the input voltage and provides protection against under-voltage conditions.
Output Over-/Under-Voltage Protection: Both over-voltage and under-voltage conditions on the output are monitored and controlled.
Optional Features
External Remote Signaling: Additional remote signaling options can be provided for external monitoring.
Special Frequencies: The inverter can be configured to operate at special frequencies to meet specific application requirements.
This static inverter, WR-5073, is designed for high performance and reliability, making it suitable for a wide range of industrial and critical applications. Its advanced features and robust construction ensure continuous and stable power supply, even under demanding conditions.