The Elgar 501B is a 500 VA AC power source designed for applications requiring stable and adjustable AC power output. This unit is capable of simulating various AC power conditions for testing and operational purposes. It is a solid-state linear amplifier that converts input line power to a low-distortion, stable sine wave. The 501B is part of Elgar’s B Series of AC power sources, known for their reliability and accuracy.
### Technical Specifications
* **Output Power:** 500 VA
* **Output Voltage Ranges:**
* 0-65 VRMS
* 0-130 VRMS
* 0-260 VRMS
* **Output Frequency Range:** 45 Hz to 5,000 Hz (when used with an appropriate plug-in oscillator module, sold separately).
* Note: At frequencies above 5 kHz, the output power is derated to half capacity.
* **Power Factor:** Unity to ±0.7 at full VA rating.
* **Load Regulation:** 1% over the specified frequency range.
* **Line Regulation:** 1% over the specified frequency range.
* **Distortion:** Less than 1% over the frequency range of 45 Hz to 5,000 Hz.
* **Input Power:**
* 115 or 230 VAC, ±10%, 47-63 Hz.
* Units operating with 400 Hz input power are available on special order.
* **Maximum Input Power:** 1700 Watts.
### Electrical Details
* **Output Configurations:**
* The basic power source output is single-phase.
* Multi-phase operation can be achieved by stacking two or three power amplifiers, all driven by the same plug-in oscillator.
* **Two-Phase Operation:** Requires two power amplifiers.
* **Three-Phase Operation:** Can be accomplished with three amplifiers, connected in various configurations (e.g., open-delta, phantom-wye, wye) depending on the system configuration and required output per phase.
* **Continuous Duty:** Can operate continuously at up to 150% of rated capacity.
* **Short Circuit Protection:** Included.
* **Overload Protection:** Included.
* **Over-temperature Protection:** Included.
### Interfaces and Controls
* **Front Panel:**
* Voltmeter for output voltage monitoring.
* Voltage amplitude control.
* Power circuit breaker switch.
* Power-on indicator light.
* **Rear Panel:**
* Terminal board for output connections.
* Input power cord connection.
* Cooling air exhaust.
### Physical Characteristics
* **Enclosure:** Rack-mountable enclosure designed for standard 19-inch rack mounting with slide-out capability.
* **Construction:** Aluminum interior metal and steel chassis. Front panel is aluminum.
* **Cooling:** Forced air cooling, with air drawn through a front-panel grill and exhausted at the rear.
* **Dimensions:**
* Height: 8.75 inches (222 mm)
* Width: 19 inches (483 mm)
* Depth: 23.5 inches (597 mm)
* **Operating Temperature Range:** 0°C to 50°C.
### Compatibility and Operation
* **Plug-In Oscillators:** Frequency control requires a plug-in oscillator module, which is sold separately. A variety of fixed and variable frequency oscillator modules are available with varying frequency tolerances.
* **System Configurations:** The 501B can be used in multi-unit systems to achieve higher power outputs or multi-phase operation when combined with other Elgar units (e.g., Model 400V, 400C, 4008, 400BT signal-routing plug-ins) and appropriate oscillators.
### Technical Overview
The Elgar 501B is a robust 500 VA AC power source engineered for demanding test and simulation applications. It provides a clean, stable, and precisely adjustable AC output, capable of simulating a wide range of power conditions with low harmonic distortion. The unit supports multiple output voltage ranges and a broad frequency spectrum, driven by plug-in oscillator modules. Its modular design allows for expansion into multi-phase systems, enhancing its versatility for complex testing scenarios. Built for reliability, the 501B features overload and over-temperature protection, ensuring consistent performance.
### Why Choose Aumictech for the Elgar 501B?
At Aumictech, we specialize in supplying high-end AC power sources and test equipment. Whether you need precise AC power simulation, reliable voltage and frequency control, or multi-phase power generation, our team ensures the Elgar 501B delivers maximum performance for your critical applications.
