California Instruments 4503L AC Power Source

The California Instruments 4503L is a versatile AC power source designed to simulate a wide range of global AC power conditions for comprehensive testing of electronic devices. It offers both single-phase and three-phase output capabilities, with options for different voltage ranges and frequencies, making it suitable for various application requirements. The unit emphasizes high efficiency, reduced heat dissipation, and a compact design for its power output.

### Technical Specifications

* **Output Power:** 4500VA (single-phase) or 1500VA per phase (three-phase)
* **Output Voltage Ranges:**
* Standard: 0-135V or 0-270V RMS L-N
* Optional: Up to 400V RMS L-N
* Programmable range change is included.
* **Output Frequency Range:** 45Hz to 550Hz, with some sources indicating up to 5kHz or 45Hz to 550Hz.
* **Phase Configuration:** Single or three-phase
* **Input Voltage:**
* Model 4503L: 187V to 252V three-phase L-L
* Model 4503L with -UP Option: 187V to 456V L-L
* Some configurations may accept 187V to 252VAC, 3 phase, 45 to 440Hz.
* **Efficiency:** Greater than 80% typical
* **Power Density:** High power per inch
* **Heat Dissipation:** Less heat dissipated compared to previous generation systems

### Electrical Characteristics

* **Voltage Accuracy:**
* With Programmable Controller: ±0.135V from 5V to 195V, ±0.54V from 135V to 270V (all at 2540 ±140 based on TRMS reading).
* TRMS Sense: ±0.05% full-scale no load to full load.
* Line Regulation: ±0.02% of full-scale for ±10% line change.
* **Load Regulation:** ±0.05% F.S. No Load to Full Load with Programmable Controller.
* **Stability (Amplitude):**
* ±0.05V per 1000 hr. at 25°C.
* ±0.25% over 24 hours at constant line, load, and ambient temperature.
* **Total Harmonic Distortion (THD):**
* Less than 1%, 45Hz to 2kHz.
* Less than 2%, 2kHz to 5kHz (All with Linear Load).
* **Frequency Response:** ±0.5 dB over full power frequency range.
* **Crest Factor:** 2.5

### Control and Programming

* **Controllers:** Manual or Programmable Control options are available.
* **Programmable Functions:** Comprehensive set of programmable functions..
* **Programming Languages:** CIIL (California Instruments Interface Language) and APE (Abbreviated Plain English). IEEE-488 bus, VXI bus, and RS232 (via translators) are supported for bus programming.
* **Front Panel Control:** Available for output voltage range control.
* **Remote Sense:** Mating connectors are provided.
* **Waveform Control:**
* Programmable start of sine wave from 0 to 360 degrees with 0.1-degree programming.
* Set voltage surge starting at any phase angle from 0.001 sec to 2 hours duration.
* Set sweeps of voltage and/or frequency/phase angles.
* Optional output waveform control.
* **Other Programmable Features:**
* Programmable dropout feature for ride-through testing.
* Function strobe output with any change of state.
* Programmable current limiting, overvoltage protection, and adjustable reverse polarity prevention.
* Low noise operation mode (LNO) and adjustable output noise filtering.

### Interfaces

* **Input Connectors:** Rear terminal block (TB-3).
* **Output Connectors:** Rear mount terminal block (TB-1).
* **Remote Sense Connectors:** Provided.
* **Communication Interfaces:** IEEE-488, VXI bus, Ethernet LXI, USB, RS232, and optional GPIB.

### Physical and Environmental

* **Operating Temperature Range:** 0°C to 55°C.
* **Storage Temperature Range:** -40°C to +85°C.
* **Construction:** Rugged steel case with a lightweight polycarbonate material for heat dissipation and EMC/RF shielding.
* **Cooling:** Dual fan cooling system.

### Fault Protection

* **Overcurrent, Short-Circuit, Overpower:** Programmable controller shuts down the system. Manual controller illuminates an OVERLOAD indicator. Output voltage is clipped, and the system automatically recovers.
* **Thermal Protection:** Illuminates an OVERTEMP indicator. System automatically recovers.

Why Choose Aumictech for California Instruments 4503L?
At Aumictech, we specialize in supplying high-end AC power source equipment. Whether you need precise simulation of global AC power conditions, robust performance for demanding test applications, or flexible control options for automated testing, our team ensures the California Instruments 4503L delivers maximum performance for your application.