California Instruments 1251P AC Power Source

The California Instruments 1251P is a versatile programmable AC power source designed to simulate a wide range of AC power conditions for various testing and evaluation applications. Its portability and user-friendly interface make it suitable for both laboratory and production environments.

### Technical Specifications

**General:**

* **Model:** California Instruments 1251P
* **Type:** Programmable AC Power Source
* **Output Power:** 1250 VA
* **Phase:** Single Phase
* **Cooling:** Convection
* **Controller Type:** Programmable
* **Controls:** Digital Encoders
* **Readout:**
* Voltage: 4-digit LCD
* Frequency and Current: 4-digit LCD
* **Non-Volatile Setups:** Available with Option -232
* **Warm-up Period:** Specifications warranted after a 30-minute warm-up period

**Electrical Specifications:**

* **Input Voltage Range (Nominal):** 100V to 240V AC
* **Input Voltage Range (Maximum):** 85V to 264V AC
* **Input Frequency:** 47 Hz to 63 Hz
* **Input Current (Max RMS):** 15 A
* **Efficiency:** 80% typical (varies with line and load)
* **Power Factor:** >0.95 typical
* **Hold-Up Time:** 20 ms
* **Isolation Voltage:** Not specified

**Output Specifications:**

* **Voltage Ranges (L-N):**
* Low: 0-135 VRMS
* High: 0-270 VRMS
* **Voltage Accuracy:**
* @ 50/60 Hz: ±1% FS
* @ 400 Hz: ±2% FS
* Resolution: 0.1 V
* **Frequency Range:** 16 Hz to 500 Hz
* **Frequency Accuracy:** ±0.02% of programmed value
* **Frequency Resolution:** 0.1 Hz (16.0-99.9 Hz), 1 Hz (100-500 Hz)
* **Output Current (Steady State):**
* High Voltage Range (0-135V L-N): 9.2 A RMS
* Low Voltage Range (0-270V L-N): 4.6 A RMS
* **Output Current (Peak):**
* High Voltage Range (0-135V L-N): 27.6 A
* Low Voltage Range (0-270V L-N): 13.8 A
* High peak current capability (more than three times RMS)
* **Current Limit:** Programmable, from zero to maximum available current
* **Current Limit Resolution:** 0.1 A RMS
* **Current Measurement:**
* Range: 0.0 – 10.0 A RMS
* Accuracy: ±0.2 A RMS
* Resolution: 0.1 A
* Sensing: True RMS
* **Output Distortion (THD):** Low THD. Less than 0.5% typical at 50/60 Hz. Suitable for IEC 1000-3-2 pre-compliance testing.
* **DC Offset Voltage:** Less than ±25 mV with linear load
* **Output Noise:**
* <0.2 VRMS on 135V range * <0.5 VRMS on 270V range**Protection Features:*** **Current Limit Mode:** Programmable (reduces output voltage) * **Over Temperature:** Yes * **Over Voltage:** Yes**Interfaces and Communication:*** **Remote Control Option:** Available (-232 option for RS232C) * **RS232C Interface:** Available with Option -232 * Baud Rate: 9600 * Data Bits: 8 * Parity: None * Stop Bits: 1 * Command Language: SCPI * **IEEE-488 Interface:** Available * Address: 0-31 * Functions: SH1, AH1, T8, L3, RL2, SRQ0, PP0 * **Windows Graphical User Interface (GUI) Software:** Included with RS232C option for PC control**Physical Specifications:*** **Dimensions (H x W x D):** * 8.25 x 8.5 x 17.5 inches * 210 x 216 x 445 mm * 3.5 x 16.8 x 22 inches (89 x 427 x 560 mm) for RP Series * **Weight (Net):** * 30 lbs / 13.6 kg * 34 lbs / 15.4 kg (RP Series) * **Front Panel Outputs:** Available * **Rear Panel Outputs:** Available * **Line Cord Options:** Available for different countries (e.g., Europe)**Environmental Specifications:*** **Operating Temperature:** 0°C to 40°C * **Storage Temperature:** -40°C to +85°C * **Vibration and Shock:** Designed to meet NSTA-1A**Regulatory Compliance:*** **Safety Tested:** UL and CSA Safety Tested * **Emissions:** CE (for RP Series)**Compatibility:*** **IEC Compliance Tests (with optional PACS system):** * IEC 61000-3-2 Harmonics * IEC 61000-3-3 Flicker * IEC 61000-4-11 Voltage Dips and Variations * IEC 61000-4-13 Harmonics & Interharmonics * IEC 61000-4-14 Voltage Fluctuations * IEC 61000-4-28 Frequency VariationsWhy Choose Aumictech for California Instruments 1251P? At Aumictech, we specialize in supplying high-end AC power source equipment. Whether you need precise voltage and frequency simulation, robust performance for avionics testing, or reliable output for electronics manufacturing, our team ensures the California Instruments 1251P delivers maximum performance for your application.