BK Precision 1689A Switching DC Power Supply

The BK Precision 1689 is a regulated analog DC power supply designed for continuous duty applications. It offers a variable output voltage and a high current output capability, making it suitable for a range of testing, servicing, and operational needs, particularly where a stable and precise power source is required. Its robust design and overload protection features contribute to its reliability in demanding environments.

### Technical Specifications

* **Model:** BK Precision 1689
* **Product Type:** Regulated Analog DC Power Supply
* **Output Voltage:**
* Variable: 1 VDC to 15 VDC
* Single Touch Setting: 13.8V
* **Output Current:**
* Maximum: 28 A
* Specific Rating: 28 A at 13.5 VDC
* Specific Rating: 28 A at 13.8 V
* **Line Regulation:** ≤ 0.8%, 5 mV (±2% Load)
* **Load Regulation:** 50 mV (0-100% Load)
* **Ripple and Noise:** ≤ 10 mVrms, 5 mV (peak to peak)
* **Input Power:** 120V / 60Hz
* **Metering:**
* Type: Precision Analog
* Displays: Dual analog meters for voltage and current monitoring
* **Protection Features:**
* Overload Protection: Current foldback circuit
* Over Voltage Protection: Included
* Short Circuit Protection: Included
* Reverse Polarity Protection: Included
* **Cooling:** Temperature sensitive variable speed cooling fan
* **RFI Stability:** High RFI stability

### Electrical

* **Continuous Duty Operation:** Designed for continuous duty at full load without overheating
* **Output Terminals:**
* Front Panel: Two pairs of 3A snap-in DC connectors
* Rear Panel: One pair of 28A screw-on DC output terminals
* **Fuse:** Replaceable fuse

### Physical

* **Dimensions (W x H x D):** 9.84″ x 5.5″ x 8.86″ (250mm x 140mm x 225mm)
* **Weight:** 19.9 lbs (9 Kg), 13.7 lbs

### Compatibility

* **Applications:**
* Electronics testing
* Circuit design
* Component evaluation
* Servicing high-power car stereos
* Servicing cellular phone products
* Servicing camcorders
* Servicing ham radios
* Car battery substitution
* **Series/Parallel Operation:** Can be connected in parallel for more current or in series for higher voltage

Why Choose Aumictech for BK Precision 1689?
At Aumictech, we specialize in supplying high-end power supply equipment. Whether you need a reliable power source for demanding electronics testing, precise voltage and current for intricate circuit design, or a robust solution for component evaluation, our team ensures the BK Precision 1689 delivers maximum performance for your application.