Basler SR8A-2B06B3E Static Voltage Regulator

The Basler SR8A-2B06B3E is a solid-state static voltage regulator designed for brushless synchronous generators. This regulator provides precise automatic voltage regulation (AVR) with a 125 V DC input and a 7 A field output, suitable for medium-sized generator sets in industrial, marine, and commercial applications. The SR8A series is known for its robust design, simple installation, and reliable performance.

The regulator features solid-state construction with basic protection functions including over-excitation limiting and V/Hz protection. It includes a potentiometer for voltage adjustment, a stability control, and LED indicators for status monitoring. The SR8A-2B06B3E is designed for easy panel mounting with screw terminals for all connections. Its wide operating temperature range ensures reliable operation in harsh environments.

Technical Specifications

• Model: SR8A-2B06B3E

• Control mode: AVR (automatic voltage regulation)

• Input voltage: 125 V DC (nominal)

• Field output: 7 A continuous

• Regulation accuracy: ±1% of setpoint

• Protection: Over-excitation, V/Hz, loss of sensing

• Adjustments: Voltage setpoint, stability (gain), droop

• LED indicators: Power ON, excitation ON, fault

• Operating temperature: -40°C to +70°C

• Dimensions: 130 x 100 x 50 mm

• Certifications: CE, UL, RoHS

Functional Features

• Precise voltage regulation: Maintains output voltage within ±1% of setpoint.

• Droop adjustment: Enables reactive power sharing in parallel operation.

• Protection: Over-excitation and V/Hz limiters protect the generator.

• LED indicators: Visual status of power and fault conditions.

• Robust design: Suitable for demanding industrial environments.

Typical Applications

• Medium diesel and gas gensets: Standby and prime power for commercial and industrial facilities.

• Marine generators: Reliable voltage regulation for shipboard power systems.

• Industrial generators: Voltage control for plant power and cogeneration.

Installation and Configuration

Mount the SR8A-2B06B3E in the generator control panel. Connect the DC input, the excitation leads to the exciter field, and the voltage sensing wires (if separate). Adjust the voltage potentiometer to the desired output, and adjust the stability control for smooth regulation. The droop control is used for parallel operation.

Compliance

Complies with EMC standards, CE and UL approved, RoHS compliant.

Conclusion

The Basler SR8A-2B06B3E provides reliable, cost-effective voltage regulation for medium-sized generators, offering essential AVR functionality and protection in a robust package.