Basler Electric KR2FF‑M Voltage Regulator (9 1163 00 103)
The Basler Electric KR2FF‑M is a static voltage regulator designed for brushless AC generators, offering precise automatic voltage regulation (AVR) for a wide range of industrial and standby power applications. The model number 9 1163 00 103 identifies a specific configuration with enhanced filtering and protection features.
This regulator utilizes advanced pulse‑width modulation (PWM) control to deliver stable excitation current, maintaining generator output voltage within ±1% under steady‑state and transient load changes. Its rugged construction and conformal‑coated PCB ensure reliable operation in harsh environments, including high humidity, dust, and temperature extremes.
Key Features
Voltage regulation accuracy: ±1%
Adjustable voltage range: 90–240 VAC
Continuous output current: 12 A DC
Built‑in under‑frequency roll‑off with adjustable knee
Over‑voltage and over‑excitation protection
Remote voltage trim input (0–5 VDC)
EMI filtering for compliance with CE standards
Technical Specifications
Input power: 120/240 VAC, 50/60 Hz; output: 0–12 A DC, 125 VDC max; response time: < 20 ms for 50% load step; operating temperature: -40°C to +70°C; dimensions: 140 x 110 x 45 mm; weight: 0.6 kg.
Applications
Ideal for prime power generators, marine generators, and mobile power units. The KR2FF‑M ensures stable voltage for sensitive electronic loads, such as communication systems, computers, and medical equipment.
Installation and Adjustment
Mount the regulator on a flat panel using the provided slots. Connect the generator’s sensing leads, field terminals, and auxiliary inputs. Adjust the voltage setpoint, stability, and damping using the front‑panel potentiometers. The regulator includes a LED indicator for excitation status.
Protection and Durability
Integrated protections include loss‑of‑sensing shutdown, field overcurrent limit, and thermal overload. The PCB is coated with a moisture‑resistant lacquer, and the enclosure meets IP20 rating. The regulator is designed for continuous duty at full load.
Why Choose the KR2FF‑M?
This regulator combines proven analog technology with modern protection features, offering a reliable and cost‑effective solution for generator voltage control. Basler Electric’s extensive support and documentation make installation and maintenance straightforward.
In conclusion, the Basler Electric KR2FF‑M (9 1163 00 103) delivers dependable voltage regulation, extending generator life and improving power quality in demanding applications.




