Basler Electric SR4A2B05B3A – Static Voltage Regulator
The Basler Electric SR4A2B05B3A is a compact static voltage regulator designed for generators requiring up to 5 A of field current. It provides precise, stable excitation control with adjustable voltage setpoint, stability, and droop compensation.
Features
The regulator uses a PWM power stage for high efficiency. It accepts 120/240 V AC sensing inputs and delivers a regulated DC output. Voltage setpoint, stability, and droop are all field‑adjustable.
Input sensing: 120/240 V AC, 50/60 Hz
Output current: 5 A continuous (7 A surge)
Output voltage: up to 90 V DC
Regulation accuracy: ±0.5% of setpoint
Voltage adjustment range: ±10%
Droop adjustment: 0–5%
Under‑frequency roll‑off: adjustable 45–60 Hz
Protections: over‑excitation limiting, short circuit
LED indicators: power, regulation
Mounting: panel or chassis with heat sink
Operating temperature: –20 °C to +60 °C
Applications
This regulator is suitable for generator sets up to 300 kVA in industrial, marine, and standby applications.
Installation and Tuning
Mounting is via four screws. Trimpots allow rapid field tuning.
Reliability
Built with industrial‑grade components and conformal coating.
In summary, the Basler Electric SR4A2B05B3A provides precise, reliable excitation control.
