Basler Electric SSR 63-12 Static Voltage Regulator – Reliable Excitation Control
The Basler Electric SSR 63-12 is a robust static voltage regulator engineered for precise control of generator excitation systems. Operating from a 63 VDC control supply, this solid‑state device delivers a regulated AC output voltage adjustable between 100 and 139 VAC, making it suitable for a wide range of synchronous generators and industrial alternators.
Core Features and Design
Built with Basler’s proven power semiconductor technology, the SSR 63-12 offers fast response to load changes and transient disturbances. Its static design eliminates moving parts, ensuring high reliability and long service life even in harsh environments. The regulator incorporates voltage sensing, reference adjustment, and power amplification stages within a compact chassis, simplifying integration into new or retrofit excitation panels.
Input voltage: 63 VDC nominal (range 50–75 VDC)
Output voltage: 100–139 VAC, adjustable via potentiometer
Output current capacity: 12 A continuous
Regulation accuracy: ±1% of setpoint under steady‑state conditions
Built‑in over‑excitation protection and under‑frequency roll‑off
Operating temperature: –40 °C to +70 °C
Applications
Commonly deployed in standby power plants, marine generators, and prime‑power sets, the SSR 63-12 maintains stable terminal voltage despite varying engine speed or load. It is particularly valued in applications requiring fast dynamic response, such as motor starting or nonlinear load sharing. The regulator also supports parallel operation with other units when equipped with appropriate droop compensation.
Installation and Configuration
Mounting is straightforward via the supplied bracket, with terminal blocks clearly labelled for DC supply, sensing, and field output. An internal trimmer allows fine‑tuning of the voltage setpoint, while diagnostic LEDs indicate power‑on and fault conditions. The unit is fully encapsulated to resist moisture, dust, and vibration, complying with relevant industrial standards for generator control equipment.
Why Choose Basler Electric
With decades of experience in excitation and protection relays, Basler Electric products are trusted by utilities and OEMs worldwide. The SSR 63-12 reflects this heritage, offering a cost‑effective solution without compromising on performance or durability. Its straightforward design and broad compatibility make it an ideal choice for both new installations and field upgrades.
In summary, the Basler Electric SSR 63-12 static voltage regulator delivers dependable, accurate voltage control for AC generators, backed by a robust construction and proven solid‑state circuitry. It is a key component for maintaining power quality and system stability in demanding electrical environments.




