The 1KVA to 1000KVA Servo Stabilizer is either oil cooled or air cooled. Bhawani Digital Systems Pvt. Ltd. Manufactures 1KVA to 1000KVA Servo Stabilizer. Bhawani Digital Systems Pvt. Ltd. Is an ISO 9001:2008 certified company that offers UPS Systems, Automatic Voltage Regulators, Constant Voltage Transformer, Voltage Stabilizers/Correctors, Inverters, Transformers, Power Supply, Battery and Chargers. The 1KVA to 1000KVA Servo Stabilizer uses solid state control circuits, no relays, no warm-up time, for high reliability.