Integrated Instruments & Systems Private Limited manufactures Servo Controlled Three Phase Voltage Stabilizers. Integrated Instruments & Systems Private Limited is an ISO 9001:2000 certified company. The Company also manufactures power electronic systems. The Servo Controlled Three Phase Voltage Stabilizers have input voltage ranging from 160-260V AC. The Servo Controlled Three Phase Voltage Stabilizers has natural air cooled cooling system. These Voltage Stabilizers have zero waveform distortion and is unaffected by load power factor. These Voltage Stabilizers have all solid state electronic IC control circuits.