The MX321 is a three phase, thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes protective features to ensure safe reliable control of the generator.This AVR is used only in cojunction with permenant magnetic type alternators.

Features include:

*Stability selection & adjustment           *Under frequency roll off adjustment
*Dip adjustment                                 *Dwell adjustment
*Droop adjustment                              *Trim adjustment
*Over excitation adjustment                 *Over voltage adjustment
*Current limit adjustment                     *Ramp adjustment    

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The MX341 is a two phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes protective features to ensure safe reliable control of the generator. This model supercedes the Series 3 range.This AVR is used only in cojunction with permenant magnetic type alternators.

Features include:

*Stability adjustment                                     *Optimum response selection
*Under frequency roll off adjustment                *Dip adjustment
*Droop adjustment                                        *Trim adjustment
*Over excitation adjustment 

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The SX421 is a three phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes a number of protective features.

Features include:

*Stability selection & adjustment                     *Frequency selection
*Under frequency roll off adjustment                *Dip adjustment
*Droop adjustment                                        *Trim adjustment
*Over voltage adjustment                              *Voltage Regulation +-.5%

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The SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. This model supercedes the Series 4 range.

Features include:

*Stability adjustment                                     *Optimum response selection
*Under frequency roll off adjustment                *Droop adjustment
*Trim adjustment                              

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The SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. This model supercedes the Series 6 range.

Features include:

*Stability adjustment                           *Under frequency roll off adjustment 

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The SA465 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. This model will replace the SX460 when parrelleling features are required.

Features include:

*Stability adjustment  *Voltage Regulation +or- 1%       *Under frequency roll off adjustment *Droop Adjustment *Biasing input

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