The AVS303 protects against over voltage and under voltage on any one of the three phases as well as loss of one or more phases.
Indication and/or disconnection as a result of mains frequency error of phase sequence error is available as an option.
Fully automated switch with no moving parts, the AVS303 incorporates a contactor to switch the full load current (see the AVS3P-0 if you already have switching mechanism in place).
The AVS303-xx is available in different sizes ranging from 23 amps to 1250 amps (the –xx relates to the model number, i.e. AVS303-23 is a 23 amp per phase AVS303).
Over & Under Voltage Protection for Whole Buildings, Industrial Machinery, Air Conditioners & Freezers
Protect against
- High voltage
- Low voltage
- Spikes/surges
- Powerback surges
- Any two phases shorting together
Ideal for:
- 3 phase air conditioning
- Industrial refrigeration
- Industrial plants and machinery
Max power: From 23 amps per phase and up to 1250 amps
Wait time: User adjustable from 10 seconds to 10 minutes
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