Magnum Preventor with Auto – 'Mini', prevents single phasing thereby giving much needed protection to your appliance. It also comes with auto start option.
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MAGNUM SP-2 Preventor is a device housing a powerful electronic circuit which prevents three phase operated electrical machines from single phasing and dry run protection.
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MAGNUM Preventor – Toroidal is the most cost effective, simple yet trusted product to safeguard motors/pumps from single phasing.
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MAGNUM Sona type Preventor is a device housing a powerful electronic circuit which prevents three phase operated electrical machines from single phasing and dry run protection.
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MAGNUM Bakelite Auto Start Unit is a powerful electronic circuit which automates the start operation of any three phase device.
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Magnum ABS Auto Start unit is a great device offering convenience to the user by switching on his pump/motor automatically once power supply resumes.
View Details →Full specification matrix across Electrical Specifications, Protection Features, Dimensions and Indications.
↔ Scroll horizontally to compare all models| Model | Rakshak | Toroidal | Sona | SP2 |
|---|---|---|---|---|
| PRTMT | PRTT | PRTS | PRTSP | |
| Mechanism | Voltage Sensing | Current Sensing | Current Sensing | Current Sensing |
| Mounting | Wall Mount | Wall Mount | Wall Mount | Wall Mount |
| Electrical Specifications | ||||
| Rated Voltage | 440V AC | 440V AC | 440V AC | 440V AC |
| Rated Insulation Voltage | (Ui) – 690V AC | (Ui) – 690V AC | (Ui) – 690V AC | (Ui) – 690V AC |
| Frequency | 50 Hz | 50 Hz | 50 Hz | 50 Hz |
| Protection Features | ||||
| Single Phasing Protection | YES | YES | Yes | Yes |
| Voltage Protection | YES | NO | NO | NO |
| Dry Run Protection | NO | Yes, partially | Yes, partially | Yes, partially |
| Trip/Failure Indication Available | Yes | Yes | No | No |
| Dimensions (L × B × H) | 105*30*80 | 150*45*40 | 210*115*55 | 175*115*50 |
| Net Weight | 0.100 | 0.190 | 0.610 | 0.470 |
| Indications | yes | |||
| Healthy | yes | Yes | No | No |
| Phase failure, imbalance | yes | No | No | No |
| Auto Start Option | YES | NO | NO | NO |
| On-Delay Timer | YES | NO | NO | NO |