Grant Road East, Mumbai, Maharashtra
GST No. 27AABCR3403J1ZK
Oil & Air Cooled Vari Auto
Supplier & Manufacturer of Oil & Air Cooled Vari auto. This vari auto consists of Roller Carbons. It is also motorized and can be available in various capacities.Three Phase Open Type Motorized Air Cooled Variable Autotransformer
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Product Details:| Phase | Three Phase |
| Current | 160A /200A /240A /300A /400A /600A /800A /1200A |
| Frequency | 50 Hz |
| Brand | Radiotone |
| Power Source | Electric |
| Type | Motorized Air Cooled Variauto |
This is a Three Phase Open Type Motorized Air Cooled Variable Autotransformer (colloquially known as variac) with open construction. The motorized assembly has common rail at the bottom and is geared on top. Connections are provided on tinned copper bus bar. Forced air cooling is provided on each coil for long life.
Three Phase Enclosed Type Motorized Air Cooled Variable Autotransformer
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Product Details:| Phase | Three Phase |
| Current | 300A |
| Frequency | 50/60 Hz |
| Brand | Radiotone |
| Power Sour | Electric |
| Input Voltage | 415 V input |
| Type | Automatic |
This is a Three Phase Enclosed Type Motorized Air Cooled Variable Autotransformer. (colloquially known as variac) of enclosed type. It is suitable for testing application.This model has a facility for individual phase voltage setting as well as common (for all three) phase voltage setting. This facility allows on line correction / balancing of individual phase voltages by using Raise/Lower buttons provided for each phase.
Open Construction Variauto for Oil Cooled Application
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Product Details:| Phase | Single Phase |
| Voltage | 270 V |
| Current | 200A /250A /300A |
| Frequency | 50/60 Hz |
| Brand | Radiotone |
| Application | Oil Cooled |
| Power Source | Electric |
Radiotone Open Construction Variauto for Oil Cooled Application(colloquially known as variac) manufactured by us use a special technology which minimizes the heating of coils on no load (270v). In these high current rated coils, the voltage per turn is quite high leading to excessive heating even on no load due to shorting of 2 turns. Further, heat gets generated due to paralleling of carbons on the same turn.Hence using our special technology, the coils do not get heated up excessively on no load, even if kept on 24/7 (in Oil) which allows us to use 4 brushes per coil. They are useful for oil cooled applications
Radiotone 300 Amp 3 Phase Oil Cooled Variable Autotransformers
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Product Details:| Cooling Type | Oil Cooled Variable |
| Phase | Three Phase |
| Input Voltage | 415 V input |
| Output Voltage | 0-470 V variable output |
| Current | 300 Amp |
| Brand | Radiotone |
| Power Source | Electric |
Radiotone 200 Amp 3 Phase Oil Cooled Variable Autotransformers
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Product Details:| Cooling Type | Oil Cooled Variable Autotransformers |
| Input Voltage | 415 V input |
| Phase | Three Phase |
| Output Voltage | 0-470 V variable output) |
| Frequency | 50/60 Hz |
| Current | 200 Amp |
| Brand | Radiotone |
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