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General Industrial & Engineering Products
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Suppliers Directory
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Insta Controls
Ptc Thermistors, Thermistor Protection Relays, Thermal Switches, Rtds, Btds
| | Products : |
Ptc Thermistors, Thermistor Protection Relays, Thermal Switches, Rtds, Btds |
| Address : |
Shed No: 6 & 7, Vishnu Malati Industrial Estate, Shivane, |
| Telephone : |
+(91)-(20)-5292112/5290059020-592111, 5290059 |
| Fax : |
+(91)-(20)-5292113, |
| Send : |
On-Line Trade Inquiry |
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Products |
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Thermistor Protection Unit - Introduced by Insta Controls, the Thermistor Protection Unit permits operation of motor only at safe and rated loads. The unit helps transformers and electrical machines and comprises PTC thermistors and an electronic relay unit. One set of thermistor can be connected to the TPU 01 DIN. Each set of thermistor consists of 3 thermistors in series (for three phase transformers/motors, 1 thermistor per phase) and the response temperature depends on the thermistors. As long as the temperature is not reached, the relay unit will not get actuated. The set of thermistors is wired to the terminals and when the temperature of the equipment exceeds the tripping temperature, the relay releases. When the temperature lessens below the safe level of the tripping temperature, the relay is reactuated. Up to 9 PTC Thermistors can be wired in series. Temp Sense reduces maintenance costs and repair cost of machine failures due to overloading; permits operation of motor only at safe and rated loads; cuts down inventory and repair costs and eliminates blocking of capital; and most efficient, economical way to protect motors from failure through a host of causes.These are the key features of this Unit
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PTC Thermistors - Insta Controls, Pune offers thermistors with positive temperature Coefficient (PTC) utilised for temperature sensing of windings. They come with 3 and 4mm pill especially suitable for embedding into the windings of electric motors and transformers. The company also offers other thermistor types also available for overload protection, temperature control and sensing of electronic sub-assemblies, heat sinks, transformers etc. These thermistors are manufactured in accordance with DIN 44081 and 44082 and their small thermal mass make them favourable for temperature sensitivity increasing the resistance sharply in the region of the nominal response temperature. Its Temp Sense unit, this signal can switch off power circuit of electric motors and transformers and are available in standard (4mm) and miniature (3mm) versions and its resistance at room temperature is < 250 ohms and <100 ohms respectively.
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Thermal Overload Protector - Insta Controls introduces thermal overload protectors (TOP) that virtually fit into the smallest motor, transformer or any other switching temperature. Whenever the equipment gets hot and the switching temperature of the TOP is completed the contact of TOP changes. Automatic operation makes it a fail-safe and tamper-proof device. Features: miniature size of 10 mm diameter, different current ratings - 3A, 7A, & 14A continuous, wide range of switching temperatures: -60ēC to 160ēC., no insulation sleeve needed as the body of TOP isolated. Teflon wire leads capable of withstanding very high temperatures, excellent accuracy and higher life due to separate current carrying, temperature sensing and switching discs, temperature sensing disc never under mechanical or electrical stress. These find application in single-phase motors, mono bloc/jet pumps/submersible pumps, FHP motors, domestic appliances such as hair dryers, mixers, washing machines, etc.
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