Edge Wound Resistor
Description
Edge wound resistors can dissipate very high energy pulses in short time. They are used for low ohmic values. There are 2 families RNT and RNP, but it’s possible to customize them.
ERPL is an indian manufacturer and supplier of edge wound resistor which is a specialized type of high-power resistor designed to handle significant electrical loads and dissipate heat efficiently. It is constructed by winding a resistive wire along the edges of a ceramic core, resulting in a compact and robust structure. This unique configuration maximizes the surface area, enhancing heat dissipation capabilities. Edge wound resistors are commonly used in demanding applications, such as power distribution, motor drives, industrial machinery, and high-frequency circuits. Their ability to withstand high temperatures and maintain stable resistance values makes them indispensable components for high-performance electronics, ensuring reliable and safe operation in critical systems.
Construction
Your Trusted Edge Wound Resistor Supplier from India
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| Temperature Range | +55 degree C +375 degree C |
|---|---|
| Temperature Coefficient | +/-55ppm/degree C to 260ppm per degree C |
| Short Time Overload | 10 X Wattage rating for 5 sec. |
| 1 Sec. Overload | 25 X wattage rating |
| Resistance Tolerance | +/-10% |
| For short duration | 500 degree C |
| Insulation Resistance | >20 Mohm |
- Low temperature coefficient elements for more stable resistance.
- Edge wise helical design for efficient cooling ensures long life.
- Massive high temperature ceramic core resists shock and vibration.
- With stands servere short time overloads.
- Reliable,stainless steel elements and terminals.
- Industry standard size for quick replacement of other major brands.
- Resistors can also be supplied in enclosure.
- Custom built resistors can be made.
- Easy to assemble as a bank.
- Standard mounting frame available.
- Available in various size as per customers requirement.
- Closer tolerance available.
- Alternate mounting available.
- Variable Terminal Clamp available.
These Resistors are used in conjuction with appropriate control equipment to accelerate, dynamic braking of motors.
These resistors are also ideally suited for use in the secondary of AC wound rotor motors for accelerating speed regulating services.
These resistors are also used as neutral grounding resistors. AC and DC dynamic braking load banks, current limiting and blast for mercury vapor lamp
| DIMENSIONS(IN mm) | ||||
|---|---|---|---|---|
| POWER (KW) | A | B | C | D |
| 500W | 223 | 78 | 45 - 52 | 190 |
| 750W | 298 | 78 | 45 - 52 | 265 |
| 1000W | 373 | 78 | 45 - 52 | 340 |
| 1250W | 448 | 78 | 45 - 52 | 415 |
| 1500W | 523 | 78 | 45 - 52 | 490 |