Indoor Isolators
Indoor Isolators are used for swithcing of Transformers, Motors and MV applications. These Isolators are mounted inside Panel.
We Manufacture Indoor Isolators of Single Pole & Three Poleand range from 3.3kV To 33kV and Current from 100A to 2000A.
Indoor On Load Isolator
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₹ 40000 / Unit Get Latest Price
| Rated Current | Max 2000 Amp |
| No. of Poles | 1 Pole |
| Mounting Type | Vertical |
| Application | Inside Panel i.e in NGR Panel, Capacitor panel, MV MCC Panel, Transformer Switching |
| Material | Copper |
| Frequency | 50 Hz |
| Voltage | 3.3kV to 33kV |
| Brand | National Resistors |
| Country of Origin | Made in India |
| Switch Type | Load Break Switch |
A load break switch is a disconnect switch that has been designed to provide making or breaking of specified currents. These switches are used to de-energize or energize a circuit that possesses some limited amount of magnetic or capacitive current, such as transformer exciting current or line charging currentLoad break switches, generally comes with the spring mechanism for switching ON & OFF operations.
Load break switch with spring mechanism are generally provided with Fuse protection.
Details Required from customer to provide quotation:
Load break switch with spring mechanism are generally provided with Fuse protection.
Details Required from customer to provide quotation:
- Rated Voltage
- Rated current
- No. of Poles
- Manually operated or Motorised operated
- With Earth Switch or Without Earth switch
- STC rating
Manual Operated Indoor Isolator
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₹ 25000 / Unit Get Latest Price
| Rated Voltage | 33 kV |
| Rated Current | Max 2000 Amp |
| No. of Poles | 1 Pole |
| Brand | National Resistors |
| Mounting Type | Vertical |
| Usage/Application | Inside Panel i.e in NGR Panel, Capacitor panel, MV MCC Panel, Transformer Switching |
| Material | Copper |
| Frequency | 50 Hz |
| Switch Type | Manual Operated |
| Country of Origin | Made in India |
National Resistors offers Panel Mounted Off Load/ ON Load Isolators in Single Pole Manual Operated and Three Pole Manual Operated up to 36kV and Current Ratings from 100 Amps to 2000 Amps. Manual Isolators are Suitable for application - NGR Panels, Capacitor Panels, Medium Voltage MCC Panels etc.
Main Features:
Details Required from customer to provide quotation:
Main Features:
- High operating reliability
- Simple maintenance and inspection
- Tested in CPRI as per IS-9920
- Simple driving mechanism
Details Required from customer to provide quotation:
- Rated Voltage
- Rated current
- No. of Poles
- Manually operated or Motorised operated
- Off Load Type/ON Load Type
- With Earth Switch or Without Earth switch
- STC rating
Indoor Off Load Isolator
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₹ 25000 / Unit Get Latest Price
| Rated Voltage | 33 kV |
| Rated Current | Max 2000 Amp |
| No. of Poles | 1 Pole |
| Mounting Type | Vertical |
| Brand | National Resistors |
| Usage/Application | Inside Panel i.e in NGR Panel, Capacitor panel, MV MCC Panel, Transformer Switching |
| Material | Copper |
| Frequency | 50 Hz |
| Voltage | 3.3kV to 33kV |
| Switch Type | Knife Type/Snap Type |
| Country of Origin | Made in India |
National Resistors offers Panel Mounted Off Load Isolators in Single Pole (Manual/Motorized Operated) and Three Pole (Manual/Motorized Operated) up to 36kV and Current Ratings from 100 Amps to 2000 Amps.
Off Load Isolators are Suitable for application in process industries, Mining, Irrigation Projects, Sub Stations, NGR Panels, Capacitor Panels, Medium Voltage MCC Panels etc.
Main Features:
Details Required from customer to provide quotation:
Off Load Isolators are Suitable for application in process industries, Mining, Irrigation Projects, Sub Stations, NGR Panels, Capacitor Panels, Medium Voltage MCC Panels etc.
Main Features:
- High operating reliability
- Simple maintenance and inspection
- Tested in CPRI as per IS-9920
- Simple driving mechanism
Details Required from customer to provide quotation:
- Rated Voltage
- Rated current
- No. of Poles
- Manually operated or Motorised operated
- With Earth Switch or Without Earth switch
- STC rating
Motorized Operated Indoor Isolator
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₹ 70000 / Unit Get Latest Price
| Rated Voltage | 33 kV |
| Rated Current | Max 2000 Amp |
| No. of Poles | 1 Pole |
| Brand | National Resistors |
| Mounting Type | Vertical |
| Usage/Application | Inside Panel i.e in NGR Panel, Capacitor panel, MV MCC Panel, Transformer Switching |
| Material | Copper |
| Voltage | 3.3kV to 33kV |
| Switch Type | Motorized Operated |
| Country of Origin | Made in India |
| Frequency | 50 Hz |
National Resistors offers Panel Mounted On / Off Load Isolators in Single Pole Motorised Operated and Three Pole Manual Operated up to 36kV and Current Ratings from 100 Amps to 800 Amps. Motorised operated Isolators are Suitable for remote applications.
Main Features:
Details Required from customer to provide quotation:
Main Features:
- High operating reliability
- Simple maintenance and inspection
- Tested in CPRI as per IS-9920
- Simple driving mechanism
Details Required from customer to provide quotation:
- Rated Voltage
- Rated current
- No. of Poles
- Manually operated or Motorised operated
- Off Load Type/ON Load Type
- With Earth Switch or Without Earth switch
- STC rating
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Contact Us
Vishwanath Jetithor (Partner)
National Resistors
Ground Floor, Gat No. 1559, Shelarvasti, Dehu Alandi Road, Chikhali
Pune - 411010, Maharashtra, India
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