We Jaipuria Brothers Electricals Pvt Ltd have been manufacturing wide range of 3 Pole Off Load Isolator Manuals, which finds application in irrigation ,Substations , Industries , Irrigation Projects . These 11KV / 33KV isolators are compact in design and have low maintenance cost. Our range of technically advanced three poles off load isolators can be operated manually. We also offer these products to the clients at industry leading prices.
We Jaipuria Brothers Electricals Pvt Ltd have been manufacturing wide range of 3 Pole Off Load Isolator Manuals, which finds application in irrigation ,Substations , Industries , Irrigation Projects . These 11KV / 33KV isolators are compact in design and have low maintenance cost. Our range of technically advanced three poles off load isolators can be operated manually. We also offer these products to the clients at industry leading prices.
Double Break Isolators
Owing to the presence of sound professionals, we are able to manufacture and supply a diversified range of 33 KV Double Break Isolator (Turn & Twist). We use advance technologies to manufacture these products and produce world class quality 33 KV Double Break Isolator (Turn & Twist). Our products are widely acclaimed for their precise engineering and maximum efficiency. One can avail these products at economic market leading prices.
- Jaipuria Brothers Electricals Pvt Ltd offers Isolators from 11 kv to 33 kv Lines ,
- Ranging from 200 amps to 1250 amps .
- All Isolators are manufactured as per IS 9921 & 1818.
- The Isolators are provided with earth and without earth .
- We also provide Auxiliary boxes suitable for the Isolators depending upon the customer’s requirement ( 2 no + nc) ( 4 no + 4 nc ) ( 6 no + 6 nc ) .
- All metal parts / contacts are made of heavily tinned copper alloy.
- Plated Mild steel Breaking forcing horns , Capable of breaking the magnetizing current complete with horizontal connecting bar GI pipe as down rod levers
- Coupling and operating handle with Locking arrangements with voltages upto and including 33 kv Line switch yard
- Original Post Type HT Insulators
🔧 Technical Specification – 33kV Isolator
| Parameter | Specification |
| Rated Voltage | 33 kV |
| Rated Current | 400 A / 630 A / 800 A / 1250 A (depending on design) |
| Rated Frequency | 50 Hz |
| Short-Time Current (1 sec) | 16 kA / 25 kA (IEC standard range) |
| Power Frequency Withstand Voltage | 70 kV (1 minute – phase to ground and across open contacts) |
| Lightning Impulse Withstand Voltage (BIL) | 170 kVp |
| Mechanical Endurance | Minimum 1000 operations |
| Number of Poles | 3 (Three-phase) |
| Mounting Type | Outdoor, pedestal or structure mounted |
| Operating Mechanism | Manual (rotating handle or vertical shaft), motorized available on request |
| Type | Centre Break / Double Break / Vertical Break |
| Contact Type | Silver-plated copper or copper alloy |
| Insulators | Porcelain or polymer type (IEC 61109 compliant) |
| Ambient Temperature | -10°C to +50°C (standard); up to +55°C on request |
| Altitude | ≤1000m (de-rated for higher altitudes) |
| Creepage Distance | Minimum 900 mm (for heavily polluted environments – higher creepage preferred) |