High quality electrical equipment for power distribution and substation applications
CPRI tested isolators for safe and reliable power system operations
33 kV isolators are essential switching devices used in medium voltage distribution systems. These isolators provide a visible break for safe maintenance and operation of electrical equipment. ENSOL manufactures high quality 33 kV isolators that meet stringent national standards and are CPRI tested for reliability.
Double arm rotation providing clear visible air gap
Horizontal rotation with dual break contacts
Type tested at Central Power Research Institute
Optional integral earthing blade for maintenance safety
| Rated Voltage | 36 kV |
| Rated Current | 400A / 630A / 800A / 1250A |
| Short Time Current | 20 kA / 25 kA (1 sec) |
| BIL | 170 kV |
| Creepage Distance | ≥750 mm |
| Operating Mechanism | Manual / Motorized |
| Standards | IS 9921, IEC 62271-102 |
132 kV isolators are critical high voltage switching devices used in transmission and major distribution substations. These isolators ensure safe isolation of equipment during maintenance and provide reliable switching operations under all weather conditions.
Rotating arm mechanism for visible isolation
Vertical operation for compact substation layouts
Porcelain or polymer insulators with anti pollution design
Electrical and mechanical interlocking for safety
| Rated Voltage | 145 kV |
| Rated Current | 800A / 1250A / 1600A / 2000A |
| Short Time Current | 31.5 kA / 40 kA (1 sec) |
| BIL | 650 kV |
| Creepage Distance | ≥3625 mm |
| Operating Mechanism | Manual / Motorized |
| Standards | IS 9921, IEC 62271-102 |
245 kV isolators are extra high voltage switching devices used in major transmission substations and grid interconnection points. These isolators are designed for reliable long term operation in demanding conditions and are essential components of the transmission network.
Large air gap for extra high voltage isolation
Upward rotation for reduced clearance requirements
Optimized hardware geometry for minimal corona losses
Designed for earthquake prone areas
| Rated Voltage | 245 kV |
| Rated Current | 1250A / 1600A / 2000A / 3150A |
| Short Time Current | 40 kA / 50 kA (1 sec) |
| BIL | 1050 kV |
| Creepage Distance | ≥6125 mm |
| Operating Mechanism | Motorized |
| Standards | IS 9921, IEC 62271-102 |
Reliable protection and switching equipment for power distribution networks
AB Switches are pole mounted air break switches used for load switching and isolation in distribution networks. These switches provide a visible break and are commonly used on HT lines for load management and isolation during maintenance work.
Three pole simultaneous operation for balanced switching
Horn gap design for effective arc extinguishing
Designed for load making and breaking operations
Ready to mount on standard poles and structures
| Rated Voltage | 11 kV / 22 kV / 33 kV |
| Rated Current | 200A / 400A / 630A |
| Breaking Capacity | 200A / 400A (at rated voltage) |
| BIL | As per IS standards |
| Insulators | Porcelain / Polymeric |
| Operating Mechanism | Manual through insulated rod |
Drop Out Fuses are pole mounted protection devices used in distribution networks to protect transformers and lateral lines from overcurrent and short circuit faults. When a fault occurs, the fuse element melts and the fuse carrier drops down, providing visual indication and isolation.
Quick fuse operation to protect downstream equipment
Dropped position indicates fault location
Time current characteristics for proper coordination
All weather outdoor operation capability
| Rated Voltage | 11 kV / 22 kV / 33 kV |
| Fuse Ratings | 6A to 200A |
| Breaking Capacity | 10 kA / 12.5 kA |
| BIL | As per IS standards |
| Fuse Element | Silver / Tin plated copper |
| Standards | IS 9385, IEC 60282 |
Complete range of electrical equipment and accessories for power systems
Instrument transformers for current measurement and protection relay operation in substation applications.
Voltage transformers for accurate voltage measurement and metering in high voltage systems.
Surge protection devices that protect electrical equipment from lightning strikes and switching surges.
Complete range of cable terminations, joints, and accessories for power cable systems.
Porcelain and polymeric insulators for overhead lines and substation applications.
Comprehensive range of clamps, connectors, and hardware for power transmission and distribution lines.
Contact us for CPRI tested isolators, switchgear, and electrical equipment for your projects.