Isolator, Gang Operated
IST-11/630 Three-column Disconnector These disconnectors are no-load switching devices designed to physically isolate lines. Engineered for horizontal outdoor applications, they also support vertical installation. To ensure safety during maintenance, earthing switches are integrated for the grounding of switchyard sections. Key Features Robust Construction: All steel parts are hot-dip galvanized to BS 729 (min. 80 microns). Flexible Connectivity: Fitted with clamp connectors
IST-11/630 Three-column Disconnector
These disconnectors are no-load switching devices designed to physically isolate lines. Engineered for horizontal outdoor applications, they also support vertical installation. To ensure safety during maintenance, earthing switches are integrated for the grounding of switchyard sections.
Key Features
- Robust Construction: All steel parts are hot-dip galvanized to BS 729 (min. 80 microns).
- Flexible Connectivity: Fitted with clamp connectors for ACSR conductors up to 18.2mm diameter.
- Reliable Operation: Manual horizontal rotary type movement with single grounding capabilities.
Product Attributes
Technical Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Model NO. | IST-11/630 | Rated Voltage | 36 kV |
| Rated Frequency | 50 Hz | Rated Normal Current | 400 Amps |
| Lightning Impulse Withstand | 200 kV | Power Freq. Withstand (Dry) | 95 kV |
| Short Time Withstand (3s) | 18.0 kA | Min. Creepage Distance | 900 mm |
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