Paras series of panels are air insulated, metal clad, withdrawable type vacuum circuit breaker panels. these panels are designed for small foot prints, with just 600mm panel width for 31.5kA fault levels.
Fault Levels
Compact
Vacuum Circuit Breaker
Options available in Magnetic actuator mechanism and spring operated mechanism
Comes with both mid mount cassette type and roll on floor versions
Equipped with all safety interlocks
Application
- Capacitor bank switching
- Transformer switching
- Motor switching
- Feeder switching
- Furnace switching
Market Segments
- Utilities (primary and secondary)
- Generation
- Industries
- Large Buildings
- Oil & Gas
- Infrastructure
Technical data for circuit breaker
| Description | 12kV |
|---|---|
| Nominal System Voltage | 11kV |
| Highest System Voltage | 12kV |
| Rated One Minute Power Frequency Withstand Voltage | 28kV |
| Rated Lightning Impulse Withstand Voltage | 75kVp |
| Rated Continuous Current | upto 1250A |
| Rated Short Circuit Breaking Current | 21kA |
| Rated Short Circuit Making Current | 62.5kAp |
| Rated Short Time Withstand Current | 25kA/3sec. |
| Rated Peak Withstand Current | 62.5kAp |
| Insulation medium | SF6 |
| SF6 gas pressure | 0.5 bar at 20 deg C |
| Operating sequence | 0-0.3sec-Co-3min-Co |
Technical data for load break switch
| Description | 12kV |
|---|---|
| Rated nominal current | 630A |
| Rated active load break current | 630A |
| Rated short time withstand current | 21kV |
| Rated duration of short circuit | 3sec |
| Rated peak withstand current | 52.5kA |
| Impulse withstand voltage | 75kV |
| Operating mechanism | |
| Local: close-open | Hand lever |
| Remote: close-open | motor |
Applicable Standards
- IEC 62271-1: High-voltage switchgear and controlgear: common specifications
- IEC 62271-200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and
up to and including 52 kA - IEC 62271-100: High-voltage switchgear and controlgear – Alternating current circuit-breakers
- IEC 62271-106: High-voltage switchgear and controlgear – Alternating current contactors,contactor-based controllers and motor-starters
- IEC 62271-103: High-voltage switchgear and controlgear – Switches for rated voltages above 1 kV up to and including 52 kv
- IEC 62271-102: High-voltage switchgear and controlgear – Alternating current disconnectors and earthing switches
- IEC 61869-2: Instrument transformers – Current transformers
- IEC 61869-3: Instrument transformers – Inductive voltage transformers
- IEC 60044-8: Instrument transformers – Electronic current transformers
- IEC 62271-105: High-voltage switchgear and control gear – Alternating current switch-fuse combinations
- Optimum Solution for Distribution Networks. Download
