36kV/24KV Switchboard type JS36/JS24 | 36kV, 1250A, 26.3kA/31.5kA | 24kV, 1250A, 26.3kA/31.5kA
JS36/JS24 metal-clad, air insulated switchboards are type-tested, user friendly, designed for total operational and personnel safety together with high reliability and minimum maintenance.
Construction :
- Metal-clad switchgear, suitable for indoor installations with modular compartmentalised and bolted design
- Metal partitions segregating breaker, bus bar and cable compartments, with separate LV box.
- Circuit breaker mounted on withdrawable truck
- PT in a separate compartment or in a cable compartment as required, in fixed or drawout version
- Switchgear extensible on both sides
- Shrouds provided on bus bar joints
- Insulating material barriers provided as required
- Normally offered in powder coated finish, it can be optionally offered in Aluzinc/Gl enclosure
- Bottom/ top cable entry as required
- Bus duct entry, if required
- Earthing bus bar running longitudinally throughout the
switchgear - Outdoor version is also available With similar features
Applicable Standards :
- IEC 62271-1: Common Specifications
- IEC 62271-200: AC Metal Enclosed Switchgear and Control Gear
- IEC 62271-100: Alternating Current Circuit Breaker
- IEC 60529: Degree of Protection
- IEC 60071-2: Insulation Co-ordination
*Equivalent IS specifications as applicable.
Other components as per respective Standards.
Features :
- Use of time-tested, reliable, low-maintenance Schneider Electric vacuum circuit breaker type HVX-O
- Circuit breaker mounted on withdrawable truck
- Safe and easy truck movement behind closed cubicle door
- Low foot print Pad-lockable a) Safety Shutters b) CB door c) CB on/off access d) CB rack-in / rack-out access
- Access to cable terminals from rear
- User friendly installation and maintenance
- Optional provision of earthing switches in the feeders or separate earthing trucks
- Optional compatibility with SCADA and other systems for remote control and operation
- Optional arc flash protection systems available
Applications :
- Utilities and Power Plants
- Industries and Mines
- Renewable Energy installations
- Airports, Ports, Railways etc
- Supermarkets, Malls, Hospitals, Data Centres, Real Estate & Infrastructure Projects
In Line With Requirements of IEC 62271-200 :
- Loss of service Continuity LCS 2B
- Partition Class PM
- Interlock-controlled accessible compartments
- Tool-based accessible compartment
- Independent pressure relief vents for all HT compartments for internal arc resistance,
Safety To Personnel :
- All VCB operations including rack-in and rack-out are performed with front door closed.
- All metal partitions are earthed preventing contact with live parts
- Metallic shutters are earthed for personnel safety
Operational Safety/ Maintenance
- Fully mechanical interlocking system ensures human safety.
- Fail-safe interlocking
- Access door integrated with interlocking system.
- Use of proven and low maintenance equipments and components
Tolerance To Environment
- Full metal enclosure ensures high resistance to ingress and interference under all operating conditions
- Insulators have high anti-tracking qualities
- Special powder coating for outdoor environment