Graycell · Medium Voltage Solutions

MEDIUM VOLTAGE
SWITCHGEAR PANELS.

Precision engineered Medium Voltage SwitchGear Panels featuring 11kV / 22kV / 33kV ratings, continuous current ratings up to 2500A, 21kA short-circuit withstand, fully type-tested to IEC 62271, and available in indoor or weatherproof outdoor IP54 configurations.

Fully Tested PanelVoltage Ratio – 11kV / 22kV ClassCurrent Ratio up to 2500AInstallation – Indoor / Outdoor
01 / MEDIUM VOLTAGE SWITCHGEAR PANELS2500A · 21kA

Fully Tested Panel

IEC type tested switchgear assemblies
STUDIO SPECIFICATION PHOTOGRAPH
Fully Tested Panel

Overview & Panel Engineering

Graycell manufactures fully type-tested Medium Voltage SwitchGear Panels engineered in compliance with international IEC 62271 standards. Integrating Siemens VCB and RMU technologies for maximum operating safety and short-circuit withstand performance.

Key Features

Complete type test certificate portfolio from NABL accredited test laboratories
Metal-clad compartmentalized design with internal arc containment
Safety interlocks preventing improper manual operation
Built for rigorous continuous operation in industrial & utility environments

Technical Parameters

Testing StandardIEC 62271-200 / IEC 62271-100
Internal Arc Rating21kA for 1 Second (AFLR)
Short Circuit Withstand21kA for 3 Seconds
Switchgear TechSiemens Vacuum Circuit Breaker (VCB) / RMU
02 / MEDIUM VOLTAGE SWITCHGEAR PANELS2500A · 21kA

Voltage Ratio – 11kV / 22kV Class

11kV & 22kV medium voltage class
STUDIO SPECIFICATION PHOTOGRAPH
Voltage Ratio – 11kV / 22kV Class

Overview & Panel Engineering

Custom Medium Voltage SwitchGear Panels designed specifically for 11kV, 22kV, and 33kV distribution networks. Built for seamless integration into municipal utilities, industrial plants, commercial towers, and renewable energy substations.

Key Features

Optimized dimensions for compact indoor electrical rooms
Precise potential transformer (PT) & current transformer (CT) metering integration
Compatible with numeric protection relays and SCADA protocols
High dielectric withstand and low partial discharge levels

Technical Parameters

Nominal System Voltage11 kV / 22 kV / 33 kV
Rated Frequency50 Hz / 60 Hz
Insulation Level (BIL)75kV BIL (11kV) / 125kV BIL (22kV)
Busbar MaterialHigh Conductivity Electrolytic Copper / Aluminium
03 / MEDIUM VOLTAGE SWITCHGEAR PANELS2500A · 21kA

Current Ratio up to 2500A

Busbar ratings up to 2500A, 21kA
STUDIO SPECIFICATION PHOTOGRAPH
Current Ratio up to 2500A

Overview & Panel Engineering

Heavy-duty Medium Voltage SwitchGear Panels with continuous current ratings up to 2500A and short-circuit ratings up to 21kA for 3 seconds. Engineered to handle large power transfers in heavy manufacturing, mining, data centers, and power utilities.

Key Features

High thermal capacity busbars minimizing temperature rise under full load
Robust copper busbar jointing with high mechanical clamp force
Dedicated cable entry and termination compartment
Engineered for maximum operational lifespan under continuous 2500A duty

Technical Parameters

Rated Normal CurrentUp to 2500 Amperes (2500A)
Short Time Current21 kA for 3 Seconds
Peak Withstand Current52.5 kA Peak
Busbar PlatingSilver / Tin Plated Electrolytic Copper
04 / MEDIUM VOLTAGE SWITCHGEAR PANELS2500A · 21kA

Installation – Indoor / Outdoor

Weatherproof indoor and outdoor panels
STUDIO SPECIFICATION PHOTOGRAPH
Installation – Indoor / Outdoor

Overview & Panel Engineering

Flexible housing configurations available in IP4X indoor panels for substation control rooms, or heavy-duty weatherproof IP54 outdoor kiosks engineered for harsh tropical, coastal, or dusty industrial outdoor environments.

Key Features

Rust, corrosion, and UV-resistant outdoor powder coating finish
Anticondensation space heaters with thermostatic control
Padlockable doors and ergonomic rack-in / rack-out VCB mechanism
User-friendly design for safe inspection, testing, and routine maintenance

Technical Parameters

Indoor ProtectionIP4X / IP42 compartmentalized
Outdoor ProtectionIP54 Weatherproof Kiosk
Sheet Steel Gauge2.0mm CRCA / GI Sheet Steel
Surface Finish7-Tank Powder Coated Polyurethane