What We Deliver

Electrical
Infrastructure
Built Right

From high-voltage substations to GMP-compliant pharmaceutical lab wiring — SLN Enterprises delivers precision electrical contracting across every voltage level and every industry.

11kV
to 66kV HT Range
415V
LT Distribution
9+
Years Executing
100+
Skilled Personnel
High Tension substation with engineer
Service 01
01
Service 01 · Above 1kV

High Tension
Electrical Works

Substations · Switchgear · HT Cabling

We specialise in the complete design, installation, and commissioning of high-voltage electrical infrastructure. Our expert teams handle complex HT systems across 11kV, 33kV, and 66kV voltage levels — ensuring strict regulatory compliance, zero-downtime energisation, and long-term reliability.

11kV Systems
33kV Systems
66kV Systems
XLPE Cabling
  • 🏗️
    Substation & Switchyard Design & Commissioning
    End-to-end design, erection, and energisation of 11kV / 33kV / 66kV substations and switchyards for industrial campuses.
  • ⚡
    Transformer Erection, Testing & Maintenance
    Installation of oil-filled and dry-type distribution transformers, complete with pre-commissioning testing and scheduled maintenance programs.
  • 🔧
    HT Panel & Switchgear Installation
    Supply and installation of VCBs, Ring Main Units (RMUs), and metal-clad switchgear panels for high-voltage protection and metering.
  • 🔌
    HV Underground Cabling, Jointing & Terminations
    Heavy-duty XLPE insulated HT cable laying, precision jointing, and terminations for reliable high-voltage underground power transmission.
  • 🛡️
    Safety Audits & Regulatory Certification
    Comprehensive insulation resistance, high-voltage testing, and safety audits ensuring full compliance before final energisation sign-off.
Get a Quote for HT Works →
Main LT panel PCC MCC with SLN engineer
Service 02
02
Service 02 · Up to 1kV

Low Tension
Power Distribution

LT Panels · MCC · Industrial Wiring

Once power is stepped down, our LT services ensure it is safely, efficiently, and reliably distributed throughout your entire facility. We build bespoke LT networks engineered to handle your specific load requirements while maximising equipment protection and energy efficiency.

415V 3-Phase
230V 1-Phase
PCC / MCC
APFC Panels
  • 📦
    Main LT Panels & Power Control Centres (PCC)
    Custom-built main LT panels and PCCs with ACBs, energy meters, and metering instrumentation tailored to your facility's load profile.
  • ⚙️
    Motor Control Centres (MCC) & Power Distribution Boards (PDB)
    MCCBs, motor starters, soft-starters, and VFD integration within MCC panels for factory floors and process-driven facilities.
  • 🔋
    Comprehensive Internal Electrification & Industrial Wiring
    Complete internal cabling, conduit laying, cable trays, Busbar Trunking (BBT), and FRLS safety wiring for commercial and industrial buildings.
  • 💡
    Equipment Power Drops & Specialised Lighting
    Dedicated power points for heavy equipment, precision lighting layouts for warehouses, factories, offices, and outdoor industrial areas.
  • 📊
    APFC Panels & Energy Efficiency Systems
    Automatic Power Factor Correction panels and energy metering systems to reduce consumption, improve PF, and cut electricity bills.
Get a Quote for LT Works →

Our Project Delivery Process

Every SLN project follows a rigorous, stage-gated execution methodology — ensuring quality, compliance, and on-time delivery every single time.

HT Process
LT Process
01
🗺️
Site Survey & Planning
Detailed site assessment, load analysis, and feasibility study. Utility requirements and approvals identified upfront.
02
📐
Design & Engineering
HT line routing, substation layout, transformer sizing, switchgear selection, and single-line diagram preparation.
03
🏗️
Installation & Cabling
HT line installation (overhead/underground), transformer erection, switchgear commissioning, and HT cable jointing & termination.
04
✅
Testing, Certification & Energisation
Insulation resistance, HV testing, safety audits, DISCOM approval, and final energisation with handover documentation.
01
📋
Design & Layout Planning
Internal wiring design, load scheduling, panel sizing, cable route planning, and drawing preparation with municipal approvals.
02
🏢
Main & Sub-Distribution Boards
Installation of main LT panels (PCC/MCC), sub-distribution boards, capacitor banks, and metering panels from transformer secondary.
03
🔌
Conduit, Cabling & Point Wiring
Complete conduit laying, cable pulling through trays and risers, point wiring for lighting, sockets, and equipment drops.
04
🔍
Testing, Inspection & Power On
Continuity, insulation resistance, and earth resistance testing. Final safety inspection, MCB installation, load connection, and power-on.
Pharmaceutical laboratory with scientist and precision equipment
Service 03
03
Service 03 · GMP Compliant

Pharmaceutical
& Lab Electrical

Cleanrooms · Critical Power · Precision Wiring

We design, install, and maintain specialised electrical infrastructure for pharmaceutical manufacturing facilities, research laboratories, and accredited testing centres. Every installation is built around precision, safety, regulatory compliance, and zero-tolerance for downtime.

GMP Compliant
Cleanroom Grade
UPS Critical
Zero Downtime
  • 🧹
    Cleanroom Wiring & Specialised Lighting
    Precision conduit and wiring installations that maintain environmental integrity within cleanrooms — compliant with ISO classification requirements.
  • 🔋
    Critical Power & UPS Systems
    Uninterruptible power supply installation and integration, fire hydrant power systems, and Panel Rooms — ensuring zero-downtime for sensitive lab environments.
  • 🔬
    Precision Equipment Power Integration
    Dedicated, isolated power drops with surge protection for sensitive analytical instruments across multi-storey lab blocks.
  • 📋
    GMP & Regulatory Compliance
    All work performed to the highest safety and pharmaceutical industry standards — full documentation, validation support, and audit-ready as-built drawings.
Get a Quote for Pharma Works →

Precision Instrument Integration

We provide dedicated power drops, precise wiring, and seamless electrical integration for the full spectrum of sensitive pharmaceutical and laboratory equipment.

🔬
GC
Gas Chromatography Systems
💧
HPLC
High-Performance Liquid Chromatography
⚗️
IC
Ion Chromatography Systems
📡
PMS
Particle Monitoring Systems
🌀
Roto Vapor
Rotary Evaporators
💨
Fume Hoods
Fume Hoods & Extraction Systems
⚖️
Balances
Precision & Analytical Balances
❄️
Chillers
Laboratory & Industrial Cooling Systems

What We Supply & Install

We source from India's top electrical brands — every product specified for durability, compliance, and performance under demanding industrial conditions.

⚡ HT Products
  • Transformers: Distribution units — Oil-filled & Dry-type — to step down utility grid voltage.
  • VCBs & RMUs: Vacuum Circuit Breakers and Ring Main Units for high-voltage protection and switching.
  • Switchgear Panels: Metal-clad enclosures for metering, control relays, and high-voltage switching.
  • HT Power Cables: Heavy-duty XLPE insulated cables for high-voltage underground transmission.
  • Ancillary Gear: Current / Potential Transformers (CTs/PTs) and Lightning Arrestors.
🔌 LT Products
  • ACBs: Air Circuit Breakers for primary low-voltage network protection in main panels.
  • MCCBs: Moulded Case Breakers for floor-level and heavy equipment protection.
  • MCBs & RCCBs: Miniature breakers and safety switches for final distribution boards.
  • Distribution Boards: MDBs, SMDBs, and APFC panels for energy efficiency and power factor correction.
  • Infrastructure: Busbar Trunking (BBT), Cable Trays, and FRLS fire-retardant safety wiring.

Top Brands We Source Our Products From

ABB
Schneider Electric
Wipro
Legrand
Polycab
Dowell's
Ready to Build?

Have a Project
in Mind?

Tell us your requirements — HT, LT, or Pharma. We'll assess your site and deliver a detailed, transparent quote.