Balance of System
Power Sector
BARREL's Power Trade Division is India's comprehensive one-stop source for Balance of System (BoS) equipment, tools, accessories, and consumables for the entire power sector — Solar, Wind, Transmission & Distribution, Substations, and Telecom. From a single MC4 connector to a complete substation switchyard equipment package. Import · Export · General Trading · Project Supply. Serving projects from 1 kW rooftop to 5,000 MW utility. Exported to 54+ countries through DomEx TradLink.
Your Single-Source Partner for Every Power Sector BoS Need
BARREL's Power Trade Division sources, imports, stocks, and distributes the complete range of Balance of System products for India's power sector — and exports to 54+ global markets through DomEx TradLink, StenJaan Global Group's international trade arm.
Whether your project needs 50,000 metres of 6 mm² solar string cable, 500 string combiner boxes, a complete set of CT/CVT/LA equipment for a 220 kV substation, conductor hardware fittings for 100 km of 400 kV transmission line, or a complete inventory of PPE and safety tools for a 500 MW solar farm — BARREL's Power Trade Division has the procurement infrastructure, technical expertise, and global supplier network to deliver on time, to spec, and at competitive prices.
All products: IS / IEC certified | Manufacturer-authorised supply | Third-party inspection available | Export via DomEx TradLink | Project supply contracts
Export through
DomEx TradLink
StenJaan Global Group — International Trade & Export ArmSolar BoS
Combiner, ACDB, junction boxes, fuses
Cables & Wires
Solar DC, AC LV/MV/HV, XLPE, conductors
T&D Equipment
Conductors, insulators, hardware fittings
Substation Equipment
CT, CVT, CB, LA, isolators, bus bar
Protection & Metering
Relays, meters, SCADA, monitoring
Wind BoS
Wind cables, sensors, nacelle parts
Tools & Equipment
Testing, stringing, hydraulic tools
Safety & PPE
Harness, helmets, arc flash, lockout
Complete BoS for solar projects from 1 kW rooftop to 500 MW utility — string combiner boxes, AC/DC distribution boards, junction boxes, surge protection, earthing systems, monitoring, connectors, cable management, and all solar accessories. IS 16169 / IEC 62109 / BIS certified.
Solar String Combiner Box (SCB) / DCDB
2-string to 24-string DC combiner boxes with fuse, SPD, and disconnect — for all utility and C&I projects
Products Available
AC Distribution Board (ACDB) & AC Power Distribution
AC output distribution for solar inverters — MCCB / MPCB, AC SPD, energy meter, and busbars
Products Available
Solar PV Connectors — MC4 / T-Branch / Y-Connectors
IP68 solar connectors for all string wiring — male/female, T-branch, parallel connectors, and disconnect tools
Products Available
Earthing, Lightning Protection & SPD — Solar
Complete earthing and lightning protection system for solar plants — ESE terminals, copper bonding, SPD, earthing rods
Products Available
Cable Tray, Ladder, Conduit & Cable Management
GMS HDG, aluminium, and FRP cable trays and ladders — for solar field, substation, and wind farm cable routing
Products Available
Solar Monitoring — Weather Station, Sensors & Data Logger
Complete environmental monitoring for solar plants — irradiance, temperature, wind, and online SCADA connectivity
Products Available
Module Junction Boxes
- Field junction boxes — IP65/67
- Module-level junction box repair kits
- PV fuse holders (inline)
- JB accessories — glands, terminals
Fuses & Disconnects
- DC fuse — gPV IEC 60269-6
- DC load break switch
- DC circuit breaker — MCB / MCCB
- Fuse holders — din rail / panel mount
DC Fuses & Protection
- String fuse 10A–20A gPV type
- DC isolator switch 2P/4P
- RCCB / RCD — AC side
- Overcurrent protection relay
Energy & Power Meters
- Single / three phase energy meter
- Bidirectional net metering
- Class 0.5S precision metering
- Modbus / pulse output meters
Switchgear (LV Solar)
- MCCB 100A–1600A — LV
- ACB (Air Circuit Breaker)
- Contactor + overload relay
- Bus coupler panel — MV LV
Communication & SCADA
- Modbus RTU / TCP gateway
- IEC 61850 RTU / IED
- 4G / GPRS router — industrial
- Fiber optic patch panels
Complete cable range for power projects — solar DC string and trunk cables (4–35 mm²), LV AC power cables (0.5 mm²–400 mm²), MV XLPE cables (11kV–66kV), HV cables (132kV+), ACSR/AAAC/HTLS conductors, OPGW, ADSS, control cables, instrumentation cables. IS 694, IS 7098, IS 8130, IS 1554 certified.
Solar PV DC Cable — String, Trunk & Harness
Tinned copper, XLPO / XLPE insulated, UV-stabilised, halogen-free DC cable for all solar string wiring
Products Available
LV AC Power Cable — 0.6/1 kV XLPE / PVC Armoured
LV AC inter-panel, feeder, and control cables — armoured and unarmoured for solar inverter AC output and LT runs
Products Available
MV & HV Power Cable — 11 kV to 220 kV XLPE
Underground MV and HV XLPE cable for inter-substation, wind farm collection, and EHV transmission
Products Available
ACSR Conductors
- Weasel / Rabbit / Dog / Panther / Moose
- IS 398 Part 1 / IEC 61089
- All cross-sections — project quantity
- Drum lengths as per project
AAAC / ACAR Conductors
- All-Aluminium Alloy Conductor
- IS 398 Part 4 / IEC 61089
- Lightweight — low sag
- Coastal and industrial zones
HTLS Conductors
- ACSS / ACSS/TW / ACCR / ACCC
- High temperature low sag
- Line uprating without new towers
- 700°C operating temperature
OPGW & ADSS
- OPGW — optical ground wire
- ADSS — all-dielectric self-supporting
- 24F / 48F / 96F fiber count
- Hardware and accessories
Conductor Hardware
- Suspension clamps (preformed / bolted)
- Tension (dead-end / anchoring) clamps
- Vibration dampers — Stockbridge
- Spacers / spacer dampers
Cable Accessories
- Heat shrink / cold shrink joints
- Cable terminations — outdoor / indoor
- Cable joints — straight / tee
- Cable glands, lugs, ferrules
Complete hardware and equipment for overhead transmission lines — disc insulators, long rod, composite, pin insulators; tower hardware fittings (clamps, spacers, dampers, yoke plates, cross-arms); distribution transformers; T-off clamps, jumper clamps, tension hardware; pole-mounted equipment; and HV underground cable accessories.
Insulators — Disc, Composite, Long Rod, Pin & Post
Complete insulator range for 11 kV to 765 kV — porcelain, toughened glass, polymer composite
Products Available
Transmission Line Hardware Fittings
Complete hardware for conductor stringing, suspension, and tensioning — all voltage classes IS 2486 / IEC 61284
Products Available
Distribution Transformers — Pole Mount & Pad Mount
Oil-cooled and dry-type distribution transformers for DISCOM, rural electrification, and solar step-up applications
Products Available
Complete outdoor and indoor substation primary and secondary equipment — current transformers, capacitor voltage transformers, SF6 / vacuum circuit breakers, isolators, surge arresters, capacitor banks, bus bars, control panels, battery chargers, and all substation accessories for 11 kV to 765 kV installations. PGCIL / SECI / NTPC approved brands.
Current Transformers (CT)
- Outdoor CT — 11kV to 765kV
- Accuracy: 0.2 / 0.2S / 0.5 / 5P20
- Oil-filled / SF6 / resin insulated
- IEC 61869-2 / IS 2705
Voltage Transformers / CVT
- Capacitor VT (CVT) — 66kV–765kV
- Inductive VT — 11kV–66kV
- Accuracy: 0.2 / 3P
- IEC 61869-3/5 / IS 3156
Circuit Breakers
- SF6 dead tank CB — 72.5kV–800kV
- Vacuum CB — 12kV–36kV
- AIS / GIS type available
- IEC 62271-100 / IS 13118
Isolators / Disconnectors
- Horizontal centre break
- Double break isolator
- 11kV to 765kV voltage class
- Manual / motor operated
Lightning Arresters (LA)
- Gapless ZnO surge arrester
- 11kV to 765kV
- Station / line / distribution class
- IEC 60099-4 / IS 3070 Part 3
Capacitor Banks
- Shunt capacitor banks — MV / HV
- Fixed / automatic switched (APFC)
- Indoor / outdoor panel type
- IEC 60871 / IS 13340
Control & Relay Panels
- Protection relay panels — IED based
- Metering and monitoring panels
- DC distribution boards (DCDB)
- IEC 61850 / IEC 60255
Battery & UPS (Substation)
- VRLA / OPzS substation batteries
- 110V / 220V DC DCDB
- Charger rectifier panels
- Substation UPS 1–30 kVA
Bus Bars & Hardware
- Rigid bus bar — Al / Cu tube / flat
- Flexible bus — copper / Al braid
- Bus bar clamps, connectors
- SF6 bus duct (GIS expansion)
Power Transformers — 33/11 kV to 400/220 kV
Oil-cooled power transformers for grid substations, solar and wind evacuation, and industrial applications
Products Available
Switchgear — LV MDB, MV Ring Main & HV Panels
Complete switchgear for solar inverter output, HV switchyard, and power distribution — LV to 36 kV
Products Available
SCADA, RTU & Substation Automation System (SAS)
IEC 61850-compliant SCADA, RTU, IEDs, and complete substation automation for solar / wind / grid substations
Products Available
Numerical protection relays (distance, differential, overcurrent, earth fault, directional, auto-reclose), energy meters (Class 0.2S/0.5S), trivector meters, revenue meters, power quality analysers, transducers, fault locators, and complete metering cubicle packages for all voltage levels.
Numerical Protection Relays
- Distance relay — Zones 1/2/3 (21)
- Differential relay — transformer (87T)
- Overcurrent / earth fault (50/51/51N)
- Directional OC (67/67N)
- Auto-reclose (79) — single / three phase
- Feeder / busbar / motor protection
- Brands: GE, SEL, Siemens, Easun Reyrolle, L&T
Energy & Revenue Meters
- Trivector meter — Class 0.2S / 0.5S
- ABT (Availability Based Tariff) meter
- Net meter — bidirectional grid
- Prepaid / smart meter
- Modbus / DLMS protocol
- NABL calibration certificates
- Brands: Iskraemeco, Secure, HPL, L&T
Power Quality Analysers
- Class A / S PQ analyser (IEC 61000-4-30)
- Harmonics analysis — up to 63rd
- Flicker, dip, swell, transient
- Portable + fixed installation
- Brands: Hioki, Fluke, Janitza, AEMC
Transducers & Transmitters
- Current transducer — 4–20mA
- Voltage transducer — 0–10V
- Power / energy transducer
- Temperature / 4–20mA / HART
Fault Locators & Indicators
- Fault passage indicator — distribution
- Fault distance locator — OHL
- Fault recorder (DFR) — EHV
- PMU — phasor measurement unit
Control & Auxiliary Relays
- Auxiliary relay — fast / time delay
- Voltage / frequency relay
- Synchronising relay / check sync
- Trip relay — lockout (86)
- Buchholz relay (transformer)
Specialised cables, accessories, and equipment for wind power projects — wind turbine power cables (flexible, torsion-resistant), tower internal cable accessories, anemometers and wind measurement equipment, SCADA sensors, nacelle electrical components, collection system cables, and wind farm monitoring instruments.
Wind Turbine Power Cables
- Torsion-resistant wind turbine cable
- Flexible — rated for 1M+ twist cycles
- 1.8/3kV / 3.6/6kV / 6/10kV / 8.7/15kV
- IEC 62067 / GL certification
- Cross-section: 35mm²–400mm²
Wind Measurement
- Cup anemometer — IEC 61400-12
- Ultrasonic anemometer (3D)
- Wind vane / direction sensor
- Lidar wind profiler
- Nacelle-mounted met systems
Nacelle Electrical
- Slip ring / rotary connector
- Pitch control drives — IGBT
- Transformer (nacelle) — 690V/MV
- Soft starter — generator
- Converter cabinets
Wind Farm Collection
- MV XLPE underground collection cable
- Cable joints — medium voltage
- Cable duct banks — HDD / open trench
- Protection relay — feeder
Tower Monitoring
- Vibration sensor — tower / nacelle
- Strain gauge — blade monitoring
- Ice detector — blade icing
- LIDAR / SODAR for resource assess.
Wind Farm Tools
- Torque wrench sets — Nm calibrated
- Flange alignment tools
- Blade transport frames
- Crane spreader bars
- Hydraulic bolt tensioners
Power sector field tools from micro to large — insulation testers, earth resistance testers, power quality analysers, thermal cameras, clamp meters, multimeters, cable fault locators, conductor stringing equipment, hydraulic crimping tools, hot stick tools, live line tools, and heavy site equipment for solar, wind, and T&D construction projects.
Testing Instruments
- Megger / insulation tester — 500V–15kV
- Earth resistance tester (3-terminal)
- Clamp-on earth tester
- Multimeter — CATIII / CATIV
- True RMS clamp meter — 1000A
- Power quality analyser — Class A
- Phase sequence indicator
- Continuity / loop tester
Thermal & Optical Tools
- Thermal imaging camera (FLIR / Hikmicro)
- Laser distance meter
- Non-contact thermometer
- EL (electroluminescence) camera
- UV corona camera — HV inspection
- Endoscope — internal inspection
High Voltage Test Equipment
- HV test kit — hipot tester (up to 200kV)
- Tan delta / power factor test set
- Partial discharge (PD) analyser
- CT / PT test set (accuracy testing)
- Transformer turns ratio (TTR) tester
- Winding resistance tester
- Dissolved gas analyser (DGA)
Cable Testing Tools
- Cable fault locator — TDR
- Underground cable path tracer
- VLF cable test set — 0.1Hz
- Sheath fault locator
- Cable identifier / toner
- DC hipot tester for cable
Hydraulic & Crimping Tools
- Hydraulic crimping tool — 16–630mm²
- Hydraulic punch — steel / Al
- Hydraulic cable cutter — 300mm²
- Hydraulic bender — conduit / pipe
- Manual lug crimping pliers
- Battery-powered crimping tool
Conductor Stringing Equipment
- Hydraulic conductor stringing machine
- Paying-out reel / drum stands
- Running blocks / stringing blocks
- Come-along clamps — all conductors
- Dynamometer — conductor tension
- Sag meter — optical / digital
Tower Erection Equipment
- Gin pole / derrick pole set
- Chain pulley block — 1T to 20T
- Hand chain hoist
- Tirfor winch / wire rope puller
- Wire rope slings — certified
- Shackles — bow / dee — WLL certified
Hand & Power Tools
- Impact wrench — pneumatic / battery
- Ratchet torque wrench — calibrated
- Socket set — metric / UNC tower bolts
- Angle grinder — 100mm / 230mm
- Drill machine — SDS / rotary hammer
- Cordless drill / driver
Live Line Tools (Hot Stick)
- Hot stick — universal / sectional
- Fiberglass hot stick — all voltage class
- Live line clamp sticks
- Voltage detector — 11kV to 765kV
- Phase angle meter — live line
- Rescue hook — live line
Complete power sector safety equipment — arc flash PPE (arc-rated clothing, face shields), fall protection harnesses, helmets, safety footwear, rubber gloves and mats, safety lockout/tagout (LOTO), first aid kits, fire extinguishers, gas detectors, confined space entry kits, and all site safety consumables for solar, wind, T&D, and substation worksites.
Arc Flash PPE
- Arc-rated (AR) coverall — 8 cal/cm² to 100 cal/cm²
- Arc flash face shield — balaclava type
- Arc flash gloves — voltage rated
- Arc flash hood and jacket
- IEC 61482 / NFPA 70E
Electrical Safety Gloves
- Rubber insulating gloves — Class 00/0/1/2/3/4
- Up to Class 4 (36,000V)
- IEC 60903 / IS 6994
- Leather protectors for rubber gloves
- 6-month recertification available
Height Safety & Fall Protection
- Full body harness — EN 361 / IS 3521
- Lanyard — shock absorbing / retractable
- Self-retracting lifeline (SRL)
- Vertical lifeline — tower climbing
- Anchorage slings & connectors
- Rescue kit — fall arrest
Head & Eye Protection
- Safety helmet — IS 2925 / EN 397
- Electrician helmet — non-conductive
- Safety goggles — chemical / UV
- Face shield — full face protection
- Welding helmet — auto-darkening
Lockout / Tagout (LOTO)
- Lockout station kit — complete
- Padlocks — non-conductive body
- Breaker lockout devices
- Valve lockout — gate / ball
- Hasp — multi-lock
- Tag holders + warning tags
Fire Safety
- DCP extinguisher — 2kg to 50kg
- CO₂ extinguisher — electrical fire
- Fire blanket — lithium battery
- Smoke / heat detector
- Fire resistant cable wrapping
- Fire rated cable tray covers
Safety Mats & Barriers
- HV rubber mat — Class 2/3/4
- Anti-fatigue insulating floor mat
- Safety barrier — caution tape
- Magnetic safety signs
- Cone & barrier systems
- Danger / caution boards
Gas Detection & Confined Space
- Portable 4-gas detector — O₂/CO/H₂S/LEL
- SF6 gas detector — substation
- Hydrogen detector — battery room
- Confined space entry kit
- Air supplied respirator
- Retrieval tripod for confined space
First Aid & Emergency
- First aid kit — large site type
- Eye wash station — portable
- Defibrillator (AED) — site type
- Emergency eyewash kit
- Burns treatment kit
- Emergency response stretcher
The BARREL BoS Advantage
One partner. Every product. Every power project vertical. Backed by a 5,000 MW anchor customer pipeline, group manufacturing brands, and a global trading network.
Group Manufacturing
Solar modules (Ecstasy), inverters (VOLTIQ), and structures (Niccau Energy Infra) — manufactured in-group, not sourced from outside.
500+ Product Categories
From a single MC4 connector to a complete substation switchyard package — one PO, one supplier, one point of accountability.
IS / IEC Certified Only
Every product supplied by BARREL Power Trade carries mandatory IS / BIS / IEC certification — no uncertified or substandard products are traded.
5,000 MW Anchor Pipeline
BARREL Group's own 5,000 MW project pipeline is the anchor customer — creating bulk procurement scale that passes as competitive pricing to all clients.
24-Hour Quotation
Submit your project BOM — receive a comprehensive quotation within 24 hours with specifications, prices, and delivery schedule.
TPI & Documentation
Third-party inspection, type test certificates, routine test reports, MTC — full documentation package available for every order.
Export via DomEx TradLink
54+ country export capability through DomEx TradLink — sea freight, air freight, CIF/FOB/DDP terms, LC and advance payment accepted.
BARREL EPC Integration
BoS supply integrated into BARREL's EPC project delivery — materials tracked to project schedule, site delivered, and installed by BARREL's project teams.
Get a Quote for Any Power Sector BoS Product
Submit your product requirement, project BOM, or trading enquiry. Our team responds within 24 hours with product specifications, pricing, and delivery schedule. For large project BOM, you may also email the BOM list directly for a comprehensive quote.
Power Trade Sales
trade@barrel.energy | bos@barrel.energy
Import & Export
export@domextradlink.com — DomEx TradLink
Project BOM Supply
Email BOM to bom@barrel.energy — quote within 48 hours
📦 BoS Product Enquiry
Receive a complete quote within 24 hours for any power sector BoS product or project supply requirement.
500+
PRODUCT
CATEGORIES. ONE POWER TRADE PARTNER.
From a single MC4 connector to a complete 400 kV substation equipment package. From one roll of solar string cable to 5,000 km of ACSR conductor for a national grid project. From one thermal camera to a fully equipped power sector safety warehouse. BARREL's Power Trade Division supplies the entire Balance of System for the entire power sector. Import. Export. Trade. Project Supply. Worldwide.
Solar Modules · Inverter / UPS · Structures · Cable & Accessories · Tracking Systems · Transformers · BoS for Power Sector
© BARREL Power Trade Division | StenJaan Global Group | Export: DomEx TradLink