Pure copper strips

*Earthingkart Pure Copper Bus Bars*

ETP Grade C11000 copper bus bars for LT panels, ACDB, DCDB & earth bus ⚡

*1. Material & Standards*

- *Grade*: 99.9% Electrolytic Tough Pitch Copper C11000

- *Conductivity*: 101% IACS — lowest losses

- *Standards*: IS 1897, IS 613, ASTM B187, IEC 61439-1

- *Finish*: Bare, Tinned, or Silver Plated as per requirement

*2. Standard Sizes — Ready Stock*

Width x Thickness Current Rating Application

**25x3mm** 210A Earth bus, small ACDB

**25x6mm** 340A DCDB, 50kW ACDB

**30x5mm** 380A 100kW Solar ACDB

**40x6mm** 520A 250kW panels, main earth

**50x6mm** 630A 500kW ACDB, PCC panels

**50x10mm** 850A Main LT panel, high fault

**60x10mm** 1000A Transformer, 1MW+ plants

**80x10mm** 1250A Main PCC, substation

_Note: Current rating at 35°C ambient, 90°C bar temp. Derate for enclosed panels._

*3. Fabrication Options*

1. *Cut to Length*: ±1mm accuracy, deburred edges

2. *Drilling/Punching*: As per your GA drawing, holes from 6mm to 14mm

3. *Bending*: L-bend, Z-bend, offset with CNC press

4. *Plating*: Electro-tinning 8-12 microns for anti-tarnish & easy soldering

5. *Insulation*: Heat shrink sleeve, DMC/SMC supports, epoxy coating

*4. Bus Bar Accessories We Supply*

- *Insulators*: DMC/SMC bus bar support, 1.1kV to 33kV

- *Heat Shrink*: Red/Yellow/Blue/Black, halogen free

- *Fasteners*: Brass/SS bolts, nuts, Belleville washers

- *Flexible Links*: Tinned copper braid for transformer-panel connection

*5. Key Applications in Solar*

1. *ACDB/DCDB*: Phase, neutral & earth bus inside enclosures

2. *Inverter Stations*: DC bus for combining multiple strings

3. *Main Earth Bar*: For equipotential bonding in control rooms

4. *LA Earth*: Down conductor termination to earth pit

*6. Quality Docs with Supply*

- Mill Test Certificate with Cu% & conductivity

- Dimensional inspection report

- Tinning thickness report if applicable

- NABL lab test for conductivity on request

*Ordering*: Send drawing or specify W x T x L in mm + hole details + qty.

We supply in straight lengths of 3m/4m or fully machined as per panel design.