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THW-A Aluminum Wire 70 sq.mm

THW-A Aluminum Wire 70 sq.mm

THW-A aluminum wire 70 sq.mm: single-core, PVC insulated, 750V to TIS 293-2541, up to 173 A in free air. For service entrances of shophouses, apartments and small factories. BCC in 100 m rolls. Check the latest price and order with nationwide delivery at OneStockHome.

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BCC TechnicalYAZAKI WIRE TECHNICAL DATATIS 11-2553THW-A Wire Thai YazakiTHW-A Wire BCC

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What is THW-A aluminum wire 70 sq.mm?

THW-A aluminum wire 70 sq.mm is a single-core wire with an aluminum conductor and black PVC insulation, rated for up to 750 volts and a 70°C conductor temperature under TIS 293-2541. This size is used as the service entrance of shophouses, apartments and small factories, and as a feeder to high-load sub-panels.

How many amps can 70 sq.mm aluminum wire carry?

Under TIS 293-2541, THW-A 70 sq.mm carries up to 173 A continuously in free air. In conduit, in bundles or at high ambient temperature the usable current is lower, so have an engineer or electrician size the wire from the load and run length (voltage drop) before you order.

THW-A 70 sq.mm specifications

Item

Detail

Conductor

Aluminum, 19/2.12 (wires/mm)

Insulation

Black PVC, 1.5 mm

Overall diameter

Approx. 14.0 mm

Max conductor resistance at 20°C

0.443 ohm/km

Max current (free air)

173 A

Approx. weight

280 kg/km

Voltage / conductor temperature

750V / 70°C

Standard

TIS 293-2541

Installation notes

  • Run it overhead on insulators or in conduit and raceways in dry locations. Do not bury it directly.
  • Use bi-metal lugs where it meets copper busbars or breakers, to prevent corrosion and hot joints.

Buy THW-A aluminum wire 70 sq.mm at OneStockHome

OneStockHome stocks BCC THW-A aluminum wire 70 sq.mm in 100 m rolls. Check the latest price and order with nationwide delivery.

Nearby sizes: THW-A aluminum wire 50 sq.mm, THW-A aluminum wire 95 sq.mm. Or see all THW-A aluminum wire sizes with the ampacity chart.

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