BTTZ Cable

Specification

No. of cores

Rated voltage

3.The drawing of BTTZ cable

4.Standard

1)GB∕T 12706.1-2008 Power Cables with extruded insulation and their accessories for rated voltages fro１kV(Um＝1.2 kV)up to 35 kV(Um＝40.5 kV) -Part1:Cables for rated voltage of 1KV(Um=1.2KV) and 3KV(Um=3.6kv).

2)GB/T 13033 Mineral Insulated Cables and their terminations with a rated voltage not exceeding 750V.

3)Tests for Electric Cables under fire conditions--Circuit integrity--Part 21: Procedures and requirements-Cables of rated voltage up to and including 0.6/1kV.

4）BS 8491-2008 Method for assessment of fire integrity of large diameter Power Cables for use as components for smoke and heat control systems and certain other active fire safety systems.

5)BS 6387 Test method for resistance to fire for cables required to maintain circuit integrity under fire conditions.

5.Applicable place

This product can be laid in transmission and distribution lines of important places such as tunnels, cable trenches, bridges, trough boxes, shafts, high-rise buildings, hospitals, exhibition halls, garages, entertainment venues, and data centers.

6.Fire resistance

Continuously energized for 180 minutes under 950℃ flame without breakdown (C).

At 650℃, after 15 min, withstand 15 min of water spray without breakdown (W).

Under the flame of 950℃, withstand 15min of percussion vibration without breakdown (Z).