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BBTRZ
Classification：
Purpose：
It is primarily used in trunk circuits, fire‑fighting circuits, and emergency rescue systems, such as emergency lighting, fire detection, alarm systems, elevator systems, smoke‑exhaust systems, and control circuits.
Feature：
It features excellent fire resistance, high-temperature tolerance, large current-carrying capacity, water resistance, corrosion resistance, mechanical damage resistance, radiation resistance, electromagnetic compatibility, and an aesthetically pleasing appearance. Moreover, under fire conditions, this cable emits no smoke, halogens, or toxic and harmful gases.
Details
Flexible mineral-insulated cables are all‑inorganic cables composed of a copper conductor, a metallic sheath, and magnesium oxide insulation. Their principal types include BTTQ, BTTVQ, BTTYQ, BTTZ, BTTYZ, and BTTVZ. These cables are primarily used in trunk circuits, fire‑protection systems, and emergency‑evacuation and rescue systems—such as emergency lighting, fire detection and alarm systems, elevator systems, smoke‑extraction systems, and control circuits. They exhibit excellent fire resistance, high‑temperature tolerance, large current‑carrying capacity, water resistance, corrosion resistance, mechanical‑damage resistance, radiation resistance, electromagnetic compatibility, and an aesthetically pleasing appearance. Moreover, under fire conditions, these cables emit no smoke, halogens, or toxic and harmful gases.
BBTRZ
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