Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
Stranded conductor mineral-insulated fire-resistant MI cable
$1-200
FOB
MOQ:
300
Shipping:
Express Delivery, Ocean freight, Land freight
Product details
FAQ
Essential details
MOQ:300
Lead time:7 days upon 30% deposit
Shipping:Express Delivery, Ocean freight, Land freight
Specification Number:BBTRZ5CE004-400
Product Introduction

APPLICATION

This key upgrade integrates the inherent superior fire resistance and extreme temperature capability of the flexible MI core with enhanced mechanical protection, improved chemical/corrosion resistance, and critical low-smoke, non-toxic emission properties during a fire. It is ideally suited for critical life safety and emergency circuits in demanding environments, such as fire alarms, emergency lighting, smoke control systems, and power supplies for fire pumps in high-rise buildings, tunnels, airports, and petrochemical plants, where guaranteed circuit integrity under prolonged fire conditions, installation flexibility, and compliance with stringent safety standards are paramount.

CONSTRUCTION

Conductor

Stranded copper conductor

Insulation

Mica tape&XLPE

Filler

High-purity magnesium oxide (MgO) powder

 

Outer Sheath

Low-smoke halogen-free (LSHF) outer jacket 

Sheath Colour

Red or as your specify


Available Nominal Cross-sectional Areas

4-400 sqmm


CHARACTERISTICS

Rated Voltage  (Uo/U): 300/500V,450/750 V
Test Voltage: 3.5 KV (5 minutes)
Max Continuous Operating Temperature: Conductor/Mineral Insulation System: ≤ 250°C
LSZH Outer Sheath: ≤ 105°C (or as specified based on actual material)
Short-Term Overload Temperature:400℃ (maximum duration: 1 hour; no insulation degradation)
Fire Resistance Temperature:Complies with BS 6387:2013 Category CWZ. Maintains circuit integrity for ≥ 180 minutes under 950°C flame, water spray, and mechanical shock.
Temperature Rating (Fixed Installation): -50℃ to 70℃ 
Minimum Bending Radius
Single-core(OD≤10mm): 7×OD±5%    Single-core(OD>10mm): 9×OD±5%
Multi-core: 11×OD±5%  (Note: OD refers to the outer diameter of the cable)


  

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