What is BTTZ Rigid Mineral Insulated Cable?

BTTZ fire survival cable is a type of rigid mineral insulated cable built with a solid copper conductor, compacted magnesium oxide insulation, and a seamless copper sheath. Designed for use in high-risk fire environments, it ensures power continuity even in severe fires up to 1000°C.

General Specifications

  • Product Name: Flame retardant MI cable BTTZ/BTTQ/BTLY fireproof mineral insulated cable
  • Product Standard: DIN VDE 0295 and IEC 228 standard twisted copper wires, GB5023.6-2012 and company standard
  • Core: 1, 2, 3, 4, 5, 3+1, 3+2, 4+1
  • Working Life: <25 years
  • Type of Conductor: Copper, Class 5
  • Material of Conductor: Fine strands of oxygen-free copper
  • Material of Insulation: Mineral compound (MgO)
  • Color of Core Insulation: Red/White/Blue/Black/Green/Yellow (Optional)
  • Material of Sheath: Low smoke halogen free Polyolefine (LSZH/LSOH PO)
  • Voltage: 600~1000 VOLTS
  • Advantage: Down to depths 500 mtrs
  • Cross Section: 0.25mm²95.00mm²/AWG1AWG14
  • Minimum Bending Radius: Cable installation allowed bending radius should no less than 6 times of cable width
  • Flame Resistance: Pass GB/T18380.1-2001 test and GB5023.6-2012
  • Isolated Sheath: Aluminum (AL)

Product Specification Table

Model Number Specification Number of Cores Voltage Rating Insulation Material
BTTZ 16mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 25mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 35mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 50mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 70mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 95mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 120mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 185mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 240mm² 1 0.6/1KV Magnesium oxide crystal powder
BTTZ 4mm² 3 0.6/1KV Magnesium oxide crystal powder
BTTZ 6mm² 3 0.6/1KV Magnesium oxide crystal powder
BTTZ 10mm² 3 0.6/1KV Magnesium oxide crystal powder
BTTZ 16mm² 3 0.6/1KV Magnesium oxide crystal powder
BTTZ 2.5mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 4mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 6mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 10mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 16mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 25mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 35mm² 4 0.6/1KV Magnesium oxide crystal powder
BTTZ 2.5mm² 5 0.6/1KV Magnesium oxide crystal powder
BTTZ 4mm² 5 0.6/1KV Magnesium oxide crystal powder
BTTZ 6mm² 5 0.6/1KV Magnesium oxide crystal powder
BTTZ 10mm² 5 0.6/1KV Magnesium oxide crystal powder
BTTZ 16mm² 5 0.6/1KV Magnesium oxide crystal powder
BTTZ 25+1mm² 4 0.6/1KV Magnesium oxide crystal powder

——Our Feature——

1.Imported equipment with experienced technical team
We have three plant and has 3048 employees which have 206 engineers. Plant has a series of imported production lines including Niehoff copper drawing lines, Troster Germany and Maillefer Finland 500KV VCV lines, stranding machine from Pourtier France, SKET Germany, Caballe Spain, 220KV and 35KV production line plus SIKORA X – RAY 8000 on-line eccentricity measuring unit from Germany
2.Complete certification system
We have gotten ISO 9001, ISO 14001, OHSAS 18001. Plant passed TUV, VDE, UL, CE, SAA, BS etc. certificate.
3.Perfect Production system
Our products cover LV power cable, MV power cable, HV&EHV power cable, ABC cables, ACSR/AAC/AAAC/ACAR/OPGW ,submarine cable, control cable, instrumentation cable, building wire, flexible rubber cable, fire rated cable, renewable cable, solar cable, industrial cable, Lan cable, coaxial cable etc.
4.Perfect Sales service system
We can offer the OEM/ODM service, Multiple products, Skilled Export sale engineer team, Reasonable price, Reliable quality, Friendly service.

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