Product Overview
The H07Z1-K 4 mm² 450/750V cable is engineered for high-demand electrical installations where safety against fire and toxic smoke emissions is critical. Featuring a single fine-stranded copper conductor and advanced thermoplastic HFFR (Halogen-Free Flame Retardant) insulation, this cable prevents the propagation of flames and ensures minimal smoke density and zero corrosive gas emissions during a fire event. It is globally sourced and supplied by Cable Export for international B2B infrastructure and building projects.
Key Technical Specifications
| Cable Type | H07Z1-K |
| Nominal Cross-Section | 4 mm² |
| Rated Voltage (U0/U) | 450/750V |
| Conductor Material | Fine-stranded bare copper |
| Insulation Material | HFFR (Halogen-Free Flame Retardant) |
| CPR Euroclass | Cca-s1, d2, a1 |
| Governing Standard | TS EN 50525-3-31 |
Applications & Installation
This single-core HFFR wire is specifically designed for internal wiring of electrical switchboards, control panels, appliances, and protective conduits. It is widely specified for fixed installations in public buildings, transport infrastructure, high-rise developments, and industrial facilities where human safety and protection of sensitive electronic equipment are paramount. The fine-stranded copper construction allows for easy routing and installation in complex conduit layouts.
Standards & Compliance
The H07Z1-K 4 mm² cable adheres to rigorous international manufacturing and safety benchmarks. It complies with TS EN 50525-3-31 standards and is rated Cca-s1, d2, a1 under the European Construction Products Regulation (CPR), guaranteeing superior fire behavior, very low smoke production, no flaming droplets, and low acidity of combustion gases.
