Product Overview

ZRNH-KVV22 Fire Resistant Control Cable is a flame-retardant, fire-resistant, steel tape armoured control cable designed for control, monitoring, signaling, and protection circuits in critical electrical systems. The cable maintains circuit integrity during fire conditions while preventing flame propagation, ensuring continuous operation of essential equipment and emergency systems.

With robust steel tape armour and high-performance PVC insulation and sheath, ZRNH-KVV22 provides excellent mechanical protection, fire safety, and long-term reliability for industrial and commercial installations.

Model Designation

ZR: Flame Retardant
NH: Fire Resistant
K: Control Cable
V: PVC Insulation (Polyvinyl Chloride)
V: PVC Sheath
22: Steel Tape Armoured with PVC Outer Sheath

Cable Construction

Typical construction:
Cu / Mica Tape / PVC / PVC / Steel Tape Armour / PVC
Copper Conductor → Mica Fire-Resistant Layer → PVC Insulation → PVC Inner Sheath → Steel Tape Armour → PVC Outer Sheath

Products Description

Copper Conductor PVC Insulated PVC Sheathed Steel Tape Armoured Flame Retardant and Fire Resistant Control Cable

Designed to maintain operational continuity under fire conditions while offering superior mechanical protection for fixed installations.

Technical Specifications

Parameter	Specification
Rated Voltage	450/750V
Conductor Material	Annealed Bare Copper
Insulation Material	PVC
Sheath Material	PVC
Armour Type	Steel Tape Armour
Fire Resistant Layer	Mica Tape
Maximum Operating Temperature	70°C
Installation Temperature	≥ 0°C
Minimum Bending Radius	≥ 12 × Cable Outer Diameter
Installation Method	Fixed Installation

Key Features

Fire Resistant Performance

The mica tape layer allows the cable to continue transmitting control and signal circuits during fire emergencies, helping maintain critical system operation.

Flame Retardant Protection

Effectively restricts flame spread and minimizes fire hazards in cable installations.

Enhanced Mechanical Strength

Steel tape armour provides excellent crush resistance, impact protection, and durability in demanding environments.

Reliable Signal Transmission

Ensures stable control, monitoring, and communication signals for industrial automation and safety systems.

Long Service Life

High-quality PVC insulation and sheath offer excellent resistance to moisture, abrasion, and environmental factors.

Compliance Standards

Manufactured in accordance with:

GB/T 9330 - Control Cables
GB/T 19666 - Flame Retardant and Fire Resistant Cables
IEC 60331 - Fire Resistance Test
IEC 60332 - Flame Propagation Test

Custom production according to international standards is available upon request.

Applications

ZRNH-KVV22 cables are widely used in installations where fire safety and operational continuity are critical:

Fire alarm and firefighting control systems
High-rise building electrical control circuits
Metro, airports, hospitals, mines, and power plants
Petrochemical and industrial automation systems
Equipment control and signal monitoring circuits

Available Specifications

Common Core Configurations

ZRNH-KVV22 2×1.5mm²
ZRNH-KVV22 4×1.5mm²
ZRNH-KVV22 7×1.5mm²
ZRNH-KVV22 10×1.5mm²
ZRNH-KVV22 24×1.5mm²

Available Conductor Sizes

0.75 mm²
1.0 mm²
1.5 mm²
2.5 mm²
4 mm²
6 mm²
10 mm²

Customized core numbers, conductor sizes, sheath colors, and cable markings are available.

Summary

ZRNH-KVV22 is a flame-retardant and fire-resistant PVC insulated, PVC sheathed, steel tape armoured control cable designed for fire protection systems, industrial control, monitoring, and signal transmission applications requiring high safety and mechanical protection.

Looking for a reliable manufacturer of fire-resistant armoured control cables?

Contact us today for technical consultation, cable selection assistance, pricing information, and customized solutions for your project requirements.

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