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Fire Resistant Sta Cable

Fire Resistant Sta Cable
Product Introduction:
Some critical systems cannot stop, even during a fire. Fire pumps, smoke exhaust fans, and emergency control systems must continue operating. Our Fire resistant sta cable is designed for these life-safety applications. It incorporates multiple layers of mica tape within the cable structure. This mica tape acts as a thermal barrier. Under high temperatures, it forms a ceramic-like insulating layer, helping protect the copper conductors from short-circuit failure. The steel tape armor provides additional protection against mechanical impact.
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Description
Technical Parameters
Keeps Signals Alive During a Fire
 

Some critical systems cannot stop, even during a fire. Fire pumps, smoke exhaust fans, and emergency control systems must continue operating. Our Fire resistant sta cable is designed for these life-safety applications. It incorporates multiple layers of mica tape within the cable structure. This mica tape acts as a thermal barrier. Under high temperatures, it forms a ceramic-like insulating layer, helping protect the copper conductors from short-circuit failure. The steel tape armor provides additional protection against mechanical impact.

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Dual Protection: Fire and Interference

 

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Fire resistance is the primary function, but signal integrity is also a key requirement. This cable features a full double-shielding system. Each pair is individually wrapped with aluminum foil, followed by a tinned copper braid over all pairs. The braid coverage exceeds 85%, effectively reducing electromagnetic interference (EMI) in both normal and emergency operating conditions.

The conductors are made of high-purity oxygen-free copper, ensuring stable conductivity. The working capacitance remains below 60 nF/km, making the cable suitable for long-distance signal transmission with low distortion.

Built to Strict Fire Standards
 

We manufacture this cable in accordance with GB/T 19216 and IEC 60331 standards. It is also CE and RoHS certified. Each fire-resistant production line is equipped with an online monitoring system that tracks mica tape wrapping angle and tension in real time. In addition, we conduct batch sampling and flame testing to ensure consistent performance.

Common models such as NH-DJYPV22 and NH-DJYPVP22 are available from stock. For export projects, we provide complete test reports and certification documents. The cables are packed on moisture-proof wooden reels suitable for long-distance ocean transportation.

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Key Specifications

 

Parameter

Specification

Common Models

NH-DJYPV22, NH-DJYPVP22, NH-DJYPVPR22

Conductor

High-purity O.F.C. / Tinned Copper

Fire Resistant Structure

Multi-layer mica tape wrapping

Armor Structure

Double steel tape

Fire Resistant Standard

GB/T 19216, IEC 60331

 

Frequently Asked Questions

 

Q: How long can this cable keep working during a fire?

A: This cable is designed and tested according to IEC 60331 standards. Under flame temperatures of 750°C to 800°C, it can maintain circuit integrity for at least 90 minutes. Actual performance may vary depending on installation conditions, cable routing, and environmental factors. Each batch is subjected to fire-resistance sampling tests before shipment to ensure compliance with the standard.

Q: What is the warranty period for this cable?

A: We provide a 12-month warranty from the date of delivery. Under normal installation and operating conditions, any issues such as insulation failure, jacket cracking, or fire-resistant layer defects will be handled accordingly. Our after-sales team responds within 24 hours for standard inquiries and prioritizes urgent cases when needed.

 

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