Description

Technical Parameters

Safety First for Hazardous Areas

Oil refineries, chemical plants, and other hazardous facilities often contain explosive gases or vapors. In these environments, even a small spark can lead to a serious accident. Our intrinsically safe instrument cable is designed for use in intrinsically safe control circuits. It helps maintain the integrity of low-energy signal transmission and supports the safe operation of DCS and PLC systems in hazardous areas. It is suitable for intrinsically safe circuits installed in Zone 0, Zone 1, and Zone 2 environments.

Superior Insulation for Enhanced Safetying Performance

This cable offers exceptionally high insulation resistance of up to 5000 MΩ·km at 20°C, which is significantly higher than that of standard instrument cables. The high insulation resistance helps minimize leakage current and supports the safety performance of intrinsically safe circuits. The cable also features a double-shielding system that helps dissipate static charges and reduce electromagnetic interference. Each pair is individually wrapped with an aluminum foil shield, while a dense tinned copper braid surrounds the entire cable to provide overall shielding. The braid coverage exceeds 85%, ensuring excellent shielding performance.

Rigorous Testing for Reliable Performance

We manufacture this cable in accordance with GB 3836.4 and IEC 61156 standards. It also complies with CE and RoHS requirements. With many years of experience in producing intrinsically safe cables, we apply strict quality control throughout the manufacturing process. Every reel is tested for voltage withstand, insulation resistance, and dimensional accuracy before shipment. For export orders, we provide complete test reports and supporting certificates. Because safety is critical, we include additional inspection checkpoints throughout production to ensure that every meter meets the required quality standards for intrinsically safe applications.

Key Specifications

Parameter	Specification
Common Models	IA-DJYPV, IA-DJYPVP, IA-DJYPVR, IA-DJYPVPR
Conductor	High-purity O.F.C. / Tinned Copper
Insulation Resistance	≥5000 MΩ·km (20°C)
Explosion Protection	Ex ia Intrinsically Safe Circuit Applications (Zone 0 / 1 / 2)
Standards	GB 3836.4, IEC 61156, EN 50288

Frequently Asked Questions

Q: What is the main difference between an intrinsically safe cable and a standard computer cable?

A: The primary difference lies in safety performance. Compared with a standard computer cable, an intrinsically safe instrument cable typically provides much higher insulation resistance, such as 5000 MΩ·km versus 1000 MΩ·km. This helps minimize leakage current and supports the safety requirements of intrinsically safe circuits under demanding operating conditions. The cable materials and construction are also optimized for use in intrinsically safe systems. While a standard computer cable is intended only for signal transmission, an intrinsically safe cable is specifically designed for signal transmission in hazardous-area applications where safety is essential.

Q: Do you have this cable in stock? How long do custom orders take?

A: We normally keep common models, such as IA-DJYPVP, in stock for fast delivery. For non-standard specifications, including special core counts or conductor sizes, the typical production lead time is 5–7 working days. Because intrinsically safe cables require more stringent material control and additional testing, custom orders generally take slightly longer than standard products. We maintain strict quality standards throughout the manufacturing process to ensure reliable performance.

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Intrinsically Safe Instrument Cable

Key Specifications

Frequently Asked Questions