Catenary/messenger wire

Product Description

Catenary wires and messenger wires are primary load-bearing conductors in railway overhead electrification systems. They support the contact wire through droppers and maintain the required geometry of the overhead line system under varying mechanical and environmental conditions.

Key Advantages

• High tensile strength for long span capability
• Excellent resistance to mechanical fatigue
• Stable performance under thermal and climatic variations
• Reliable support for contact wire geometry
• Long service life under continuous operation

Available Variants

• Catenary wires of various sizes complying with relevant standards
• Alloy catenary wire of various metal compositions
• Copper catenary wire
• Copper cadmium catenary wire
• Copper magnesium catenary wire
• Custom tensile grades based on span and loading requirements

Product Specifications

• 65 sq. mm Cu-Cd catenary wire, 19/2.10: RDSO Spec. No. TI/SPC/OHE/CAT(Cu-Cd)/0971
• 65 sq. mm Cu-Mg catenary wire, 19/2.10: RDSO Spec. No. TI/SPC/OHE/CAT(Cu-Mg)/0150(06/2025)
• 125 sq. mm Cu-Cd catenary wire, 37/2.10: RDSO Spec. No. TI/SPC/OHE/CAT(Cu-Cd)/0971
• 120 sq. mm Cu-Mg catenary wire, 19/2.80: DIN 48201 (Part-2), DIN 48200 (Part-2)

Applications

• Railway overhead electrification systems
• Mainline and metro rail networks

Standards & Quality

Manufactured in compliance with relevant Indian Rail, RDSO, EN and IEC standards.

Material

High-strength copper or copper alloy conductors.

APAR’s Design & Manufacturing Expertise

APAR manufactures catenary wires with precise mechanical and metallurgical control to meet stringent railway performance and safety requirements.