Suspension Clamps Neutral Messenger Network ES1500

ES1500 Suspension Assembly is an integrated, utility-grade system engineered to support, route, and suspend low-voltage Aerial Bundled Conductor (A.B.C.) networks utilizing an insulated neutral messenger system. Comprising a heavy-duty pole bracket, a movable connecting link, and an insulated suspension clamp. It explicitly clamps the insulated neutral bearing core on straight runs and intermediate line angles, ensuring advanced mechanical relief and grid structural stability.

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Specifications

Part No. Item Mains Insulated
Al-Cu mm²
Tap Insulated
Al-Cu mm²
Number of Bolts
B010101 IPC 16-95/1.5-10 16-95 1.5-10 1

Features

Integrated Tri-Component System

Supplies a complete out-of-the-box hardware solution combining a high-strength pole bracket, an articulation link, and a tool-free suspension cradle, drastically shortening component sourcing and field assembly times.

Mechanical Fuse Protection Link

Features an engineered movable link with a calibrated mechanical weak point (fuse function). In extreme events like pole collapses or severe tree impacts, the link breaks first to isolate the load, protecting the expensive live main cables from snapping.

Tool-Free Sliding Toggle Lock

Designed with an innovative, hand-operated sliding block or snap-latch mechanism. Linesmen can lock the 54.6 mm² or 70 mm² insulated neutral messenger into the parallel slot securely using bare hands in seconds.

Corrosive-Immunized Metallurgy

The structural pole bracket is crafted from premium weather-proof aluminum alloy. This allows the assembly to resist galvanic degradation, industrial smog, and coastal salt-spray tracking over decades of active grid service.

Implementation Instructions

Step 1: Bracket Base Pole Anchoring

Flush-mount the aluminum bracket base against the pole body. Secure it permanently by driving a heavy-duty 14mm or 16mm galvanized through-bolt, or by wrapping two tight parallel bands of 20mm stainless steel strapping.

Step 2: Messenger Core Insertion

Open the tool-less upper locking block on the suspended clamp housing. Separate the insulated neutral messenger wire from the bundle and seat it straight inside the rounded cushion channel.

Step 3: Snap-Locking Optimization

Push the integrated plastic sliding toggle firmly forward until it clicks and locks down over the conductor insulation coat. Ensure the remaining phase lines run smoothly adjacent to the assembly without structural friction.

Step 4: Vertical Sag & Live-Line Safe Handling

Because the entire suspension cradle and structural link are molded from premium non-conductive polymer matrix, the ES1500 system is highly qualified for safe handling in close proximity to live networks (hot-line handling). However, to prevent premature friction wear on the components during initial line stringing, linesmen must use standard cable pulling rollers to pull the core bundle before transferring the final neutral load onto the assembly.

Industrial Engineering & Standards

  • Advanced Material Architecture: Built using high-density corrosion-resistant aluminum alloy for the anchor plate, paired with UV-stabilized, glass-fiber reinforced polymer for the dielectric clamp jaws and fuse link.
  • Rigid Utility Code Compliance: Extensively qualified and fully certified according to the rigorous mechanical tension, vertical slip, and climatic aging requirements of NF C 33-040 and EN 50483-3 standards.
  • Smooth-Edge Insulation Protection: The internal clamp cradle features broad, rounded outer edge radiuses. This design eliminates concentrated stress points, preventing cold flow or dielectric breakdown on the cable insulation jacket during intense wind-shear vibrations.