Parallel Groove Clamp

Parallel Groove Clamp (PG Clamp), Aluminum Alloy Bolted Connector for Overhead Power Line Splicing & Branching

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PRODUCT DETAIL

High-performance parallel groove clamp (PG clamp) – bolted aluminum alloy connector for overhead power lines. Ideal for splicing, branching & tapping aluminum/ACSR/copper conductors. Low contact resistance, corrosion-resistant, reusable design. Perfect for distribution lines, substations & transformer connections. 12-month warranty, ISO/IEC certified.

Key Features

Material: High-strength aluminum alloy body, galvanized steel bolts (Grade 8.8), Belleville spring washers
Design: Two-piece parallel groove structure, hot-forged for durability
Conductivity: Inner grooves with anti-oxidation conductive grease, low contact resistance (<10μΩ)
Compatibility: Fits aluminum, ACSR, AAAC, copper conductors (Al-Al, Al-Cu, Cu-Cu connections)
Installation: Hand-tool friendly, reusable & inspectable connection (no hydraulic tools needed)
Durability: Excellent corrosion resistance, UV-stable, service life ≥25 years
Certification: Compliant with IEC 61284, GB/T 2314; CE/ISO certified

Electrical & Mechanical Parameters

Rated Voltage: Up to 35kV
Contact Resistance: ≤10μΩ
Slip Strength: ≥10% of conductor rated tensile strength
Operating Temperature: -40°C to 150°C
Standard: IEC 61284, GB/T 2314

Applications

Overhead distribution line branching & splicing (4–35kV)
Substation bus connections & grounding systems
Transformer & switchgear tap connections
Street light & utility pole jumpers
Aluminum-copper transition connections
Multi-circuit distribution poles (3/4-groove models)

Installation Instructions

Select correct model based on conductor size & type.
Clean conductor surface with wire brush to remove oxide/dirt.
Open clamp, insert main & tap conductors into parallel grooves.
Tighten bolts evenly to recommended torque (20–35 Nm).
Verify secure fit; add insulating cover for weather protection (optional).

Packaging & Shipping

Packaging: 50/100 pcs per carton, wooden pallet for bulk orders
MOQ: 100 pcs
FOB Port: Ningbo/Shanghai
Delivery Time: 7–15 days after payment
HS Code: 8535900090