Plug-In Terminations – Inner Cone Type

Up to 52kV

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Product Overview

COMPAQ’s CPIT Series Plug-In Terminations are engineered for reliable, safe, and long-lasting connections between medium-voltage cables and electrical equipment such as switchgear and transformers. Designed for inner cone bushings in accordance with EN 50180/EN 50181 standards, these separable connectors ensure superior electrical performance in both indoor and outdoor environments.

Available for bushing size 2 (800 A) and bushing size 3 (1250 A), the CPIT Series is compatible with aluminium and copper conductors as per IEC 60228 and supports a wide range of cable sizes, including 800 mm² and 1000 mm² conductors up to 52 kV.

How Are We The Best

Product Benefits?

Range-Taking Mechanical Shear Bolt Cable Lugs

Ensure precise, secure connections without the need for crimping tools.

Hybrid Material Design

Combines mechanical strength with excellent electrical conductivity.

Reliable Under Harsh Conditions

UV, moisture, and pollution-resistant silicone housing for long service life.

Screened Connector Body

Enhances operational safety and provides complete shielding.

Molded Cable Adapter with Integrated Sealing

Simplifies installation and ensures a moisture-proof, gas-tight interface.

Shielded Inline Connection

Ideal for Gas-Insulated Switchgear (GIS) and transformers up to 52 kV.

Specifications

Technical Specifications

Parameter	Specification
Protection	Fully screened, touch-proof, hermetically sealed
Rated Current	Size 2: 800 A / Size 3: 1250 A
System Voltage	12 kV, 24 kV, 36 kV, 42 kV, 52 kV
Bushing Interface	Inner Cone per EN 50180 / EN 50181
Conductor Material	Aluminium or Copper
Insulation Material	High-grade Silicone Rubber
Conductor Size Range	35 mm² to 1000 mm²
Standards Compliance	IEC 60228, EN 50180, EN 50181
Installation Environment	Indoor or Outdoor
Impulse Withstand Voltage	75 kV to 250 kV (as per voltage class)
Power Frequency Withstand	28 kV to 95 kV (as per voltage class)

Choosing The Correct Kit

Applications

Medium-voltage switchgear connections (AIS & GIS)
Transformer terminations in substations
Renewable energy plants – solar and wind farms
Industrial power distribution networks
Underground cable systems with inner cone bushing interfaces

Selection Criteria

To identify the correct kit configuration, kindly confirm the following project details:

Product Series – CPIT

System Voltage – 12 kV, 24 kV, 36 kV, 42 kV, or 52 kV

Bushing Size – Size 2 (800 A) or Size 3 (1250 A)

Conductor Size & Material – e.g., 300 mm² Aluminium

Cable Type – XLPE or EPR insulated, with/without armour

Example - CPIT-24-S2-AL300-XLPE (Meaning: CPIT, 24 kV, Size 2 bushing, 300 mm² Aluminium conductor, XLPE cable)

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FAQS

Frequently Asked Questions (FAQ)

An inner cone plug-in termination is a separable connector designed to connect medium-voltage cables directly to GIS or transformers with standardised inner cone bushings. It offers a fully insulated and screened connection, ensuring operator safety and long-term reliability.

The CPIT Series provides faster installation, reduced maintenance, touch-proof safety, and compatibility with both aluminium and copper conductors, all while meeting the latest IEC and EN standards.

Yes. The terminations are hermetically sealed and designed for both indoor and outdoor environments.

Our plug-in terminations fit inner cone bushings Size 2 (800 A) and Size 3 (1250 A) in compliance with EN 50180 and EN 50181. Compatibility can be confirmed using the bushing’s datasheet.

Yes. COMPAQ offers comprehensive training programs for installers, ensuring correct preparation, handling, and installation for maximum performance.