Why Choose the Partex PXP25 Copper Flat Pin Connector?
The Partex PXP25 is a copper flat pin connector designed for terminating compatible 25 mm² copper conductors into suitable electrical terminals. Supplied in a convenient pack of 50 connectors, it provides a practical solution for electrical contractors, industrial panel builders, maintenance engineers and equipment manufacturers requiring consistent, professionally finished cable terminations.
Unlike a conventional ring terminal that requires a fixing stud or bolt, the Partex PXP25 flat pin terminal uses a flat contact pin designed for insertion into an appropriately sized electrical connection. The conductor is secured within the connector's barrel using a suitable crimping tool and die, creating a permanent mechanical and electrical connection when correctly installed. The flat pin section then interfaces with a compatible terminal or clamping arrangement.
The Partex PXP25 25 mm² copper flat pin connector is particularly useful in industrial control panels, electrical distribution equipment, machinery and other applications where a flat pin connection is required. Its copper construction provides good electrical conductivity, while the crimp termination helps maintain conductor integrity and offers a practical alternative to inserting an untreated stranded conductor directly into a terminal.
Key Advantages
- Designed for 25 mm² copper conductors, providing a termination option for compatible electrical cables.
- Flat pin connection for use with appropriately sized terminal blocks and clamping arrangements.
- Copper construction provides good electrical conductivity.
- Crimp termination provides secure mechanical conductor retention when correctly installed.
- Pack of 50 connectors supports panel production, repeat cable assembly and maintenance stockholding.
- Offers a defined contact pin for compatible electrical terminals.
- Useful where a conventional ring or fork terminal is unsuitable for the equipment connection.
- Suitable for industrial electrical equipment and control panel applications.
- Practical for new electrical installations, equipment refurbishment and replacement terminations.
- Supports consistent cable preparation and termination practices when used with suitable crimping equipment.
Key Features
- Partex PXP series copper flat pin connector.
- Manufacturer part number: PXP25.
- Conductor cross-sectional area: 25 mm².
- Terminal material: Copper.
- Connection style: Flat pin.
- Conductor termination: Compression crimp.
- Contact configuration: Flat pin for compatible clamping terminals.
- Pack quantity: 50 pieces.
- Designed for compatible copper electrical conductors.
- Suitable for use with an appropriately matched crimping tool and die.
- Provides a permanent crimped conductor connection.
- Suitable for electrical panel building and equipment wiring where a flat pin terminal is specified.
- Requires verification of pin dimensions and receiving terminal compatibility before installation.
Technical Specifications
- Manufacturer: Partex
- Product series: PXP
- Model / SKU: PXP25
- Product type: Copper flat pin connector / crimp terminal
- Conductor cross-sectional area: 25 mm²
- Terminal material: Copper
- Contact type: Flat pin
- Conductor termination method: Crimping
- Electrical connection method: Insertion into a compatible terminal or clamping connection
- Pack size: 50 connectors
- Compatible conductor material: Copper, subject to conductor construction and crimping compatibility
- Primary application: Termination of compatible 25 mm² copper conductors into suitable flat pin electrical connections
- Crimping equipment: Compatible crimping tool and die required
- Receiving terminal compatibility: Verify pin dimensions, terminal capacity and clamping arrangement
- Electrical rating: Dependent on the connector specification and complete terminal assembly
How Copper Flat Pin Connectors Support Reliable Electrical Terminations
Flat pin connectors provide a practical method of terminating stranded electrical conductors where the receiving equipment uses a compatible clamping terminal. The Partex PXP25 is designed for 25 mm² copper conductors, combining a crimped cable connection with a flat contact pin that can be inserted into a suitable electrical terminal.
During installation, the conductor is stripped to the correct length and inserted into the connector's crimp barrel. The barrel is then compressed using an appropriately matched crimping tool and die. When properly installed, the crimp creates mechanical conductor retention and establishes electrical contact between the conductor and the connector.
The flat pin section provides a defined contact surface for the receiving terminal. This can be particularly useful where a terminal's clamping arrangement is designed to accept a flat pin rather than a bare stranded conductor, ring lug or fork terminal. However, the connector must match the terminal's permitted pin dimensions and connection method.
Correct crimping is essential for dependable performance. An incorrectly selected die, incomplete conductor insertion or inadequate compression may compromise the termination. Installers should follow the connector manufacturer's recommendations for conductor preparation, tooling and crimp positioning.
The completed electrical connection must also be installed in accordance with the equipment manufacturer's instructions. The receiving terminal's conductor capacity, permitted connection types, tightening torque and electrical rating should all be verified before use.
Flat Pin Connectors vs Ring Terminals and Bootlace Ferrules
The Partex PXP25 copper flat pin connector is intended for a different connection arrangement from a conventional copper ring terminal. A ring terminal features a circular fixing hole and is secured using a stud or bolt. A flat pin connector instead provides a flat contact section that is inserted into an appropriately designed terminal.
Flat pin connectors can be useful where the equipment terminal is designed for a defined flat contact. They may simplify cable termination in suitable clamping arrangements because the conductor is crimped into the connector before the flat pin is inserted into the receiving terminal.
Bootlace ferrules are another common method of terminating stranded conductors. A ferrule typically forms a tubular end around the conductor strands for insertion into a compatible terminal. A flat pin connector, by comparison, provides a distinct flat contact shape. The two should not be considered interchangeable unless the receiving terminal manufacturer explicitly permits both connection types.
Choosing between a flat pin connector, ring terminal, fork terminal or bootlace ferrule depends on the equipment's connection design. The Partex PXP25 should be selected where a 25 mm² conductor and a compatible flat pin connection are required.
Important Installation and Cable Selection Considerations
Before installing the Partex PXP25, confirm that the conductor has a nominal cross-sectional area of 25 mm² and that its material and construction are compatible with the connector. The cable's conductor class and strand arrangement may affect the suitability of the crimped termination.
The conductor should be stripped using a suitable cable preparation tool without damaging or removing strands. It should then be fully inserted into the crimp barrel. A correctly matched crimping tool and die must be used to produce the specified compression.
After crimping, the termination should be inspected for correct conductor insertion, appropriate compression and visible damage. The flat pin should then be inserted into the receiving electrical terminal in accordance with the equipment manufacturer's instructions.
It is important to verify that the terminal is designed to accept the connector's flat pin dimensions. A nominal 25 mm² conductor size does not automatically establish compatibility with every terminal rated for 25 mm² cable. The receiving terminal's opening, contact geometry, clamping mechanism and electrical rating must also be suitable.
Where the connector or crimped barrel requires additional electrical insulation, suitable insulating sleeving, heat-shrink tubing or enclosure protection should be provided. The finished cable should also be routed and supported to avoid excessive mechanical loading on the connection.
Typical Applications
- Industrial electrical control panels and cabinets.
- Low-voltage electrical distribution equipment.
- Terminal blocks designed to accept flat pin connections.
- Industrial machinery and equipment wiring.
- Motor control panels and electrical assemblies.
- Power supply connections with compatible clamping terminals.
- Industrial automation and OEM equipment manufacture.
- Commercial and industrial electrical installations.
- Electrical equipment refurbishment and replacement cable terminations.
- Workshop cable assembly and electrical maintenance projects.
