Why Choose the Partex URS53 Uninsulated Spade Terminal M5?
The Partex URS53 is a high-quality uninsulated spade terminal (fork terminal) designed to provide secure and reliable electrical connections using M5 screw or stud fixings. Suitable for terminating stranded copper conductors, this compact crimp terminal offers a practical connection solution for industrial control panels, electrical installations and equipment wiring assemblies.
As part of the Partex uninsulated crimp terminal range, the URS53 features an open-ended fork configuration that enables convenient installation and removal from compatible screw terminals without completely removing the fixing screw. Its conductive metal construction and crimp barrel support dependable electrical continuity and mechanical retention when installed using the correct crimping equipment.
Designed for conductor cross-sections of 0.5–1.5 mm² (22–16 AWG), the URS53 accommodates M5 (5 mm) studs with a 5.3 mm fork opening. Its compact 16 mm overall length makes it suitable for space-conscious electrical assemblies. Supplied in a convenient pack of 100 terminals, it is ideal for electricians, panel builders, maintenance engineers and industrial wiring professionals.
Key Advantages
- Uninsulated spade terminal design provides a practical solution for screw and stud electrical connections.
- M5 stud compatibility enables secure installation on suitable 5 mm terminal fixings.
- 0.5–1.5 mm² conductor capacity supports commonly used small-section stranded copper wiring.
- Open-ended fork configuration allows convenient connection and disconnection without completely removing the terminal screw.
- 5.3 mm fork opening provides compatibility with M5 screw and stud connections.
- Conductive metal construction supports reliable electrical continuity.
- Crimp termination provides a secure mechanical and electrical connection when correctly installed.
- Compact 16 mm overall length makes the terminal suitable for electrical panels and wiring assemblies.
- Pack of 100 supports efficient installation, maintenance and production wiring operations.
Key Features
- Partex URS53 uninsulated spade terminal.
- Fork-type electrical crimp connector for stranded copper conductors.
- M5 stud size with a 5.3 mm fork opening.
- 0.5–1.5 mm² conductor range (22–16 AWG).
- 8 mm palm width for the fork connection.
- 16 mm overall terminal length.
- 3.45 mm barrel diameter.
- 4.3 mm barrel length.
- 0.75 mm palm thickness.
- Uninsulated construction for applications where separate insulation or protective measures are provided as required.
- Suitable for industrial control panels, electrical terminal connections and equipment wiring.
- Supplied in a pack of 100 pieces.
Technical Specifications
- Manufacturer: Partex
- Series: URS Uninsulated Spade Terminals
- Model: URS53
- Product type: Uninsulated spade / fork crimp terminal
- Terminal configuration: Open-ended fork
- Stud size: M5 / 5 mm
- Fork opening (d2): 5.3 mm
- Conductor cross-section: 0.5–1.5 mm²
- Conductor size (AWG): 22–16 AWG
- Terminal material: Copper
- Insulation: Uninsulated
- Palm width (B): 8 mm
- Overall length (L): 16 mm
- Barrel diameter (D): 3.45 mm
- Barrel length (E): 4.3 mm
- Palm thickness (t): 0.75 mm
- Termination method: Crimp connection
- Compatible conductor type: Stranded copper wire
- Pack quantity: 100 pieces
Reliable Crimp Connections for Industrial Electrical Wiring
The Partex URS53 spade terminal provides an efficient method of connecting stranded copper conductors to screw-type electrical terminals. Its fork-shaped contact end fits around a compatible M5 stud, allowing the terminal to be secured beneath a screw head or washer. Unlike a closed ring terminal, the open-ended design allows the connection to be removed after loosening the fixing screw, making it particularly useful for electrical panels and equipment requiring periodic maintenance or wiring modifications.
The uninsulated crimp barrel is designed to be compressed around a correctly prepared conductor using a suitable crimping tool. Proper conductor preparation, crimping and screw tightening are essential for achieving dependable electrical and mechanical performance. Where insulation or protection against accidental contact is required, suitable additional insulation or an appropriate enclosure should be used. The URS53 is a practical choice for professional electrical installations requiring compact, serviceable M5 terminal connections.
Typical Applications
- Industrial electrical control panels and switchgear assemblies.
- M5 screw terminal and stud connections.
- Electrical equipment wiring and maintenance.
- Machinery control and industrial automation systems.
- Power distribution and auxiliary wiring circuits.
- Electrical cabinet assembly and panel building.
- OEM equipment manufacturing and wiring harness production.
- Repair and replacement of existing fork terminal connections.
