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2161850 Cembre S2.5-M3.5 RING TERMINAL
Cembre 2161850 S2.5-M3.5 non-insulated electrolytic copper ring terminal for 1.5-2.5 mm² conductors with an M3.5 stud connection.
£0.1496
Why Choose the Cembre 2161850 Ring Terminal?
The Cembre 2161850 is a premium non-insulated copper ring terminal engineered to provide secure, permanent electrical connections for copper conductors in industrial and commercial applications. Manufactured by Cembre, this terminal combines high-purity electrolytic copper construction with precision engineering to deliver excellent conductivity, outstanding mechanical strength and long-term reliability.
Designed for 1.5–2.5 mm² (16–14 AWG) conductors, the terminal features an M3.5 fixing hole, making it ideal for electrical panels, machinery, switchgear, automation equipment and maintenance applications. Its brazed seam construction and knurled barrel provide enhanced pull-out strength and superior electrical contact after crimping.
The electrolytically tin-plated finish offers excellent corrosion resistance while maintaining low contact resistance throughout the service life of the connection. Designed for professional crimping using suitable tooling, the Cembre 2161850 delivers dependable performance in demanding industrial environments.
Key Advantages
- Professional non-insulated ring terminal for industrial wiring.
- Suitable for 1.5–2.5 mm² copper conductors.
- M3.5 stud hole provides a secure bolted connection.
- Manufactured from high-purity electrolytic copper.
- Tin-plated finish provides excellent corrosion resistance.
- Brazed seam and knurled barrel improve strength and electrical performance.
Key Features
- Manufacturer: Cembre.
- Manufacturer Part Number: 2161850.
- Alternative SKU: S2.5-M3.5.
- Product type: Non-insulated ring terminal.
- Cable size: 1.5–2.5 mm² (16–14 AWG).
- Stud size: M3.5.
- Electrolytic copper construction (99.95% purity).
- Electrolytic tin plating (minimum 3 μm).
- Knurled internal barrel and brazed seam construction.
Reliable Electrical Connections for Industrial Applications
Ring terminals provide permanent bolted electrical connections that resist vibration while maintaining low electrical resistance. When installed using the correct crimping tool, they provide excellent mechanical retention and dependable long-term performance.
Cembre manufactures its S-Series terminals from high-purity electrolytic copper using brazed seam technology and precision tin plating to maximise conductivity, corrosion resistance and installation reliability across demanding industrial environments.
Typical Applications
- Industrial control panels.
- Machine building and OEM equipment.
- Switchgear assemblies.
- Electrical distribution systems.
- Industrial automation equipment.
- Maintenance and repair applications.
Technical Specifications
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| Connection Orientation | Straight | |
|---|---|---|
| Stud Size | M3.5 | |
| Device Type | Ring Terminal | |
| Conductor Size | 1.5–2.5 mm² | |
| Insulation Type | Non-insulated | |
| Series | S Range Non-Insulated Ring Terminals | |
| Part number | 2161850 | |
| Product type | Non-insulated ring terminal | |
| Conductor size | 1.5–2.5 mm² (16–14 AWG) | |
| Stud size | M3.5 | |
| Material | Electrolytic copper (99.95% purity) | |
| Surface finish | Tin plated (minimum 3 μm) | |
| Operating temperature | -50°C to +150°C | |
| Barrel construction | Brazed seam with internal knurling | |
| ETIM classification | EC001052 | |
| Installation | Compression crimp | |
| Pack quantity | 100 pieces | |
| GTIN | 8016692035857 | |
| HS Code | 85369010 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the Cembre 2161850 used for?
It is a non-insulated ring terminal designed for secure bolted electrical terminations on copper conductors in industrial installations.
What cable sizes does it support?
The terminal accepts copper conductors from 1.5 mm² to 2.5 mm² (16–14 AWG).
What fixing size is required?
The terminal is designed for an M3.5 fixing stud.
What material is the terminal manufactured from?
It is manufactured from high-purity electrolytic copper with a corrosion-resistant tin-plated finish.
Is this an insulated terminal?
No. The Cembre 2161850 is a non-insulated ring terminal intended for professional crimping applications.
Trusted by Electrical Professionals Worldwide
Cembre ring terminals are trusted by panel builders, OEM manufacturers and electrical contractors worldwide for delivering safe, durable and high-performance electrical connections across industrial applications.
