Cembre 2590531 HP3 Crimpstar mechanical ratchet crimping tool for pre-insulated electrical terminals and connectors from 0.25 mm² to 6 mm².
£81.20
The Cembre 2590531 HP3 is a professional mechanical ratchet crimping tool engineered for the installation of pre-insulated electrical terminals and connectors. As part of the trusted Cembre Crimpstar® series, it delivers precise, repeatable crimps for industrial electrical installations, control panel manufacture and maintenance applications.
Featuring a factory-set ratchet mechanism with automatic handle opening, the HP3 ensures every crimping cycle is fully completed before the tool releases. Precision treated-steel crimp jaws, an emergency release mechanism and ergonomic non-slip moulded grips provide consistently reliable cable terminations while reducing operator fatigue during repetitive use.
Designed for 0.25 mm² to 6 mm² pre-insulated terminals and connectors, the Cembre HP3 is ideal for electricians, panel builders, OEM manufacturers and industrial maintenance engineers requiring dependable crimping performance across industrial and commercial electrical installations.
Professional ratchet crimping tools ensure consistent compression of pre-insulated terminals, creating secure mechanical retention and dependable low-resistance electrical connections. The controlled ratchet mechanism prevents incomplete crimps while improving installation quality and long-term reliability.
The Cembre HP3 is trusted by electrical contractors, panel builders and industrial maintenance engineers for terminating insulated connectors throughout industrial automation, machinery, switchgear and control panel applications.
| Series | Crimpstar® |
|---|---|
| Part Number | 2590531 |
| Product type | Mechanical ratchet crimping tool |
| Application | Pre-insulated electrical terminals and connectors |
| Conductor range | 0.25–6 mm² |
| Operation | Manual ratchet |
| Ratchet control | Factory preset |
| Automatic return | Yes |
| Emergency release | Yes |
| Overall length | Approx. 235 mm |
| Width | Approx. 73 mm |
| Height | Approx. 19 mm |
| Weight | Approx. 498 g |
| HS Code | 82032000 |
| Country of Manufacture | Italy |
The HP3 is designed for crimping pre-insulated electrical terminals and connectors on conductors from 0.25 mm² to 6 mm².
It supports insulated connectors covering conductor sizes from 0.25 mm² to 6 mm².
Yes. The factory-set ratchet ensures every crimp is fully completed before the handles automatically release.
Yes. An integrated emergency release lever allows the jaws to be opened before completing the crimping cycle if required.
The HP3 is widely used by electricians, panel builders, OEM manufacturers and industrial maintenance engineers.
Cembre Crimpstar® ratchet crimping tools are trusted worldwide for delivering accurate, repeatable and reliable cable terminations across industrial electrical, automation and power distribution applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...