Cembre 2470421 ES37-BU blue PVC insulated cover for protecting A35-M and A37-M copper tube terminals and electrical connections.
£0.92
The Cembre 2470421 ES37-BU is a high-quality blue insulated PVC cover designed to provide dependable electrical insulation, mechanical protection and clear identification for uninsulated copper tube terminals. Manufactured by Cembre, this flame-retardant insulated cover enhances the safety, durability and appearance of low-voltage electrical connections used in industrial and commercial applications.
Manufactured from durable polyvinyl chloride (PVC), the ES37-BU provides a secure insulating barrier over compatible A35-M and A37-M copper tube terminals, helping protect against accidental contact, abrasion and environmental contamination. The blue colour enables quick circuit identification during installation and maintenance.
Ideal for industrial control panels, switchgear, machinery and power distribution systems, the Cembre ES37-BU delivers reliable insulation performance and a professional finish for demanding electrical installations.
Insulated terminal covers reduce the risk of accidental contact with live conductors while protecting crimped terminations from abrasion, dust and moisture. They also provide a clean, professional appearance that simplifies maintenance and improves installation safety.
The Cembre ES37-BU is designed specifically for professional electrical installations where dependable insulation, durability and clear conductor identification are essential.
| Series | ES Insulated Covers |
|---|---|
| Manufacturer Part Number | 2470421 |
| Product type | Insulated terminal cover |
| Material | Polyvinyl chloride (PVC) |
| Colour | Blue |
| Compatible terminals | A35-M and A37-M copper tube terminals |
| Length | 65 mm |
| Wall thickness | 1.8 mm |
| Supplied inside diameter | 26 mm |
| Recovered inside diameter | 22 mm |
| Supplied length (L1) | 34 mm |
| Shrunk length (L2) | 31 mm |
| Maximum operating temperature | 85°C |
| Minimum operating temperature | -30°C |
| Flammability | UL 94 V-0 |
| Compliance | RoHS |
| Pack quantity | 50 |
| HS Code | 85472000 |
| Country of Manufacture | Taiwan |
The Cembre ES37-BU is used to insulate and protect compatible A35-M and A37-M copper tube terminals while improving electrical safety and installation reliability.
It is manufactured from high-quality flame-retardant PVC with a UL 94 V-0 self-extinguishing rating.
The insulated cover is blue, making it ideal for circuit identification and organised electrical installations.
Yes. The ES37-BU complies with RoHS requirements and is suitable for professional electrical applications.
It is commonly installed in switchgear, control panels, machinery, power distribution equipment and OEM electrical systems.
Cembre insulated covers are trusted worldwide by electricians, panel builders and OEM manufacturers for delivering dependable insulation, durable protection and professional-quality electrical installations.
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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...