Cembre MTMA25-16-GC aluminium reducer compression through connector for reducing 25 mm² to 16 mm² aluminium conductors with grease-filled barrel and central stop.
£19.20
The Cembre 2720580 MTMA25-16-GC is a premium aluminium reducer compression through connector (straight splice) designed to provide secure, permanent electrical joints between 25 mm² and 16 mm² aluminium conductors. Manufactured by Cembre, it delivers reliable electrical performance for industrial, utility and power distribution applications.
Part of the trusted Cembre MTMA-GC series, the connector is manufactured from greater than 99.5% purity aluminium. The closed barrel incorporates an integrated central stop together with corrosion-inhibiting grease and sealing putty to minimise oxidation while ensuring dependable long-term electrical performance. Designed in accordance with DIN 1712/1976 Part 3, it offers exceptional mechanical strength and low electrical resistance.
Designed for reducing cable connections between 25 mm² and 16 mm² aluminium conductors, the MTMA25-16-GC is ideal for utilities, industrial maintenance, panel building and electrical distribution projects where dependable aluminium cable splicing is essential.
Compression reducer connectors provide permanent, low-resistance electrical joints between different sizes of aluminium conductors. When installed using approved Cembre compression tooling and dies, they deliver excellent electrical conductivity together with outstanding mechanical retention and long-term reliability.
The MTMA25-16-GC incorporates a grease-filled barrel, sealing compound and integrated conductor stop to minimise oxidation and moisture ingress, making it suitable for industrial electrical installations, switchgear, substations and utility distribution networks.
| Series | MTMA-GC |
|---|---|
| Manufacturer Part Number | 2720580 |
| Product type | Aluminium reducer compression through connector |
| Conductor size | 25 mm² to 16 mm² aluminium |
| Material | Aluminium (>99.5% purity) |
| Overall length | 90.5 mm |
| Conductor diameter | 6.5 mm / 5.5 mm |
| Cable stripping length | 48.7 mm |
| Operating temperature | -50°C to +150°C |
| Crimp geometry | Deep indent |
| Standard | DIN 1712/1976 Part 3 |
| HS Code | 85369010 |
| Country of Manufacture | United Kingdom (includes NI) |
It is an aluminium reducer compression through connector designed to permanently join 25 mm² and 16 mm² aluminium conductors.
The MTMA25-16-GC is designed for reducing from 25 mm² aluminium cable to 16 mm² aluminium cable.
Yes. The connector is pre-filled with corrosion-inhibiting grease and sealing compound to minimise oxidation and maximise service life.
Yes. The integrated central stop ensures both conductors are correctly positioned before compression.
It is commonly used in industrial electrical systems, utility networks, switchgear, panel building and electrical distribution installations.
Cembre aluminium compression connectors are trusted worldwide by electrical contractors, utilities and industrial engineers for delivering secure conductor joints, excellent electrical performance and exceptional long-term durability.
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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...