Crimp-type ring terminal — DR50-12N
The DR50-12N from Cembre is a crimp-type ring terminal from the DR series, manufactured for copper conductors in accordance with DIN 46235. The product is made of electrolytic copper with a purity of over 99.9%, is annealed, and electrolytically tin-plated. The DR50-12N is specified for 50 mm² conductors and uses an M12 screw (indicated as Ø 13 mm by the manufacturer).
What the product does
The DR50-12N ensures a mechanical and electrical connection between a 50 mm² copper conductor and a screw connection using a tubular crimped connection. The connection is achieved by correct stripping, insertion of the conductor into the lug barrel, and application of the prescribed crimping operations.
Installation and crimping
The manufacturer's installation guide describes the necessary steps. The key, verified points are:
- Select the correct terminal size for the conductor cross-section (50 mm² for DR50-12N).
- Select the correct crimping tool and dies as indicated by Cembre.
- Strip the wire to the recommended length for DR50 variants: 31 mm.
- Insert the conductor into the lug barrel and perform the prescribed number of crimping operations, starting from the tongue side of the cable lug.
Documentation
Installation and technical details can be found in the manufacturer's datasheet:
View datasheet from manufacturerSpecifications
- Manufacturer: Cembre
- Product name: DR50-12N
- Manufacturer's item number: 2389188
- Type: Crimp-type ring terminal (DR-N) in accordance with DIN 46235
- For conductor cross-section: 50 mm²
- Screw: M12 (Ø 13 mm indicated by the manufacturer)
- Recommended stripping length (DR50 variants): 31 mm
- Material: Electrolytic copper ≥ 99.9%, annealed, electrolytically tin-plated (tin layer ≥ 3 µm indicated in datasheet)
- RoHS: Stated as compliant
- UL: Stated as UL-listed for US and Canada per UL486A - 486B (File no. E125401) according to manufacturer's datasheet
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