Product Overview
The L1-M is a butt-through connector from CEMBRE's L-M series for joining copper conductors. The product is designed for electrical connection of Cu conductors and is constructed as a tubular crimp with a central stop and chamfered ends, allowing for easy insertion of conductors.Function and Construction
The connector is made of electrolytically oxidized copper with a purity of >99.95% and is electrolytically nickel-plated to reduce oxidation. The L1-M covers conductors in the range of 4–6 mm² (low strand 4 mm²). Dimensions are specified as L = 22 mm, A = 11 mm, and Ø = 3.6 mm. The operating temperature range is stated as −50 °C to 150 °C.Installation
The manufacturer's installation instructions specify the following verified points:- Select the correct L-M splice according to the conductor size.
- Adjust the stripping length to half the length of the connecting piece and insert the conductors from each side until the center stop.
- Use appropriate crimping tools and die sets as indicated in the manufacturer's table; the number of crimps per connection follows the manufacturer's instructions.
Documentation
For technical details and tool recommendations, please refer to the manufacturer's datasheet. See datasheet from the manufacturerSpecifications
- Product name: L1-M
- Manufacturer: CEMBRE
- Purpose: Butt-through connector for joining copper conductors
- Material: Electrolytic copper, purity >99.95%
- Surface: Electrolytic nickel plating (tin plated)
- Conductor range: 4–6 mm² (low strand 4 mm²)
- Dimensions: L = 22 mm, A = 11 mm, Ø = 3.6 mm
- Central stop and chamfered ends for conductor insertion
- Recommended stripping length: 13 mm
- Operating temperature: −50 °C to 150 °C
- UL listing: stated as UL 486A-486B (product description)
- UL listing according to datasheet: per 486 C, File no. E125401 (stated in the datasheet; up to 35 kV)
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