LAPP ÖLFLEX® UNIPLUS 1X25 RD – 4521041U100 is a 25 sq. mm single-core flame-retardant electrical cable designed for reliable fixed electrical installations. It features a fine-wire stranded bare copper conductor, PVC insulation and red (RD) colour identification.
The cable is part of the ÖLFLEX® UNIPLUS range and is suitable for wiring applications such as switchgear cabinets, distribution boxes, devices and protected installations. LAPP specifies the range for fixed installations and applications involving installation in tubes or closed installation ducts.
The 4521041U100 uses a single-core 25 sq. mm bare copper conductor with a fine-wire stranded construction. The stranded conductor provides practical installation flexibility while maintaining the conductivity expected from a copper conductor.
The cable is insulated with PVC and has a red outer identification, making it easy to distinguish within organized electrical wiring systems. LAPP's product-family data identifies 4521041U100 as a 25 mm² red single-core cable supplied in ring packaging.
The ÖLFLEX® UNIPLUS range is specified with a 1.1 kV AC nominal voltage and 3 kV test voltage. Current carrying capacity should be selected according to the applicable installation conditions and relevant current-rating standard.
The 25 sq. mm conductor makes this variant suitable for electrical wiring applications where a larger single-core conductor is required.
The ÖLFLEX® UNIPLUS range is designed with flame-retardant properties. LAPP specifies flame retardance according to IS 10810-53 for the range. This is important for electrical installations where reduced flame propagation is required.
Note: This product is an FR (flame-retardant) cable, not an FRLS-specific variant. Therefore, it should not be described as a low-smoke cable unless the particular article documentation states that characteristic.
LAPP ÖLFLEX® UNIPLUS 1X25 RD combines a substantial 25 sq. mm copper conductor with PVC insulation and flame-retardant properties. Its red colour identification and fine-wire construction make it practical for organized industrial wiring, control cabinets and electrical distribution applications.
The product is also available in a 100 m ring format, making it convenient for project-based electrical installation requirements.
LAPP ÖLFLEX® UNIPLUS 1X25 RD can be used for:
LAPP specifically lists wiring of lamps, devices, switchgear cabinets and distribution boxes among the applications of the ÖLFLEX® UNIPLUS range.
The 4521041U100 is intended for fixed installation. LAPP specifies a minimum bending radius of 6 × the outer diameter for fixed installation. The cable should be routed and terminated using appropriate installation practices while avoiding excessive mechanical stress or damage to the PVC insulation.
For the 25 sq. mm construction, LAPP's catalog data gives an approximate 10.2 mm nominal outer diameter, corresponding to approximately 61.2 mm minimum bending radius when applying the 6 × OD requirement.
| Specification | Details |
|---|---|
| Brand | LAPP |
| Product Series | ÖLFLEX® UNIPLUS |
| Product Name | ÖLFLEX® UNIPLUS 1X25 RD |
| Article Number | 4521041U100 |
| Cable Type | Single Core Cable |
| Number of Cores | 1 Core |
| Conductor Size | 25 sq. mm |
| Conductor Material | Bare Copper |
| Conductor Construction | Fine-Wire Stranded, Class 5 |
| Insulation Material | PVC |
| Cable Colour | Red |
| Colour Code | RD |
| Rated Voltage | 1.1 kV AC |
| Test Voltage | 3 kV |
| Flame Retardant | Yes |
| Flame Retardance Standard | IS 10810-53 |
| Installation Type | Fixed Installation |
| Minimum Bending Radius | 6 × Outer Diameter |
| Nominal Outer Diameter | Approx. 10.2 mm |
| Packaging | Ring |
| Cable Length | 100 m |
| Unit | Meter |
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