nVent ILSCO Nimbus PBT Series Insulated Splice Connector
The nVent ILSCO Nimbus PBTO-4 is a professional-grade insulated splice connector designed for connecting 4 to 14 AWG conductors in demanding electrical installations. Dual-rated for both copper and aluminum conductors and prefilled with De-ox compound, it simplifies installation while ensuring long-term, corrosion-resistant connections at 600V.
Key Specifications
- Brand/Line: Nimbus (nVent ILSCO)
- Series: PBT
- Product Type: Insulated Splice Connector
- Material: Aluminum
- Color: Black
- Wire Range: 4 to 14 AWG
- Voltage Rating: 600V
- Ports: 2
- Dimensions: 1.17 L x 1.42 H x 1.4 W in.
- Model: PBTO-4
- Manufacturer: nVent ILSCO
Features
- Dual-rated for copper or aluminum conductors
- Cold temperature rated to -45°C for use in extreme environments
- High dielectric strength plastisol is chemical resistant
- Black UV-rated cover for outdoor and exposed applications
- Removable port and screw plugs for versatile conductor entry
- Prefilled with De-ox compound to prevent oxidation at aluminum connections
Applications
Ideal for:
- Splicing aluminum or copper conductors in service entrance, feeder, and branch circuits
- Outdoor and exposed wiring applications requiring UV resistance
- Cold storage facilities and low-temperature environments
- Utility and commercial electrical installations



