
4mm2 Two Core DC Cable 100m - Red and Black
Doncaster Cables 4mm2 Two Core DC Cable 100m - Red and Black
- 4mm2 Two Core DC Cable 100m - Red and Black
- Part No: DC-PV-ULTRA2C4.0-100
- Cables - DC Cables
- Easier to handle and identify
- Saves installation costs and installation time
- Easier to route along/through buildings or walls
- Gives a cleaner, neater installation
- Safer as it removes the need for junction boxes
- Safer as it looks like a power cable to reduces the risk of accidental damage
- Pre-marked ‘LIVE DC’ warning message to improve safety
PV-Ultra - Double Insulated Multicore DC Cable
PV-Ultra is a durable cable specifically crafted for DC interconnections within solar photovoltaic systems. With outstanding mechanical properties, it can be installed both internally and externally. Constructed from high-quality materials, it boasts an expected lifespan of approximately 25 years. The cables are designed to operate at a maximum conductor temperature of 90°C, with a permissible maximum conductor temperature of 120°C for up to 20,000 hours, under a maximum ambient temperature of 90°C.
Features and Benefits
Current carrying capacities based on ambient temperature of 60°C , for temperatures above 60°C temperature derating factors should be applied as follows 70°C=0.91, 80°C=0.82, 90°C=0.71. Refer to BS7671 for further guidance.
Stocked lines ordered before 2pm go out for next-day delivery. UK mainland is typically 1-2 business days, with the Highlands and Islands taking a little longer.
Unused items in their original packaging can be returned within 14 days of delivery. Get in touch first and we'll arrange collection or send a return label.
Yes. Installers get trade rates, and pallet or project quantities are quoted individually - contact us with your requirements.
Prices are displayed ex VAT with the inc VAT figure alongside, so trade customers see the number they work from and everyone can check the total.
Send us the roof layout, the output you're targeting and any existing equipment, and our team will spec a compatible system and flag anything needing G98 or G99 notification.
Larger orders ship palletised on a tail-lift vehicle. Someone needs to be on site to receive it, and delivery is kerbside unless arranged otherwise.
Build your complete solar system
Everything you need in one place.
- Inverters
- Batteries
- Mounting Systems
- Cabling & Accessories
- Protection Devices
Delivery times vary by region:
- UK — 1-2 business days
- Highlands & Islands — 1-2 business days
Returns accepted within 14 days of delivery for unused items in original packaging.

