Description
The NT4 HRC Low Voltage Fuse Base is designed for use with compatible RT16-4, NT4 and NH4 fuse links in low-voltage electrical distribution and protection systems. With a rated current of 1250A and a rated insulation voltage of 500/690V, this model is suitable for electrical installations requiring high-current fuse protection.
The NT4 model features an insulating base with metal fuse contact assemblies and bolted connection terminals. Its structure provides a mounting platform for compatible fuse links and supports electrical integration into low-voltage distribution equipment.
Key Features
- Designed for NT4 HRC fuse link applications
- Compatible with RT16-4, NT4 and NH4 fuse links
- Rated current of 1250A
- Rated insulation voltage of 500/690V
- Metal contact assemblies with bolted terminals
- Insulating base structure
- Suitable for high-current low-voltage distribution systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | NT4 HRC Low Voltage Fuse Base |
| Model | NT4 |
| Compatible Fuse Links | RT16-4, NT4, NH4 |
| Rated Current | 1250A |
| Rated Insulation Voltage | 500/690V |
| Dimension A | 305 mm |
| Dimension B | 260 mm |
| Dimension C | 150 mm |
| Dimension D | 95 mm |
| Dimension E | 45 mm |
| Dimension H | 148 mm |
Dimension Figure

Refer to the product dimension drawing for the overall dimensions and mounting reference points of the NT4 fuse base.
Compatible Fuse Links
The NT4 fuse base is designed for compatible fuse links in the following specifications:
- RT16-4
- NT4
- NH4
Please verify fuse link dimensions and terminal compatibility before installation.
Applications
The NT4 HRC Fuse Base can be used in:
- Low-voltage power distribution systems
- Industrial electrical distribution equipment
- High-current fuse protection assemblies
- Electrical control and distribution cabinets
- Industrial power supply installations
FAQ
What is the rated current of the NT4 fuse base?
The NT4 model has a rated current of 1250A.
What is the rated insulation voltage?
The rated insulation voltage is 500/690V.
Which fuse links are compatible with this model?
The NT4 fuse base supports compatible RT16-4, NT4 and NH4 fuse links.
What are the overall dimensions?
The dimensions are A 305 mm, B 260 mm, C 150 mm, D 95 mm, E 45 mm and H 148 mm.
Can CWNE provide technical support and quotations?
Yes. Contact CWNE with your required specifications, quantities and application details for product selection and quotation.
Request Quote
Tell us your specifications, quantity, or application scenario and we will reply with a tailored quote.
