Description
NT4 HRC Low Voltage Link
The NT4 HRC Low Voltage Link is designed for overcurrent and short-circuit protection in compatible low-voltage electrical distribution systems. Its metal blade terminals support installation in compatible electrical fuse assemblies.
With a rated voltage of 500/690 V and a rated current range of 500–1250 A, the NT4 model is intended for electrical distribution applications requiring high-current circuit protection. The appropriate rating should be selected according to the system voltage, operating current and protection coordination requirements.
Key Features
- Rated voltage of 500/690 V
- Rated current range of 500–1250 A
- High breaking capacity under specified operating conditions
- Ceramic fuse body with metal blade terminals
- Designed for compatible NT fuse assemblies
- Suitable for high-current electrical distribution protection
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | NT4 HRC Low Voltage Link |
| Model | NT4 |
| Rated Voltage | 500/690 V |
| Rated Current | 500–1250 A |
| Breaking Capacity at 500 V | 120 kA |
| Breaking Capacity at 690 V | 50 kA |
| Dimension A | 200 mm |
| Dimension B | 150 mm |
| Dimension C | 90 mm |
| Dimension D | 97 mm |
| Dimension H | 113 mm |
| Dimension J | 16.5 mm |
Dimension Figure
Applications
The NT4 HRC Low Voltage Link can be considered for compatible electrical distribution and industrial protection installations, including:
- High-current low-voltage distribution systems
- Industrial power distribution equipment
- Overcurrent protection circuits
- Short-circuit protection arrangements
Final selection should account for the rated voltage, operating current, prospective short-circuit current, fuse characteristics and compatible fuse assembly.
FAQ
What is the rated current range of NT4?
The rated current range listed for NT4 is 500–1250 A. Select the appropriate rating according to the electrical system requirements.
What is the rated voltage?
The rated voltage is 500/690 V. Confirm the applicable system voltage before installation.
What is the breaking capacity?
The stated breaking capacity is 120 kA at 500 V and 50 kA at 690 V. Verify that the selected link is suitable for the prospective short-circuit current.
What information is needed for a quotation?
Provide the required current rating, operating voltage, quantity and intended application so the product requirements can be reviewed.
Request Quote
Tell us your specifications, quantity, or application scenario and we will reply with a tailored quote.
