Description
NH Fuse Base series from CWNE includes NH1, NH2 and NH3 models designed for low-voltage electrical distribution and circuit protection assemblies. With rated current options from 250A to 630A and 500/690V rated insulation voltage, these fuse bases support compatible NH-type fuse links for industrial power distribution applications.
Available in three models, NH1, NH2 and NH3, this series supports rated currents of 250A, 400A and 630A respectively, with a rated insulation voltage of 500/690V. Different mounting dimensions and fuse link compatibility options allow buyers to select the appropriate configuration according to their electrical installation requirements.
The series is suitable for electrical panels, industrial distribution equipment and other compatible low-voltage protection assemblies.
Key Features
- Three available models: NH1, NH2 and NH3
- Rated current options of 250A, 400A and 630A
- Rated insulation voltage of 500/690V
- Compatible with RT16, NT and NH fuse link formats
- Different dimensions for different installation requirements
- Designed for industrial low-voltage power distribution applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | NH HRC Low Voltage Fuse Base |
| Product Models | NH1 / NH2 / NH3 |
| Rated Insulation Voltage | 500/690 V |
| Rated Current | 250A / 400A / 630A |
| Compatible Fuse Links | RT16-1 / NT1 / NH1; RT16-2 / NT2 / NH2; RT16-3 / NT3 / NH3 |
Model Selection and Dimensions
The NH fuse base series is available in three configurations:
| Parameter | NH1 | NH2 | NH3 |
|---|---|---|---|
| Product Model | NH1 | NH2 | NH3 |
| Compatible Fuse Link | RT16-1 / NT1 / NH1 | RT16-2 / NT2 / NH2 | RT16-3 / NT3 / NH3 |
| Rated Insulation Voltage | 500/690 V | 500/690 V | 500/690 V |
| Rated Current | 250 A | 400 A | 630 A |
| Dimension A | 208 mm | 224 mm | 239 mm |
| Dimension B | 176 mm | 192 mm | 207 mm |
| Dimension D | 58 mm | 58 mm | 58 mm |
| Dimension E | 32 mm | 35 mm | 40 mm |
| Dimension H | 82 mm | 89 mm | 106 mm |
Dimension Figure

Before installation, check dimensions A, B, D, E and H against the available mounting space and electrical connection requirements.
Compatible Fuse Links
This fuse base series is designed for the following compatible fuse link configurations:
- NH1: RT16-1 / NT1 / NH1
- NH2: RT16-2 / NT2 / NH2
- NH3: RT16-3 / NT3 / NH3
Select the correct fuse base according to the fuse link size and model designation.
Applications
NH1, NH2 and NH3 fuse bases can be used in compatible low-voltage electrical installations, including:
- Industrial power distribution panels
- Low-voltage switchgear assemblies
- Electrical control cabinets
- Industrial circuit protection systems
- Power distribution equipment
The appropriate model should be selected according to rated current, fuse link compatibility and installation dimensions.
Why Choose CWNE?
CWNE supplies low-voltage electrical components and circuit protection products for industrial applications.
- Multiple product configurations for different electrical requirements
- Technical information to support product selection
- Compatibility guidance for fuse links and accessories
- B2B supply support for distributors, contractors and equipment manufacturers
FAQ
What models are available in this fuse base series?
The series includes NH1, NH2 and NH3, each with different dimensions and rated current specifications.
What is the rated current of the NH fuse bases?
NH1 is rated at 250A, NH2 at 400A and NH3 at 630A.
Which fuse links are compatible with these fuse bases?
NH1 supports RT16-1, NT1 and NH1 fuse links. NH2 supports RT16-2, NT2 and NH2. NH3 supports RT16-3, NT3 and NH3.
Do NH1, NH2 and NH3 have the same dimensions?
No. Each model has different overall dimensions. Buyers should check the dimensional table before selecting a model.
How do I choose the correct NH fuse base?
Consider the required rated current, compatible fuse link model, insulation voltage and available installation space.
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