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Subtotal (1 pack of 3 units)*
£36.261
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£43.512
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- 18 unit(s) ready to ship
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Units | Per unit | Per Pack* |
|---|---|---|
| 3 - 12 | £12.087 | £36.26 |
| 15 - 72 | £11.19 | £33.57 |
| 75 - 147 | £10.79 | £32.37 |
| 150 - 297 | £10.43 | £31.29 |
| 300 + | £10.083 | £30.25 |
*price indicative
- RS Stock No.:
- 397-565
- Mfr. Part No.:
- 3NA3144
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Current Rating | 250A | |
| Fuse Size | NH1 | |
| Voltage Rating | 500V ac | |
| Fuse Standard | CSA 22.2, IEC EN 60269, VDE 0636 | |
| Application Category | gG | |
| High Rupture Capacity | Yes | |
| Overall Length | 137mm | |
| Tag Type | Blade | |
| Tag Orientation | Centred | |
| Body Length | 75mm | |
| Body Width | 47mm | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Current Rating 250A | ||
Fuse Size NH1 | ||
Voltage Rating 500V ac | ||
Fuse Standard CSA 22.2, IEC EN 60269, VDE 0636 | ||
Application Category gG | ||
High Rupture Capacity Yes | ||
Overall Length 137mm | ||
Tag Type Blade | ||
Tag Orientation Centred | ||
Body Length 75mm | ||
Body Width 47mm | ||
- COO (Country of Origin):
- GR
Siemens NH Fuse, 137mm Overall Length, NH1 Fuse Size - 3NA3144
This NH fuse provides overcurrent protection for various electrical applications. With a current rating of 250A and a voltage rating of 500V AC, it ensures dependable circuit performance. Its robust construction is suitable for industrial environments, meeting strict safety standards.
Features & Benefits
• High rupture capacity for effective fault protection
• Front indicators for improved visibility
• Silver-plated contacts resist corrosion and enhance conductivity
• Blade contacts ensure secure connections
• Compliant with CSA 22.2 and IEC EN 60269 standards
• Minimal power loss of 18.2W at rated current
• Front indicators for improved visibility
• Silver-plated contacts resist corrosion and enhance conductivity
• Blade contacts ensure secure connections
• Compliant with CSA 22.2 and IEC EN 60269 standards
• Minimal power loss of 18.2W at rated current
Applications
• Ideal for high-capacity installations with durability
• Designed for where space-saving dimensions are important
• Works with non-insulated grip lugs in installations
• Designed for where space-saving dimensions are important
• Works with non-insulated grip lugs in installations
What ambient temperature range is suitable for operation?
The operating temperature should range from -5°C to 40°C for optimal performance.
How does it compare to other fuse types in terms of breaking capacity?
It has a breaking capacity of 120kA at AC and 25kA at DC, making it effective for various conditions.
Is there a specific mounting requirement for installation?
It can be mounted in any position, though a vertical orientation is preferred for better accessibility.
What maintenance is required for optimal reliability?
Regular inspections for contact corrosion and verification of connections can help sustain performance longevity.
Approvals
DIN VDE 0636, DIN VDE 0636-2, CSA 22.2 No. 106
Standards
IEC 60269-1, IEC 60269-2, EN 60269-1