Siemens 250A NH Fuse NH1 500V ac
- RS Stock No.:
- 397-565
- Distrelec Article No.:
- 304-29-868
- Mfr. Part No.:
- 3NA3144
- Brand:
- Siemens
Bulk discount available
Subtotal (1 pack of 3 units)*
£114.84
(exc. VAT)
£137.82
(inc. VAT)
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Units | Per unit | Per Pack* |
|---|---|---|
| 3 - 12 | £38.28 | £114.84 |
| 15 - 72 | £35.44 | £106.32 |
| 75 - 147 | £34.173 | £102.52 |
| 150 - 297 | £33.033 | £99.10 |
| 300 + | £31.937 | £95.81 |
*price indicative
- RS Stock No.:
- 397-565
- Distrelec Article No.:
- 304-29-868
- 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 Type | NH | |
| Product Type | NH Fuse | |
| Fuse Size | NH1 | |
| Voltage | 500V ac | |
| Standards/Approvals | No | |
| Application Category | gG | |
| High Rupture Capacity | Yes | |
| Tag Type | Blade | |
| Minimum Operating Temperature | -5°C | |
| Overall Length | 137mm | |
| Maximum Operating Temperature | 60°C | |
| Length | 75mm | |
| Width | 47mm | |
| Series | 3NA3 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Current Rating 250A | ||
Fuse Type NH | ||
Product Type NH Fuse | ||
Fuse Size NH1 | ||
Voltage 500V ac | ||
Standards/Approvals No | ||
Application Category gG | ||
High Rupture Capacity Yes | ||
Tag Type Blade | ||
Minimum Operating Temperature -5°C | ||
Overall Length 137mm | ||
Maximum Operating Temperature 60°C | ||
Length 75mm | ||
Width 47mm | ||
Series 3NA3 | ||
- 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
Applications
• Ideal for high-capacity installations with durability
• 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