GBP
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.