Fuse Bases For Knife Type
Products Description
Our Fuse Bases for Knife Types are specifically designed for high current density environments and feature the following key characteristics:
Highly Flexible Contact Structure: The clamping section is precisely geometrically calculated to ensure ideal clamping force upon contact with the fuse blade, preventing momentary circuit breaks caused by vibration.
Integrated Metal Streamlines: Through precision stamping, the internal metal grains are smoothly arranged, significantly improving the component's longitudinal current-carrying efficiency.
Modular and Flexible Layout: Supports single-pole or multi-pole combinations to adapt to the space requirements of distribution cabinets with varying densities.
Excellent Environmental Resistance: The surface undergoes high-performance electroplating, maintaining excellent oxidation resistance even in harsh environments such as humidity and salt spray.
Material Advantages: Copper T2Y2
Copper T2Y2 possesses excellent electrical and thermal conductivity, making it an ideal substrate for electrical connection and power transmission components. Its stable metallic structure allows Fuse Holders/Bases to maintain good ductility and fatigue resistance after stamping, reducing the risk of microcracks caused by stress concentration.
In fuse holder applications, high conductivity translates to lower contact resistance and more uniform current distribution, helping to reduce localized heating; excellent heat dissipation capabilities contribute to overall system temperature rise control, improving the operational stability of electrical protection components.
Furthermore, copper exhibits excellent surface treatment compatibility, allowing for tin plating, nickel plating, or other functional treatments to improve corrosion resistance and weldability, depending on the requirements of different end devices.
Manufacturing Advantages: From Precision Stamping to Fully Automated Tapping
Fully Automated Progressive Stamping
Complex actions such as blanking, forming, and bending are completed within a single die. This manufacturing method ensures the consistency of geometric tolerances for every NH Fuse Base in millions of orders.
In-die Tapping Technology
The tapping process is integrated into the stamping die, ensuring the absolute perpendicularity of the thread axis to the contact plane, eliminating stripping and eccentricity during bolt installation.
Digital Tolerance Control
Key clamping dimensions are controlled within 0.05 mm, ensuring smooth tool insertion and uniform locking torque.
Application Advantages: Precision Load Bearing Across Industries
Industrial Power Distribution
Main circuit connection for low-voltage switchgear and distribution panels, rated current 100-1600A, withstands short-circuit current up to 100kA, and protects motors and transformers with gG or aM type fuses.
01
New Energy Power Generation
DC side busbar for photovoltaic inverters and wind power converters, withstands wide temperature ranges and outdoor environments, and protects power semiconductors with fast-blow fuses.
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Electric Vehicles
High-voltage power distribution units (PDUs) for battery packs and motor controllers, providing short-circuit protection for 800V platforms with EV-specific fast-blow fuses.
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Data Centres and UPS
Selective protection nodes in power distribution systems, low impedance ensures power supply efficiency, and fast-blow characteristics match the withstand curves of semiconductor devices for Fuse Bases for Knife Type.
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Rail Transportation
High-reliability connection for traction converters and auxiliary power supplies, withstands vibration, shock, and wide temperature ranges, meeting standards such as EN 50155.
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contact us
If your project has specific engineering specifications regarding the current-carrying temperature rise characteristics, thread fastening life, and seismic reliability of the NH Series Fuse Base Knife Contact, please contact our technical team immediately. We will provide you with a full range of engineering verification support, from hole strength calculation to contact resistance testing.
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