Nh Knife-Contact Blade Fuse Link 250A 500V AC for Motor Protection

Product Description

Product Description

NT/NH low-voltage HRC ceramic fuses are dedicated protective components for industrial electrical circuits, motors, and equipment. 
Their advantages include high breaking capacity, safety & reliability, compact & efficient design, and versatile applicability, protecting against overloads and short circuits. Popular models: NT00, NT1, NT2.

Company Description

1.Core Factory: Four manufacturing bases with an annual output of over 600 million units, ensuring stable supply through fully in-house production.

2.Experience: 30+ years in the electrical sector, our experienced technical team never stops refining product performance.

3.Global Authoritative Certifications: Products certified by IEC, CE, CCC, TUV, UKCA, UL, and other international and domestic standards for reliable quality.

3.Flexible Customization :ODM/OEM services available for custom specifications, functions, packaging, and branding.
4.Cost-Effective Solutions:Direct-from-factory sales offer competitive pricing for both agents and end-users.

Protection against overloads and short circuits

Designed and manufactured in compliance with IEC 60269/DIN 43620 standards, NT/NH low-voltage HRC ceramic fuses are engineered to deliver reliable protection against overloads and short circuits. Their robust ceramic construction and high-breaking-capacity design ensure that electrical faults are interrupted safely, supporting the stable operation of industrial circuits, motors, and equipment. The adherence to international standards guarantees consistent performance in AC 50Hz systems with rated voltages up to 1140V and currents up to 1250A, making them a trusted choice for industrial electrical protection.

NT/NH Low-Voltage HRC Ceramic Fuse | Product Highlights

 Flexible CustomizationMaterials: Tailored ceramic fuse body and element materials to meet your specs 
 Types: Available in general-purpose (gG/gL) and motor protection (aM) types 
 Models: Versatile size options including NT00, NT1, NT2

Core Protection Features
 High Breaking Capacity: Up to 120kA fault interruption stops damage instantly 
 Stable Overload & Short-Circuit Protection: Customizable current range up to 1250A for precise protection 
 Robust Low-Voltage Insulation: 1140V rated voltage, engineered to prevent breakdown 
 Low Power Loss Design: Optimized construction for efficient energy use
Performance Advantages 
 Safety & Reliability: Ensures secure operation in power distribution, motor circuits, and industrial installations 
Compact & Efficient: Designed for low power loss, works seamlessly with specialized NT fuse holders (e.g., HR17 fuse disconnectors) 
Extreme Environment Ready: Handles high temperatures and vibrations for heavy-duty use 
Tool-Free Installation: Compatible with dedicated fuse holders for secure, easy mounting

item	value
Material	Copper
NH00	160A
Safety Standards	IEC
Type	Fuse Link
Place of Origin	China
Model Number	NH/NT
Application	Low Voltage
Response Time	Fast Blow

Trustworthy Partnership

Customization That Fits

Seamless Compatibility

The customer highly commended our sense of responsibility, noting that in an industry where many vendors disengage after payment, our commitment to long-term accountability stands out. This reliability has built strong trust and confidence in our future collaboration.

The customer expressed full satisfaction with the fuses, emphasizing that the custom logo and packaging perfectly matched their requirements. This demonstrates our precision in delivering tailored solutions and has secured the customer's commitment to ongoing cooperation.

The customer praised our secure packaging and reported that our fuses seamlessly replaced their old brand without any equipment adjustments. The products have run flawlessly since installation, leading the customer to immediately place a follow-up order for 500 units—a testament to our product's compatibility and quality.
 

Streamlined & Impactful Version 
"With extensive export experience, we optimize container loading to maximize your value and ensure smooth logistics. As a fully integrated factory, we produce core components in-house using only 100% virgin materials—sourced directly from official state units—guaranteeing superior quality and safety without any recycled materials."

Get Project Support Easily

At SR FUSE, we make complexity simple! Follow these 3 steps to get started now!

1.Tell Us What You Need: Describe your needs as specifically as possible. Please provide drawings, reference pictures, and share your ideas. 2.Receive Solutions and Quotation: We will create the best solution based on your requirements and drawings and receive specific quotation within 24 hours. 3.Approval for Mass Production: We will begin production once we receive your approval and deposit, and we will arrange the shipment thereafter.

1-Year Warranty

7/24 Professional Team Support

Our XRNP high-voltage fuse offers fast current-limiting protection and reliable arc extinction, with a rated voltage range of 3.6kV–40.5kV. It complies with GB/T 15166.4 standards, fits XRNP holders, and comes with a 1-year warranty. Custom solutions available.

Our XRNP high-voltage fuse delivers fast current-limiting protection and reliable arc extinction, with a rated voltage of 3.6kV–40.5kV and compliance with GB/T 15166.4 standards. Our 7/24 technical team is on standby to provide immediate after-sales support and solutions for your high-voltage equipment needs.

FAQ

Q:What certification do you have?
A:ISO9001, CE Approved, CNAS L0223, CNAS L0107, CNAS L0116 , SGS Certified

Q:Have you ever participated in any exhibitions, and what are your future plans?
A:We have participated in domestic exhibitions including the Canton Fair, and we plan to expand into international exhibitions, with participation in an Australian trade show scheduled for 2026. 

Q:How about your after-sales service?
A:Our services are continuously. After an order is completed, we pay even closer attention to our customers. At every stage, our sales team will keep you updated on logistics information. If you have any questions after receiving the goods, including installation guidance, we will assist you promptly.

Q:We only need some products inner parts/components, could you sell that?
A:Yes, we can

Q:Our products and packaging can be printed customer's brand?
A:Yes, just need customer's certification of distribution

Q:How long is our delivery time?
A:It usually takes 30 days, but the exact timeframe depends on the product and order quantity. We will need to discuss with the manufacturing department.

Q:Compared to peers, what are our advantages?
A:We are a manufacturer, with high quality products, we have 6 production line, our price is more competitive, we can quickly according to the requirements of the customers to make samples and improvements

Q:What 's the major products of your company?
A:High-voltage fuse, low-voltage fuse, medium-voltage fuse, drop-out fuse, lightning arrester & insulator

Q:Are you factory?Where is your factory?
A:Yes.Our company address is No. 218, Wei 15th Road, Yueqing Economic Development Zone, Yueqing, Wenzhou, Zhejiang ,China.

Q:How do you ensure that the product quality meets the standards?
A: Each product export will go through Visual & Dimensional Inspection, Temperature Rise Test, Mechanical Operation Test, Sealing Test, Vibration Test, Shock Test and striker Test. 

Q:What kind of support will you offer?
A: The sales engineers you engage with are experienced and certified in English proficiency. We have several English-speaking team members and foreign colleagues, along with a dedicated group of over 50 experienced engineers who ensure smooth communication and provide viable design solutions.