The NH fuse 40 A (Part No.: 03915 000A) is a reliable mechanical fuse designed for industrial electrical protection. With a rated voltage of 690 V and classification as gG, it is suitable for general purpose applications. Its porcelain construction ensures durability and safety, while being halogen free supports environmentally conscious installations. This fuse is size 00, making it compatible with a wide range of fuse holders and switchgear.
Key Benefits
Robust porcelain material for enhanced mechanical strength and insulation
Halogen free design minimises environmental impact and improves safety in case of fire
Standard NH 00 size ensures easy integration into existing systems
Mechanical product that does not carry current, providing safe and reliable overcurrent protection
Suitable for use in 690 V systems with gG operation class for general purpose fuse protection
Technical Specifications
Current
40 A
Item number
03915
Description
NH fuse 40 A
Weight
20.0 kg/100
Material
Porcelain
Halogen free
Yes
HS Code
85361050
Country of Manufacture
Hungary
Frequently Asked Questions
Is this fuse suitable for high voltage applications?
Yes, the NH fuse 40 A is rated for use up to 690 V AC, making it suitable for many industrial high voltage applications.
Does this fuse carry current continuously?
No, as a mechanical fuse, it does not carry current continuously but acts as a protective device that interrupts current in case of overload or short circuit.
Is the fuse environmentally friendly?
Yes, it is halogen free, reducing harmful emissions in the event of fire and supporting safer disposal.
What size is this fuse?
This fuse is size 00, compatible with standard NH fuse holders and switchgear.
Current
40 A
Item number
03915
Description
NH fuse 40 A
Weight
20.0 kg/100
Material
Porcelain
Halogen free
Yes
HS Code
85361050
Country of Manufacture
Hungary
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...