The Mersen BB3COV is a purpose-designed protective cover for NH3 fuse-base gripping tags, providing additional touch protection for fuse installations in industrial low-voltage power distribution systems. Manufactured as part of the Mersen Protective Covers for Tags range, it helps improve operator safety by covering the gripping lugs of NH fuse links installed in compatible NH3 fuse bases.
Constructed from durable insulating material, the BB3COV helps reduce the risk of accidental contact with exposed conductive components during normal operation and maintenance. It is specifically designed to fit NH size 3 fuse bases, making it an ideal accessory for panel builders, OEMs and electrical contractors requiring enhanced protection within switchboards and distribution panels.
Supplied in packs of three protective covers, the BB3COV is quick to install and fully compatible with selected Mersen NH3 fuse-base systems. It is RoHS compliant and supports safer operation in demanding industrial environments.
Key Advantages
Provides additional touch protection for NH3 fuse-base gripping tags.
Designed specifically for NH size 3 fuse bases.
Reduces the risk of accidental contact with live components.
Simple and quick installation.
Durable insulating construction for long service life.
Suitable for industrial switchboards and distribution equipment.
Genuine Mersen accessory for reliable compatibility.
Key Features
Mersen Protective Covers for Tags series.
Catalogue number: BB3COV.
Item number: R215709.
Protective cover for NH fuse-base gripping tags.
Compatible with NH3 fuse bases.
Size 3 design.
Improves touch protection.
RoHS compliant.
Supplied in packs of three.
Designed for industrial low-voltage fusegear.
Enhanced Safety for NH Fuse Installations
Protective covers are designed to improve the safety of NH fuse installations by shielding the gripping tags fitted to fuse links installed in compatible fuse bases. They help reduce accidental contact with conductive components while maintaining convenient access for maintenance when required.
The Mersen BB3COV is manufactured specifically for NH3 fuse-base systems and provides a precise fit for compatible equipment. Its robust construction makes it suitable for long-term use in industrial switchboards, motor control centres and electrical distribution panels.
Typical Applications
Industrial low-voltage switchboards.
NH3 fuse-base assemblies.
Power distribution panels.
Motor control centres.
OEM electrical equipment.
Industrial maintenance and retrofit projects.
Commercial electrical distribution systems.
Technical Specifications
Manufacturer
Mersen
Series
Protective Covers for Tags
Model
BB3COV
Item number / MPN
R215709
Product type
Protective cover
Application
Touch protection for fuse-base gripping tags
Compatible fuse size
NH3
Design size
Size 3
Compatible equipment
NH3 fuse bases
Sell pack quantity
3 pieces
Product weight
Approx. 0.0597 kg
EAN / UPC
8430399017037
RoHS compliant
Yes
HS Code
85389099
Frequently Asked Questions
What is the Mersen BB3COV?
The BB3COV is a protective cover designed to provide touch protection for the gripping tags of NH fuse links installed in compatible NH3 fuse bases.
Which fuse-base size is compatible?
The BB3COV is designed specifically for NH size 3 fuse bases.
How many protective covers are supplied?
Each standard pack contains three protective covers.
What is the purpose of the protective cover?
It helps reduce the risk of accidental contact with fuse gripping tags while improving the overall safety of the fuse installation.
Is the BB3COV RoHS compliant?
Yes. The Mersen BB3COV is fully RoHS compliant.
Trusted for Safe Industrial Fuse Protection
Mersen protective covers and fusegear accessories are trusted by panel builders, OEMs and maintenance engineers to improve safety and reliability within industrial low-voltage electrical distribution systems.
Manufacturer
Mersen
Series
Protective Covers for Tags
Model
BB3COV
Item number / MPN
R215709
Product type
Protective cover
Application
Touch protection for fuse-base gripping tags
Compatible fuse size
NH3
Design size
Size 3
Compatible equipment
NH3 fuse bases
Sell pack quantity
3 pieces
Product weight
Approx. 0.0597 kg
EAN / UPC
8430399017037
RoHS compliant
Yes
HS Code
85389099
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
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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...