Wöhner 03849 genuine lid interlock for NH size 00 fuse switch disconnectors, designed for sealing wire to provide secure access control in industrial electrical distribution systems.
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The Wöhner 03849 is a genuine lid interlock accessory designed for NH size 00 fuse switch disconnectors. Manufactured by Wöhner, this accessory enables the disconnector lid to be secured using a sealing wire, helping prevent unauthorised access while supporting safe operation and maintenance of electrical distribution systems.
Designed for seamless compatibility with Wöhner's NH fuse switch disconnectors, the 03849 lid interlock is simple to install and provides an effective method of securing equipment in industrial switchboards and power distribution panels. Its robust construction ensures dependable performance in demanding industrial environments.
Whether used in OEM equipment, control panels or electrical distribution systems, the Wöhner 03849 offers a practical solution for improving equipment security and helping maintain compliance with operational safety procedures.
Key Advantages
Genuine Wöhner accessory for NH fuse switch disconnectors.
Designed specifically for NH size 00 devices.
Allows the disconnector lid to be secured using sealing wire.
Helps prevent unauthorised access during operation.
Quick and straightforward installation.
Ideal for industrial control panels and power distribution systems.
Key Features
Manufacturer: Wöhner.
Part number: 03849.
Product type: Lid interlock.
Suitable for NH size 00 fuse switch disconnectors.
Designed for sealing wire installation.
Compact accessory for secure equipment protection.
Supports safer maintenance and tamper indication.
Original Wöhner quality component.
Secure Protection for Electrical Distribution Equipment
Lid interlocks play an important role in electrical safety by helping prevent unauthorised opening of fuse switch disconnectors. The Wöhner 03849 enables a sealing wire to be fitted, providing a simple and effective method of indicating tampering and maintaining controlled access to electrical equipment.
As an original Wöhner accessory, the 03849 is manufactured to integrate perfectly with compatible NH size 00 fuse switch disconnectors, making it an ideal choice for panel builders, maintenance engineers and industrial electrical installations.
Typical Applications
Industrial switchboards.
Power distribution panels.
Machine control cabinets.
OEM electrical equipment.
Commercial electrical installations.
Maintenance and safety lockout procedures.
Technical Specifications
Manufacturer
Wöhner
Model
03849
Product type
Lid interlock
Compatible equipment
NH fuse switch disconnectors
Compatible size
NH Size 00
Securing method
Sealing wire
Application
Electrical distribution and switchgear
Installation
Direct fit accessory
Construction
Industrial-grade component
Manufacturer origin
Wöhner genuine accessory
HS Code
85389099
Country of Manufacture
Germany
Frequently Asked Questions
What is the Wöhner 03849 used for?
The Wöhner 03849 is a lid interlock accessory used to secure NH size 00 fuse switch disconnectors with a sealing wire.
Which devices is this accessory compatible with?
It is designed for compatible Wöhner NH size 00 fuse switch disconnectors.
Does the 03849 use padlocks?
No. The Wöhner 03849 is designed specifically for use with a sealing wire.
Why would a lid interlock be fitted?
It helps prevent unauthorised access, supports maintenance procedures and provides visible tamper indication using a sealing wire.
Is this a genuine Wöhner part?
Yes. The 03849 is an original Wöhner accessory manufactured for compatible NH size 00 fuse switch disconnectors.
Trusted by Electrical Professionals Worldwide
Wöhner electrical accessories are trusted by panel builders, switchgear manufacturers and industrial engineers for delivering dependable performance, excellent compatibility and long-term reliability in power distribution systems.
Manufacturer
Wöhner
Model
03849
Product type
Lid interlock
Compatible equipment
NH fuse switch disconnectors
Compatible size
NH Size 00
Securing method
Sealing wire
Application
Electrical distribution and switchgear
Installation
Direct fit accessory
Construction
Industrial-grade component
Manufacturer origin
Wöhner genuine accessory
HS Code
85389099
Country of Manufacture
Germany
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.
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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...