Why Choose the Mersen CMS22W1 Auxiliary Microswitch Kit?
The Mersen CMS22W1, item number E211581, is a genuine single-pole auxiliary microswitch kit designed for use with compatible Mersen Modulostar® CMS22 modular fuse holders. It enables remote electrical indication of fuse holder operation, allowing monitoring systems, PLCs and alarm circuits to receive status signals from installed fuse protection devices.
Designed specifically for the CMS22 series, the CMS22W1 allows engineers to add remote signalling capability without replacing the complete fuse holder. When correctly installed, the microswitch changes state as the fuse holder operates, providing dependable feedback for maintenance personnel and automated control systems.
This compact accessory is ideal for industrial automation, OEM machinery, switchboards and process control applications where rapid fault identification and remote monitoring improve system availability and reduce maintenance time.
Key Advantages
Genuine Mersen auxiliary microswitch kit.
Designed specifically for Modulostar® CMS22 fuse holders.
Provides remote fuse holder status indication.
Allows integration with PLCs, alarms and monitoring systems.
Simple retrofit installation on compatible CMS22 fuse holders.
Improves maintenance efficiency and fault diagnosis.
Compact industrial design.
Suitable for OEM and panel-building applications.
Key Features
Mersen Auxiliary Switches for Modular Fuse Holders series.
Catalogue number: CMS22W1.
Manufacturer item number: E211581.
Single-pole auxiliary microswitch kit.
Designed for Modulostar® CMS22 fuse holders.
Provides remote electrical signalling.
Suitable for new installations and retrofits.
Compact modular construction.
Quick installation.
Industrial-grade reliability.
Improve Electrical Monitoring and Maintenance
The CMS22W1 enables compatible Modulostar® CMS22 fuse holders to provide remote indication whenever the fuse holder changes operating state. By supplying a signal to external monitoring equipment, engineers can identify electrical faults more quickly without opening control panels or carrying out lengthy manual inspections.
The compact accessory integrates directly with compatible Mersen fuse holders, providing an efficient upgrade for applications where increased system visibility and preventative maintenance are required.
Typical Applications
Industrial control panels.
PLC monitoring systems.
Machine builder electrical cabinets.
OEM automation equipment.
Power distribution systems.
Process control installations.
Industrial switchboards.
Remote alarm and maintenance systems.
Technical Specifications
Phase
Single Phase
Manufacturer
Mersen
Series
Auxiliary Switches for Modular Fuse Holders
Item number
E211581
Catalogue number
CMS22W1
Product type
Auxiliary microswitch kit
Configuration
Single pole
Compatible series
Modulostar® CMS22 modular fuse holders
Function
Remote fuse holder status indication
Installation
Fits compatible CMS22 fuse holders
Application
PLC, alarm and monitoring systems
Package quantity
1
Approximate weight
20 g
Compliance
Genuine Mersen accessory
Frequently Asked Questions
What is the Mersen CMS22W1 used for?
The CMS22W1 is a single-pole auxiliary microswitch kit that adds remote status indication to compatible Mersen Modulostar® CMS22 fuse holders.
Which fuse holders is the CMS22W1 compatible with?
It is designed specifically for compatible Mersen Modulostar® CMS22 modular fuse holders.
What does the auxiliary microswitch do?
The microswitch provides an electrical signal that can be connected to a PLC, alarm or monitoring system to indicate the operating status of the fuse holder.
Can the CMS22W1 be fitted to existing fuse holders?
Yes. The CMS22W1 is designed as an accessory for compatible CMS22 fuse holders, allowing remote indication to be added without replacing the complete fuse holder.
Where is the CMS22W1 typically used?
It is commonly installed in industrial control panels, automation systems, switchboards and OEM machinery where remote electrical monitoring is required.
Trusted Industrial Monitoring Solutions
Mersen auxiliary microswitch accessories are trusted by panel builders, OEM manufacturers and industrial automation engineers to provide dependable remote monitoring of modular fuse protection systems.
Phase
Single Phase
Manufacturer
Mersen
Series
Auxiliary Switches for Modular Fuse Holders
Item number
E211581
Catalogue number
CMS22W1
Product type
Auxiliary microswitch kit
Configuration
Single pole
Compatible series
Modulostar® CMS22 modular fuse holders
Function
Remote fuse holder status indication
Installation
Fits compatible CMS22 fuse holders
Application
PLC, alarm and monitoring systems
Package quantity
1
Approximate weight
20 g
Compliance
Genuine Mersen accessory
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...