The Mersen TS40-3 is a genuine three-pole terminal shroud designed for compatible Mersen 20 A to 40 A UL 508 non-fusible disconnect switches. It provides an electrically insulating barrier over the switch terminals, helping reduce the risk of accidental contact with live conductive parts inside industrial control panels, machine enclosures and electrical distribution equipment.
Manufactured as a dedicated Mersen disconnect-switch accessory, the TS40-3 is engineered to fit compatible three-pole switch assemblies while maintaining easy installation and dependable long-term protection. Its robust polycarbonate construction offers excellent electrical insulation for industrial applications.
Designed as a single three-pole terminal shroud, the TS40-3 protects all three poles using one moulded component. It is suitable for installation on compatible line-side or load-side terminals, making it ideal for OEM machinery, industrial automation and panel-building applications.
Key Advantages
Designed for compatible Mersen 20 A to 40 A disconnect switches.
Single moulded shroud protects all three poles.
Helps prevent accidental contact with exposed live terminals.
Suitable for compatible line-side or load-side terminal installation.
Durable polycarbonate construction provides excellent electrical insulation.
Genuine Mersen accessory for dependable fit and reliable performance.
Key Features
Mersen TS40 terminal shroud range.
Designed for compatible 20 A, 30 A and 40 A switch assemblies.
Suitable for UL 508 non-fusible disconnect-switch applications.
Suitable for compatible line-side or load-side terminals.
Designed for industrial control panels and switchboards.
Reliable Terminal Protection for Industrial Switchgear
Terminal shrouds provide an additional insulating barrier over exposed electrical terminals, helping improve operator safety during installation, servicing and routine maintenance. They are commonly specified by machine builders and panel manufacturers where enhanced touch protection is required.
The Mersen TS40-3 protects all three poles of a compatible disconnect switch using one integrated moulded shroud. Its compact design allows straightforward installation while maintaining access for cable termination and future maintenance.
The TS40-3 provides terminal protection for compatible three-pole Mersen disconnect switches by covering exposed live terminals with an electrically insulating shroud.
How many poles does the TS40-3 protect?
The TS40-3 is a single three-pole terminal shroud that protects all three poles of a compatible disconnect switch.
Which disconnect switches are compatible?
The TS40-3 is designed for compatible Mersen UL 508 non-fusible disconnect switches rated from 20 A to 40 A. Compatibility should always be confirmed before installation.
Can the TS40-3 be installed on the line or load side?
Yes. The TS40-3 is suitable for compatible line-side or load-side terminal applications, depending on the switch configuration.
Is the disconnect switch included?
No. The TS40-3 is supplied as a terminal shroud only. The compatible Mersen disconnect switch must be purchased separately.
Trusted by Panel Builders and Electrical Engineers
Mersen disconnect-switch accessories are trusted by panel builders, OEM manufacturers and industrial engineers for dependable terminal protection, reliable performance and seamless integration into modern electrical installations.
Current
40 A
Phase
Three Phase
Manufacturer
Mersen
Series
TS40
Model
TS40-3
Product type
Three-pole terminal shroud
Compatible switch type
UL 508 non-fusible disconnect switch
Compatible switch ratings
20 A, 30 A and 40 A
Number of poles protected
3
Compatible voltage
Up to 600 V AC
Material
Polycarbonate
Height
Approx. 39.9 mm (1.57 in)
Width
Approx. 10.9 mm (0.43 in)
Installation
Compatible line-side or load-side terminals
Standards
UL 98, RoHS compliant
Manufacturer part number
TS40-3
UPC
605340559231
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.
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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...