MERSEN FUSE IEC Switch 800A 3p R side op. M800E30S

Q: What is the current rating of the M800E30S?

The switch has a rated operational current of 800 A.

Q: What does the 30S designation mean?

The 30S version features a right side operated mechanism for flexible installation within electrical switchboards.

Q: How many poles does this switch have?

The M800E30S is a three-pole IEC switch disconnector designed for three-phase electrical systems.

Mersen M800E30S 800 A three-pole IEC switch disconnector with right side operation for industrial power isolation and load switching applications.

SKU: M800E30SMPN: M800E30S

List Price £1,841.31 ex VAT

Your Price (ex VAT)

£1,841.31

Manufacturer Lead Time Please contact us for a delivery time before you order

Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Quantity:

SUBTOTAL (EX VAT) £1,841.31

Trade pricing is personalised to your account

Manufacturer Lead Time

£1,841.31

Why Choose the Mersen M800E30S IEC Switch Disconnector?

The Mersen M800E30S is a heavy-duty IEC switch disconnector designed for safe and reliable isolation of high-current electrical circuits. Rated at 800 A, this three-pole right side operated switch disconnector is engineered for industrial switchboards, motor control centres and power distribution applications where dependable manual switching and electrical isolation are essential.

Manufactured by Mersen, the M800E30S combines robust construction with reliable switching performance, making it ideal for OEM panel builders, electrical contractors and industrial maintenance engineers. Its right side operating mechanism allows flexible installation within larger control panels while maintaining safe and convenient operation.

Designed for demanding industrial environments, the M800E30S provides dependable load isolation during maintenance and servicing while supporting compliance with modern electrical installation practices. Its durable design ensures a long operational life with minimal maintenance requirements.

Key Advantages

Heavy-duty 800 A IEC switch disconnector.
Three-pole configuration for three-phase power systems.
Right side operated (30S) mechanism for flexible installation.
Reliable manual isolation of industrial electrical circuits.
Suitable for switchboards, MCCs and distribution panels.
Manufactured by Mersen for long-term industrial reliability.

Key Features

Mersen IEC switch disconnector.
800 A rated operational current.
Three-pole design.
Right side operation (30S).
Designed for low voltage power distribution.
Industrial-grade switching mechanism.
Suitable for panel and switchboard installation.
Designed to IEC switch disconnector requirements.

Reliable Isolation for Industrial Power Systems

The Mersen M800E30S provides dependable manual switching and safe isolation of high-current electrical circuits. It helps protect maintenance personnel by providing a secure means of disconnecting power before servicing electrical equipment.

Its industrial construction and side-operated mechanism make it particularly suitable for larger electrical enclosures where flexible handle positioning and dependable switching performance are required.

Typical Applications

Industrial switchboards.
Main incoming electrical isolators.
Motor control centres.
OEM machinery.
Power distribution panels.
Commercial and industrial electrical installations.

Technical Specifications

Current	800 A
Phase	Three Phase
Manufacturer	Mersen
Model	M800E30S
Product type	IEC Switch Disconnector
Rated operational current	800 A
Configuration	3 Pole
Operation	Right side operated (30S)
Application	Load switching and electrical isolation
Mounting	Panel / switchboard installation
Standard	IEC switch disconnector
Suitable for	Industrial power distribution systems
Device Type	Fuse switch disconnector

Frequently Asked Questions

What is the Mersen M800E30S used for?

The M800E30S is an IEC switch disconnector used for switching and safely isolating high-current three-phase electrical circuits.

What is the current rating of the M800E30S?

The switch has a rated operational current of 800 A.

What does the 30S designation mean?

The 30S version features a right side operated mechanism for flexible installation within electrical switchboards.

How many poles does this switch have?

The M800E30S is a three-pole IEC switch disconnector designed for three-phase electrical systems.

Where is the M800E30S typically installed?

It is commonly installed in industrial switchboards, motor control centres, OEM equipment and electrical distribution panels.

Trusted by Electrical Professionals Worldwide

Mersen IEC switch disconnectors are trusted by panel builders, OEM manufacturers and industrial engineers for dependable circuit isolation, reliable switching performance and long service life in demanding electrical installations.

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

LED Controls showroom with electrical products on display

Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

● Service Agreements

Credit Accounts

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.

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

What are your delivery times and costs?

What about warranties, returns and faulty items?

● latest blog

Discover our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by admin | Aug 11, 2026 | News

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.

LED Controls: Danfoss Drives Authorised Partner

by admin | Jan 17, 2026 | Product Spotlight

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...

LED Controls: Your Complete Control Panel Solution