KBF3A11 – ADJ RUBBER ROLLER LEVER 1NO+1NC SLOW

Q: What type of actuator does the Lovato KBF3A11 use?

The Lovato KBF3A11 uses an adjustable rubber roller lever actuator designed for mechanical position sensing applications.

Q: What contact configuration does the Lovato KBF3A11 have?

The Lovato KBF3A11 features one normally open (NO) and one normally closed (NC) slow-action make-before-break contact.

Q: What cable entry is used on the Lovato KBF3A11?

The Lovato KBF3A11 uses an M20 bottom cable entry connection.

Q: Is the Lovato KBF3A11 suitable for industrial automation?

Yes. The KBF3A11 is designed for industrial automation, machinery, and control applications requiring reliable mechanical limit detection.

Lovato Electric KBF3A11 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.

SKU: KBF3A11MPN: KBF3A11

List Price £46.77 ex VAT

Your Price (ex VAT)

£46.77

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) £46.77

Trade pricing is personalised to your account

Manufacturer Lead Time

£46.77

Lovato KBF3A11 Limit Switch - Adjustable Rubber Roller Lever 1NO+1NC Slow Action

Lovato KBF3A11 Limit Switch - Adjustable Rubber Roller Lever, 1NO+1NC Slow Action

The Lovato KBF3A11 is a K Series industrial limit switch designed for reliable mechanical position detection and control applications. Featuring an adjustable rubber roller lever actuator, polymer thermoplastic housing, and 1NO+1NC slow-action make-before-break contacts, this limit switch provides dependable switching performance for industrial automation systems.

Designed according to EN 50047 dimensional standards, the Lovato KBF3A11 includes a bottom M20 cable entry, IP65 protection rating, and a durable construction suitable for machinery, conveyors, and automated equipment requiring accurate mechanical limit sensing.

Lovato KBF3A11 Features

Manufacturer: Lovato Electric
Model: KBF3A11
Product type: K Series limit switch
Adjustable rubber roller lever actuator
1NO+1NC slow-action make-before-break contacts
Polymer thermoplastic housing
M20 bottom cable entry
IP65 protection rating
EN 50047 compliant dimensions
Suitable for industrial automation and machine control applications

Applications

The Lovato KBF3A11 limit switch is suitable for a wide range of industrial applications including:

Industrial machinery position monitoring
Automation systems
Conveyor equipment
Machine tooling
Production line control
Mechanical switching applications

Why Choose Lovato KBF3A11?

The Lovato KBF3A11 combines flexible installation with reliable industrial switching performance. Its adjustable rubber roller lever allows smooth mechanical actuation, while the 1NO+1NC slow-action make-before-break contact arrangement provides versatile control options for industrial circuits. The IP65-rated enclosure helps protect the switch in demanding industrial environments.

Technical Specifications

Weight [g]	140
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	150X060X038
Volume [cm³]	342
Bar code [EAN13]	8013975114575
Product designation	Adjustable roller lever
Product type designation	KBF
Housing	Polymer thermoplastic
Roller	Rubber
Type of contact	1NO+1NC Slow action make before break
Thermal current Ith	10
IEC/EN 60947-5-1 designation	A600 Q600
Rated insulation voltage Ui [V]	690
Rated impulse withstand voltage Uimp	6
Insulation class	II
Short-circuit protection with fuse	10 gG/SC QUICK FUSE
min	16
max	14
IEC Conventional free air thermal current Ith	10
Resistance per pole (average value)	<10
Operating head fixing	Locking bayonet insert
min [mm²]	1.5
max [mm²]	2.5
Cable connection	Self-releasing screw terminal
Cable entry	M20 on the bottom
Mechanical life	<10000000
Mechanical operation	3600
min [°C]	-40
max [°C]	+70
Terminals	IP20
Body housing	IP65
Pollution degree	3
ETIM 8.0	EC000030 - End switch
HS Code	85365080
Housing Material	Plastic
Connection	M20 cable entry

Frequently Asked Questions

What type of actuator does the Lovato KBF3A11 use?

The Lovato KBF3A11 uses an adjustable rubber roller lever actuator designed for mechanical position sensing applications.

What contact configuration does the Lovato KBF3A11 have?

The Lovato KBF3A11 features one normally open (NO) and one normally closed (NC) slow-action make-before-break contact.

What cable entry is used on the Lovato KBF3A11?

The Lovato KBF3A11 uses an M20 bottom cable entry connection.

Is the Lovato KBF3A11 suitable for industrial automation?

Yes. The KBF3A11 is designed for industrial automation, machinery, and control applications requiring reliable mechanical limit detection.

Weight [g]	140
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	150X060X038
Volume [cm³]	342
Bar code [EAN13]	8013975114575
Product designation	Adjustable roller lever
Product type designation	KBF
Housing	Polymer thermoplastic
Roller	Rubber
Type of contact	1NO+1NC Slow action make before break
Thermal current Ith	10
IEC/EN 60947-5-1 designation	A600 Q600
Rated insulation voltage Ui [V]	690
Rated impulse withstand voltage Uimp	6
Insulation class	II
Short-circuit protection with fuse	10 gG/SC QUICK FUSE
min	16
max	14
IEC Conventional free air thermal current Ith	10
Resistance per pole (average value)	<10
Operating head fixing	Locking bayonet insert
min [mm²]	1.5
max [mm²]	2.5
Cable connection	Self-releasing screw terminal
Cable entry	M20 on the bottom
Mechanical life	<10000000
Mechanical operation	3600
min [°C]	-40
max [°C]	+70
Terminals	IP20
Body housing	IP65
Pollution degree	3
ETIM 8.0	EC000030 - End switch
HS Code	85365080
Housing Material	Plastic
Connection	M20 cable entry

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