KMF4L21 – ADJ RUBBER ROLLER LEVER 2NO+1NC SLOW BR.

Q: What is the Lovato KMF4L21 used for?

The Lovato KMF4L21 is used for detecting mechanical movement and controlling automated equipment through reliable position switching.

Q: What type of contacts does the KMF4L21 have?

The Lovato KMF4L21 features 2NO + 1NC slow-action contacts for industrial switching applications.

Q: What actuator does the Lovato KMF4L21 use?

The Lovato KMF4L21 uses an adjustable rubber roller lever actuator with offset alignment for flexible mechanical operation.

Lovato Electric KMF4L21 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.

SKU: KMF4L21MPN: KMF4L21

List Price £74.54 ex VAT

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£44.72 40% OFF

You save £29.81 per unit

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

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Manufacturer Lead Time

£44.72

Lovato KMF4L21 Limit Switch

The Lovato KMF4L21 is a K Series industrial limit switch featuring an adjustable rubber roller lever actuator, aluminium-zinc alloy metal housing, and 2NO + 1NC slow-action contacts. Designed for accurate position sensing and dependable machine control, this rugged limit switch provides reliable performance for industrial automation applications.

Lovato KMF4L21 Features

Lovato Electric K Series industrial limit switch
Adjustable rubber roller lever actuator with offset alignment
2NO + 1NC slow-action contact configuration
Aluminium-zinc alloy metal housing construction
M20 bottom cable entry
IP65 protection rating for industrial environments
EN 50047 compliant dimensions
Suitable for machinery automation and mechanical position detection

Applications

The Lovato KMF4L21 limit switch is suitable for industrial machinery, conveyor systems, automated production equipment, control panels, and mechanical position monitoring applications where accurate switching and long service life are required.

Why Choose Lovato KMF4L21?

The Lovato KMF4L21 combines durable metal construction with reliable slow-action switching technology. Its adjustable rubber roller lever design provides flexible installation options, while the IP65-rated enclosure helps ensure dependable operation in demanding industrial environments.

Technical Specifications

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Device Type	Limit switch
Switching Action	Slow action
Housing Material	Metal
Connection	M20 cable entry
Weight [g]	226
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	150X060X060
Volume [cm³]	540
Bar code [EAN13]	8013975116739
Product designation	Adjustable roller lever
Product type designation	KMF
Housing	Aluminium-zinc alloy
Roller	Rubber
Type of contact	2NO+1NC Slow action
Thermal current Ith	10
IEC/EN 60947-5-1 designation	A300 Q300
Rated insulation voltage Ui [V]	440
Rated impulse withstand voltage Uimp	4
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

Frequently Asked Questions

What is the Lovato KMF4L21 used for?

The Lovato KMF4L21 is used for detecting mechanical movement and controlling automated equipment through reliable position switching.

What type of contacts does the KMF4L21 have?

The Lovato KMF4L21 features 2NO + 1NC slow-action contacts for industrial switching applications.

What actuator does the Lovato KMF4L21 use?

The Lovato KMF4L21 uses an adjustable rubber roller lever actuator with offset alignment for flexible mechanical operation.

Device Type	Limit switch
Switching Action	Slow action
Weight [g]	226
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	150X060X060
Volume [cm³]	540
Bar code [EAN13]	8013975116739
Product designation	Adjustable roller lever
Product type designation	KMF
Housing	Aluminium-zinc alloy
Roller	Rubber
Type of contact	2NO+1NC Slow action
Thermal current Ith	10
IEC/EN 60947-5-1 designation	A300 Q300
Rated insulation voltage Ui [V]	440
Rated impulse withstand voltage Uimp	4
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	Metal
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.

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Standard delivery

£8 ex VAT · free over £200

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

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Mon–Fri, 8am–5pm

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

Northern Ireland, ROI & export

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Business customer returns

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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.

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

Made-to-order items

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

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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.

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