KBN2L21 – ANGLED KEY PLASTIC SAFETY SWITCH 2NO+1NC

Q: What is the Lovato KBN2L21 used for?

The Lovato KBN2L21 is used as a key-operated safety limit switch for machine guarding, safety interlocks and industrial automation applications.

Q: What contact arrangement does the KBN2L21 have?

The KBN2L21 features a 2NO + 1NC slow-action contact configuration for flexible safety and control circuit designs.

Q: What type of actuator does the Lovato KBN2L21 use?

The KBN2L21 uses an angled key actuator designed for key-operated safety switching applications.

Q: What cable connection does the KBN2L21 support?

The switch uses an M20 bottom cable entry with self-releasing screw terminal connection.

Lovato Electric KBN2L21 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.

SKU: KBN2L21MPN: KBN2L21

List Price £87.55 ex VAT

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£52.53 40% OFF

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Lovato KBN2L21 Angled Key Plastic Safety Switch 2NO+1NC

The Lovato Electric KBN2L21 is a professional key-operated safety limit switch from the K series, designed for reliable machine safety and industrial automation applications. Featuring an angled key actuator, polymer thermoplastic housing and a 2NO+1NC slow-action contact configuration, the KBN2L21 provides dependable switching for safety interlocks, machine guards and industrial control systems.

Manufactured to EN 50047 dimensions, this Lovato safety switch incorporates a bottom M20 cable entry, forced opening capability and robust construction suitable for demanding industrial environments. The compact plastic body design enables easy integration into automation panels and machinery safety circuits while maintaining reliable long-term operation.

Why Choose the Lovato Electric KBN2L21?

Genuine Lovato Electric quality: Designed for dependable industrial safety and control applications.
Safety interlock operation: Key-operated design suitable for monitoring machine doors and guards.
Flexible contact arrangement: Includes 2 normally open and 1 normally closed slow-action contacts.
Durable thermoplastic housing: Provides reliable protection for industrial installations.
Easy installation: EN 50047 compliant dimensions with M20 bottom cable entry.

Product Specifications

Manufacturer	Lovato Electric
Product Code	KBN2L21
Product Type	Safety Limit Switch
Series	KBN
Actuator Type	Key operated angled key
Contact Configuration	2NO + 1NC Slow Action
Housing Material	Polymer thermoplastic
Cable Entry	M20 bottom entry
Thermal Current Ith	10A
Rated Insulation Voltage Ui	690V
Rated Impulse Withstand Voltage Uimp	6kV
Insulation Class	Class II
Mechanical Life	100,000 cycles
Operating Temperature	-25°C to +70°C
Protection Rating	IP65
Weight	95g
EAN	8013975115299

Applications

Machine guard safety monitoring
Industrial automation systems
Safety control circuits
Manufacturing machinery protection
Electrical control panels and assemblies

Technical Specifications

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Device Type	Limit switch
Switching Action	Slow action
Housing Material	Plastic
Connection	M20 cable entry
Weight [g]	96
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	100X044X032
Volume [cm³]	140.8
Bar code [EAN13]	8013975115299
Product designation	Key operated
Product type designation	KBN
Housing Material	Polymer thermoplastic
Key shape	Angled
Type of contact	2NO+1NC Slow action
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
Mechanical life	100000
B10d	100000
Mechanical operation	3600
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
Pollution degree	3
min [°C]	-40
max [°C]	+70
ETIM 8.0	EC000030 - End switch
HS Code	85365080

Frequently Asked Questions

What is the Lovato KBN2L21 used for?

The Lovato KBN2L21 is used as a key-operated safety limit switch for machine guarding, safety interlocks and industrial automation applications.

What contact arrangement does the KBN2L21 have?

The KBN2L21 features a 2NO + 1NC slow-action contact configuration for flexible safety and control circuit designs.

What type of actuator does the Lovato KBN2L21 use?

The KBN2L21 uses an angled key actuator designed for key-operated safety switching applications.

What cable connection does the KBN2L21 support?

The switch uses an M20 bottom cable entry with self-releasing screw terminal connection.

Device Type	Limit switch
Switching Action	Slow action
Weight [g]	96
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	100X044X032
Volume [cm³]	140.8
Bar code [EAN13]	8013975115299
Product designation	Key operated
Product type designation	KBN
Housing Material	Polymer thermoplastic
Key shape	Angled
Type of contact	2NO+1NC Slow action
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
Mechanical life	100000
B10d	100000
Mechanical operation	3600
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
Pollution degree	3
min [°C]	-40
max [°C]	+70
ETIM 8.0	EC000030 - End switch
HS Code	85365080
Housing Material	Plastic
Connection	M20 cable entry

UK delivery

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