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KBN1L21 - STRAIGHT KEY PLASTIC SAFETY SWITCH 2NO+1

KBN1L21 – STRAIGHT KEY PLASTIC SAFETY SWITCH 2NO+1

Lovato Electric KBN1L21 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.

SKU: KBN1L21MPN: KBN1L21
Price
List Price £87.55 ex VAT
Your Price (ex VAT)
£87.55
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Manufacturer Lead Time

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Lovato KBN1L21 Key Operated Safety Limit Switch

Lovato KBN1L21 Key Operated Safety Limit Switch

The Lovato Electric KBN1L21 is a K series key operated safety limit switch designed for reliable machine safety monitoring and industrial automation applications. Featuring a straight key actuator, polymer thermoplastic housing, and 2NO+1NC slow action contacts, this compact safety switch provides dependable operation for machine guards, access doors, and protective covers.

Product Overview

The Lovato KBN1L21 provides secure mechanical monitoring using a key-operated actuator system. Designed for installation on safety guards and machine access points, the switch detects opening or movement of protective barriers and provides reliable switching through its normally open and normally closed slow action contacts. The unit features a bottom M20 cable entry, IP65 protection, and dimensions compliant with EN 50047 standards.

Key Features

  • Manufacturer: Lovato Electric
  • Model: KBN1L21
  • K series key operated safety limit switch
  • Straight key actuator
  • 2NO + 1NC slow action contacts
  • Polymer thermoplastic housing
  • IP65 protection rating
  • M20 bottom cable entry
  • EN 50047 compliant dimensions
  • Suitable for machine safety and industrial automation applications

Applications

  • Machine guard monitoring
  • Safety door interlocking systems
  • Industrial automation equipment
  • Manufacturing machinery
  • Production line safety systems
  • Control and monitoring installations

Why Choose the Lovato KBN1L21?

The Lovato KBN1L21 offers a dependable safety switching solution for industrial machinery protection. Its key-operated design, 2NO+1NC slow action contact configuration, durable thermoplastic construction, and IP65 protection make it suitable for applications requiring reliable monitoring of access points and protective guards.

Technical Specifications

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] 8013975115244
Product designation Key operated
Product type designation KBN
Housing Material Polymer thermoplastic
Key shape Straight
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

Frequently Asked Questions

What type of switch is the Lovato KBN1L21?

The Lovato KBN1L21 is a key operated safety limit switch from the Lovato KBN series, designed for machine safety and position monitoring applications.

What contacts does the Lovato KBN1L21 have?

The KBN1L21 features 2 normally open (NO) and 1 normally closed (NC) slow action contacts.

What actuator does the KBN1L21 use?

The Lovato KBN1L21 uses a straight key actuator designed for monitoring machine guards, doors, and protective covers.

What is the protection rating of the Lovato KBN1L21?

The Lovato KBN1L21 has an IP65 protection rating, providing protection against dust ingress and water jets suitable for industrial environments.

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