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KBN4L03 – “””ANGLED “”””T”””” KEY PLASTIC SAFETY SWITCH”
Lovato Electric KBN4L03 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.
£51.67
Lovato KBN4L03 Angled T Key Plastic Safety Switch 3NC
The Lovato Electric KBN4L03 is a professional key-operated safety limit switch from the K series, designed for dependable machine safety, industrial automation and protective guarding applications. Featuring an angled "T" key actuator, polymer thermoplastic housing and 3NC slow-action contacts, the KBN4L03 provides reliable switching performance for safety interlock circuits, machine guards and industrial control systems.
Manufactured to EN 50047 dimensional standards, the KBN4L03 features a bottom M20 cable entry, forced opening capability and self-releasing screw terminals. Its compact plastic body construction provides a practical solution for monitoring machine doors, access points and safety guards in industrial environments.
Why Choose the Lovato Electric KBN4L03?
- Genuine Lovato Electric component: Designed for reliable industrial safety and automation applications.
- Key-operated safety design: Suitable for machine doors, guards and access point monitoring.
- 3NC slow-action contacts: Provides reliable normally closed safety switching performance.
- Durable thermoplastic housing: Designed for demanding industrial environments.
- Easy installation: EN 50047 compliant dimensions with M20 bottom cable entry.
Product Specifications
| Manufacturer | Lovato Electric |
|---|---|
| Product Code | KBN4L03 |
| Product Type | Safety Limit Switch |
| Series | KBN |
| Actuator Type | Angled "T" Key |
| Contact Configuration | 3NC Slow Action |
| Housing Material | Polymer Thermoplastic |
| Cable Entry | M20 Bottom Entry |
| Cable Connection | Self-releasing screw terminal |
| Thermal Current Ith | 10A |
| Rated Insulation Voltage Ui | 690V |
| Rated Impulse Withstand Voltage Uimp | 6kV |
| IEC/EN 60947-5-1 Designation | A600 Q600 |
| Insulation Class | Class II |
| Mechanical Life | 100,000 cycles |
| B10d | 100,000 cycles |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Protection Rating | IP65 |
| Weight | 96g |
| EAN | 8013975115367 |
Applications
- Machine guard safety monitoring
- Industrial automation equipment
- Safety interlock circuits
- Manufacturing machinery protection
- Industrial control panels
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] | 8013975115367 | |
| Product designation | Key operated | |
| Product type designation | KBN | |
| Housing Material | Polymer thermoplastic | |
| Key shape | Angled "T" | |
| Type of contact | 3NC 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 KBN4L03 used for?
The Lovato KBN4L03 is used as a key-operated safety limit switch for machine guards, protective doors and industrial safety interlock applications.
What contact arrangement does the KBN4L03 have?
The KBN4L03 features three normally closed (3NC) slow-action contacts for safety switching circuits.
What type of actuator does the KBN4L03 use?
The KBN4L03 uses an angled "T" key actuator designed for key-operated safety switching.
What cable connection does the KBN4L03 support?
The KBN4L03 uses an M20 bottom cable entry with self-releasing screw terminal connection.
