Lovato Electric KBN4L03 electrical installation component for professional commercial and industrial assemblies, suitable for maintenance, replacement and panel building applications.
£86.11
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.
| 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 |
| 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 |
The Lovato KBN4L03 is used as a key-operated safety limit switch for machine guards, protective doors and industrial safety interlock applications.
The KBN4L03 features three normally closed (3NC) slow-action contacts for safety switching circuits.
The KBN4L03 uses an angled "T" key actuator designed for key-operated safety switching.
The KBN4L03 uses an M20 bottom cable entry with self-releasing screw terminal connection.
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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.
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...
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...