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Keylock Switches

Image Part Number Description / PDF Quantity Rfq
1-1437597-7

1-1437597-7

Waldom Electronics

2SWK131AL101=NON UL KEYLOCK SW

38
1437598-9

1437598-9

Waldom Electronics

SKT331AEL01=SKT-33-1 AEL101

89
1-1437597-1

1-1437597-1

Waldom Electronics

2SKF231AEL01=NON UL KEYLOCK

61

Keylock Switches

1. Overview

Keylock switches are electro-mechanical control devices requiring a physical key for operation. They serve as critical safety components in systems requiring authorized access control. These switches prevent unauthorized operation in industrial machinery, power systems, and security equipment, playing a vital role in modern safety protocols and equipment management systems.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Mechanical KeylockPhysical key actuation, mechanical contactsIndustrial equipment start/stop controls
Electronic KeylockKeycode verification, programmable accessData center server racks
Smart KeylockRFID/NFC integration, remote monitoringSmart building automation systems

3. Structure and Components

Typical construction includes:

  • Actuator mechanism with key slot
  • Multi-position rotary switch contacts
  • Die-cast zinc or polymer housing
  • Electrical terminals (screw/clamp type)
  • Anti-tamper mechanical detents

Advanced models incorporate PCB-based electronic verification modules with LED status indicators.

4. Key Technical Specifications

ParameterTypical ValuesImportance
Rated Current1-10ADetermines load capacity
Operating Voltage12-480VAC/DCSystem compatibility
Mechanical Life50,000-200,000 cyclesDurability indicator
IP RatingIP40-IP67Environmental protection
Key Differentiation100-10,000 combinationsSecurity level

5. Application Fields

  • Industrial control systems (CNC machines, robotics)
  • Power distribution equipment (switchgear, transformers)
  • Transportation (vehicle ignition systems, railway controls)
  • Medical equipment (MRI machines, sterilization units)
  • Security systems (alarm panels, access control)

Case Study: Automotive manufacturing plants use IP67-rated keylock switches for robotic arm controls, requiring both safety and washdown resistance.

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
Siemens3SE5 SeriesModular design, 1000+ key combinations
OmronTL-N SeriesMicro-switch technology, vibration resistance
Schneider ElectricXKCS SeriesProgrammable electronic locking

7. Selection Recommendations

  • Assess environmental conditions (temperature, moisture, vibration)
  • Calculate electrical load requirements
  • Determine security level needs (mechanical vs electronic)
  • Verify mounting compatibility (panel cutout dimensions)
  • Evaluate key management system requirements

8. Industry Trends

Current developments include:

  • Integration with IoT systems for remote access monitoring
  • Nanocoating for enhanced corrosion resistance
  • Miniaturization while maintaining IP67 ratings
  • Adoption of wireless key authentication protocols
  • Standardization under ISO 14119 safety regulations
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