Keylock Switches

Part Number	Description / PDF	Quantity
3.99400.1424000 RAFI	RG 85 III KEY SWITCH SQUARE YL 9	0
3.99400.1327000 RAFI	RG 85 III KEY SWITCH 1NC+1NO SQU	0
3.99400.1416000 RAFI	RG 85 III KEY SWITCH ROUND BL 90	0
1.10118.6120000 RAFI	KEYLOCK SWITCH 90	0
1.15108.6720100 RAFI	KEYLOCK SWITCH	0
3.99400.1413000 RAFI	RG 85 III KEY SWITCH ROUND RD 90	0
3.99400.1315000 RAFI	RG 85 III KEY SWITCH 1NC+1NO ROU	0
1.10118.7130000 RAFI	KEYLOCK SWITCH 2X90	0
3.13009.1010000 RAFI	EUROLOCKS KEYLOCK SWITCH IP54 2X	0
1.15108.9120000 RAFI	LUMOTAST 75 IP40 KEYLOCK SWITCH	0
1.30145.0160000 RAFI	KEYLOCK SWITCH LATCHING	0
3.99400.1418000 RAFI	RG 85 III KEY SWITCH ROUND GN RT	0
3.13026.5410000 RAFI	MICROMEC KEYLOCK SWITCH IP54 40	0
1.30145.3190000 RAFI	KEYLOCK SWITCH LATCHING	0
1.10118.8150000 RAFI	KEYLOCK SWITCH 4X90	0
3.99400.1313000 RAFI	RG 85 III KEY SWITCH 1NC+1NO ROU	0
3.13009.2310000 RAFI	EUROLOCKS KEYLOCK SWITCH IP54 3X	0
3.99100.3670000 RAFI	KEYLOCK SWITCH YELLOW/GREEN LED	0
1.10.051.006/0001 RAFI	RAMO 22 K M12 1X90/1X40 LATCHING	6
3.13026.0360000 RAFI	MICROMEC KEYLOCK SWITCH IP54 4X9	0

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

Type	Functional Features	Application Examples
Mechanical Keylock	Physical key actuation, mechanical contacts	Industrial equipment start/stop controls
Electronic Keylock	Keycode verification, programmable access	Data center server racks
Smart Keylock	RFID/NFC integration, remote monitoring	Smart 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

Parameter	Typical Values	Importance
Rated Current	1-10A	Determines load capacity
Operating Voltage	12-480VAC/DC	System compatibility
Mechanical Life	50,000-200,000 cycles	Durability indicator
IP Rating	IP40-IP67	Environmental protection
Key Differentiation	100-10,000 combinations	Security 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

Manufacturer	Product Series	Key Features
Siemens	3SE5 Series	Modular design, 1000+ key combinations
Omron	TL-N Series	Micro-switch technology, vibration resistance
Schneider Electric	XKCS Series	Programmable 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