The SICK ISD400-1121 is a high-security safety door switch designed for machine guarding applications. This coded magnetic switch provides positive-guided contacts to ensure safe operation of machinery when doors or guards are opened.
Key Features & Technical Specifications
1. Safety Performance
Safety Category: 4 (EN ISO 13849-1)
Performance Level: PL e
Contact Configuration: 2 N/O + 2 N/C
Actuating Distance: 25mm max
Switching Current: 6A (AC-15)
2. Robust Construction
Housing Material: Plastic (PA6)
Protection Rating: IP67
Operating Temperature: -25°C to +70°C
Mechanical Life: >1,000,000 operations
3. Security Features
Coded magnetic actuation (prevents defeat)
Positive-guided contacts (EN 60947-5-1)
Integrated locking indicator
Anti-tamper design
Technical Data Summary
Parameter Specification
Safety Standard EN ISO 13849-1 Cat. 4
Performance Level PL e
Contact Rating 6A, 250V AC
Actuating Principle Coded magnetic
Protection Class IP67
Connection Type Screw terminals
Typical Applications
✔ Machine Tool Protection
CNC machine guards
Press brake safety doors
✔ Industrial Automation
Robotic cell access points
Assembly line guards
✔ Packaging Machinery
Wrapping machine doors
Palletizer access panels
✔ Specialized Equipment
Test chamber doors
Hazardous area enclosures
Competitive Advantages
✅ High security coding prevents tampering
✅ Positive-guided contacts ensure safe disconnection
✅ Durable construction for industrial environments
✅ Visual status indication for easy monitoring
✅ Flexible mounting options