Specifications
Parameter Specification
Product Type Coded Magnetic Safety Switch
Model SRS50-HFA0-K21
Actuation Principle Non-contact, coded magnetic
Safety Ratings SIL 3 (IEC 61508), PL e (ISO 13849-1), Category 4
Supply Voltage 10...30 VDC
Output Type 2 OSSDs (Output Signal Switching Devices)
Contact Configuration Normally closed (NC) via safety outputs
Operating Force 0 N (Non-contact)
Protection Rating IP67 (Dust and waterproof)
Housing Material Plastic (PA) with metal actuator interface
Operating Temperature -30°C to +75°C
Mechanical Life > 1 million operations (non-contact)
Electrical Characteristics
Current Consumption: ≤ 50 mA

Output Current: 0.5 A per OSSD

Response Time: ≤ 20 ms

Connection: M12 plug connector (5-pin)

Mechanical Characteristics
Actuator Compatibility: Coded magnetic actuator (e.g., AK52 series)

Switching Distance: Up to 50 mm (aligned)

Mounting: Flush mounting (tamper-resistant design)

Alignment Tolerance: ±5 mm (axial and lateral)

Key Features
Tamper Resistance: Unique magnetic coding prevents bypassing with standard magnets.

Non-Contact Operation: Eliminates mechanical wear for long service life.

High Safety Integrity: Complies with SIL 3, PL e, and Category 4 standards.

LED Diagnostics: Dual LEDs for status indication (power, safety state, faults).

Easy Integration: M12 connector for quick installation and replacement.

Applications
Guard door monitoring on presses, robots, and automated machinery.

Safety interlocking for access gates and enclosures.

Packaging, automotive, and material handling systems.

Applications requiring Category 4 / PL e safety performance.