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SRM50-HFA0-K21

The SICK SRM50-HFA0-K21 is a Safety Remote Control designed for non-contact muting and bypassing of safety functions (e.g., safety light curtains) in automated industrial applications. It enables temporary, safe suspension of safety protections to allow material flow without compromising overall system safety. This model is commonly used in conveyor systems, packaging lines, and material handling where objects need to pass through a safeguarded area without triggering a machine stop.

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Key Parameters & Technical Specifications
Parameter Specification Details
Product Type Safety Remote Control (Muting Sensor) For non-contact muting of safety functions.
Function Muting / Bypassing Temporarily disables safety protections for object passage.
Sensing Principle RFID Uses radio frequency identification for secure activation.
Safety Standards IEC 62061, ISO 13849-1 Complies with functional safety standards.
Safety Level SIL 3, PL e High safety integrity for risk reduction.
Operating Range Up to 70 mm (between reader and tag) Effective read distance for muting activation.
Power Supply 24 V DC (18-32 V DC) Standard industrial voltage.
Outputs 2 OSSDs (Output Signal Switching Devices) Safety-rated outputs for muting signals.
Additional Outputs 2 semiconductor outputs For non-safety functions (e.g., status indicators).
Connection M12 8-pin connector For power and signal integration.
Response Time < 15 ms Fast reaction for real-time muting control.
Housing Material PBT plastic Durable and resistant to industrial environments.
IP Rating IP67 Protected against dust and temporary immersion.
Ambient Temperature -25°C to +55°C Suitable for harsh conditions.
Mounting Bracket or direct mounting Flexible installation options.
Typical Applications
Conveyor Systems: Muting safety light curtains during pallet or box passage.

Packaging Machinery: Allowing material flow through guarded zones.

Automated Assembly Lines: Temporarily bypassing protections for part transfer.

Robotic Cells: Safe muting for workpiece handling.