The SICK MRA-F130-120D1 is a high-precision magnetic ring encoder designed for accurate angular position and speed measurement in rotary motion applications. This encoder features a robust design suitable for demanding industrial environments where reliable rotational feedback is required.
Technical Specifications
Parameter Specification
Article Number MRA-F130-120D1
Type Magnetic Ring Encoder
Outer Diameter 130 mm
Inner Diameter 120 mm
Thickness 10 mm
Number of Poles 32 pole pairs
Electrical Angle 360°
Accuracy ±0.3°
Max. Speed 20,000 RPM
Operating Temperature -40 °C ... +125 °C
Storage Temperature -40 °C ... +150 °C
Material Stainless Steel (1.4301)
Weight Approx. 250 g
Protection Rating IP67
Key Features
1. High Precision Measurement
32 pole pairs for accurate position detection
±0.3° angular accuracy
Suitable for high-speed applications up to 20,000 RPM
Excellent signal stability
2. Robust Construction
Stainless steel housing (1.4301)
IP67 protection rating
Corrosion and chemical resistant
Resistant to shock and vibration
3. Wide Temperature Range
Operation from -40°C to +125°C
Suitable for extreme environments
Minimal temperature drift
4. Easy Installation
Press-fit or adhesive mounting options
No additional mounting hardware required
Compatible with standard shaft sizes
Maintenance-free operation
Electrical Characteristics
Output Signal: Analog sine/cosine (1 Vpp)
Signal Period: 360° electrical angle
Number of Channels: 2 (sin/cos)
Voltage Supply: 5 V DC ±5%
Current Consumption: < 50 mA
Cable Length: 2 m (standard)
Environmental Specifications
EMC Immunity: According to IEC 61000-6-2
Vibration Resistance: 200 m/s², 10-2000 Hz
Shock Resistance: 1000 m/s², 6 ms
Humidity Resistance: 100% condensing
Application Areas
Electric Motors: Servo and brushless motors