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🔦 Autonics BEN5M-MFR – Universal AC/DC Retroreflective Photoelectric Sensor with Relay Output

Achieve reliable object detection across diverse automation environments with the Autonics BEN5M-MFR, a compact retroreflective photoelectric sensor designed for universal AC/DC operation. With a built-in amplifier, selectable Light ON/Dark ON modes, and a 5-meter sensing range, this sensor is ideal for packaging, conveyors, and industrial machinery.

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✅ Key Features & Technical Specifications

• Model: BEN5M-MFR
• Part Number: 280867
• Sensing Type: Retroreflective (standard type)
• Sensing Distance: Up to 5 m (with MS-2 reflector)
• Sensing Target: Opaque objects ≥ Ø60 mm
• Light Source: Infrared LED (940 nm)
• Response Time: ≤ 20 ms
• Operation Modes: Light ON / Dark ON (selectable via switch)
• Control Output: Relay contact (1c)
  • 250 VAC / 3 A resistive load
  • 30 VDC / 3 A resistive load
• Power Supply:
  • 24–240 VAC ±10% (50/60 Hz)
  • 24–240 VDC ±10% (ripple P-P ≤ 10%)
• Current Consumption: Max 4 VA
• Connection Type: Cable (Ø5 mm, 2 m length)
• Indicators:
  • Red LED: Operation
  • Green LED: Stability
• Sensitivity Adjustment: Manual dial
• Ambient Light Immunity:
  • Sunlight: ≤ 11,000 lx
  • Incandescent: ≤ 3,000 lx
• Operating Temperature: –20°C to +65°C
• Storage Temperature: –25°C to +70°C
• Humidity Range: 35–85% RH (non-condensing)
• Protection Class: IP50
• Housing Material:
  • Body: Heat-resistant ABS
  • Sensing Part: Polycarbonate with polarizing filter
• Weight: ~208 g (including packaging)
• Mounting Accessories: MS-2 reflector, bracket, bolts, nuts, adjuster driver
• Certifications: CE compliant
• Lifecycle Status: Active

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🔁 Related Models in the BEN Series

Model Code	Sensing Type	Output Type	Voltage Range	Notes
BEN5M-TFR	Through-beam	Relay	24–240 VAC/DC	Requires separate emitter/receiver
BEN5M-DTFR	Diffuse reflective	Relay	24–240 VAC/DC	For short-range detection
BEN5M-MDT	Retroreflective	NPN/PNP	12–24 VDC	DC-only version with transistor output
BEN5M-MFR-LED	Retroreflective	Relay	24–240 VAC/DC	With enhanced LED indicators

All models share the same rectangular housing and mounting footprint, with variations in sensing principle and output type.

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📦 Why Choose Autonics BEN5M-MFR?

• Universal AC/DC compatibility for flexible deployment
• Built-in amplifier simplifies wiring and installation
• Selectable operation modes for diverse control logic
• Reliable detection of opaque objects up to 5 meters
• Compact design with LED indicators for quick diagnostics

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