Leuze Electronic MLD530-RT3M Transceiver | Safety Light Beam System

Leuze MLD530-RT3M Multiple Light Beam Safety Device

The Leuze MLD530-RT3M from the MLD 500 Series is a high-performance Type 4 safety transceiver designed for advanced industrial automation. It provides reliable protection, fast response, and integrated muting functions for conveyor systems, robotic cells, and hazardous access areas.

Key Product Highlights

• Manufacturer: Leuze Electronic
• Model: MLD530-RT3M
• Series: MLD 500
• Device Type: Transceiver
• Special Design: Integrated muting and status indicators
• Operating Range: 0.5–6 m (extendable to 8 m with MLD-XM03)
• Light Source: Infrared LED, 850 nm
• Safety Level: Type 4, SIL 3, PL e, Category 4
• Protection Class: IP 67 – suitable for harsh environments

Functional Advantages

• Built-in muting enable and timeout extension functions
• Supports two-sensor muting with timing or sequence control
• Integrated start/restart interlock (RES) for safe reactivation
• Selectable contactor monitoring (EDM) via wiring configuration
• Simple wiring configuration – no software setup required

Technical Specifications

• Brand: Leuze Electronic
• Model: MLD530-RT3M
• Compliance: IEC/EN 61496, IEC 61508, EN ISO 13849-1
• Performance Level (PL): e
• SIL / SILCL: 3
• MTTFd: 204 years
• Mission Time (TM): 20 years
• PFHD: 6.6 × 10⁻⁹ per hour
• Supply Voltage: 24 V DC (±20%)
• Current Consumption: ≤150 mA
• Response Time: 50 ms
• Restart Delay: 100 ms
• Number of Beams: 3 pcs, 400 mm spacing
• Signal: Pulsed infrared LED (Exempt group EN 62471:2008)
• Connections: 2 × M12 metal connectors (8-pin + 5-pin)
• Outputs: 2 × OSSD PNP (380 mA max), 1 × digital output
• Inputs: 4 × digital control inputs (24 V DC)
• Housing: Aluminum body, die-cast zinc end caps
• Lens Cover: PMMA plastic
• Color: Yellow RAL 1021
• Weight: 2,000 g
• Mounting: Groove mounting or swivel bracket
• Operating Temp.: –30 to +55 °C
• Storage Temp.: –40 to +75 °C
• Humidity (non-condensing): 0–95 %

Installation & Mounting Guide

• Align emitter and receiver optics before applying power.
• Use Leuze swivel mounts or direct groove slots for installation.
• Apply shielded 24 V DC cabling up to 100 m with ≤200 Ω resistance.
• Connect muting sensors and EDM loops per wiring diagram.
• Avoid strong sunlight or reflective surfaces in beam direction.

Package Contents

• 1 × Leuze MLD530-RT3M transceiver unit
• 1 × Installation and user manual
• Mounting hardware and accessories
• Protective end caps and alignment tools
• Global shipping available via FedEx, UPS, and DHL

FAQ

• Q1: Why is MLD530-RT3M suitable for safety-critical zones?
  A1: Its Type 4 SIL3 PL e protection ensures operator and system safety in hazardous environments.
• Q2: Can it perform muting for conveyors?
  A2: Yes, it supports timing-controlled and sequence-controlled muting for material handling.
• Q3: What is the typical detection range?
  A3: Standard range 0.5–6 m, extendable up to 8 m using MLD-XM03.
• Q4: How can I check device status?
  A4: The unit includes integrated LED indicators for muting and status signals.
• Q5: How often should I maintain the device?
  A5: Check optical alignment and clean lens covers quarterly for best performance.

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