Turck GmbH MS24-112-R S71 Safety Barrier Relay

Description:

The TURCK Multi-Safe MS24-112-R S71 Safety Barrier Relay is used in hazardous area rotational speed monitoring systems for detecting overspeed and under speed conditions on rotating equipment and machinery. Commonly installed in pumps, conveyors, mixers, compressors, turbines, and process equipment operating in classified industrial environments requiring intrinsically safe monitoring. Maintenance teams and system integrators use this part for replacement, retrofit, machine protection upgrades, and hazardous area monitoring applications. 

Applications:

The TURCK Multi-Safe MS24-112-R S71 Safety Barrier Relay is commonly used in refinery process controls, chemical processing systems, conveyor monitoring applications, pump protection systems, turbine supervision systems, and PLC or DCS control panels that require rotational speed monitoring, overspeed protection, under speed detection, and intrinsically safe hazardous area signal processing.

Technical Specifications:

• Manufacturer: TURCK
• Model / Part number: MS24-112-R S71
• Ident number: 0518003
• Product type: Safety Barrier Relay / Rotational Speed Monitor
• Product series: Multi-Safe Series
• Number of channels: 1-channel
• Supply voltage: 110 VAC nominal
• Operating voltage range: 20-250 VAC/VDC universal supply
• Frequency: 40-70 Hz
• Monitoring function: Overspeed and under speed detection
• Speed range: 1.5 to 3000 RPM
• Measuring ranges: 3 selectable ranges
• Input type: NAMUR sensors, 3-wire PNP sensors, or external pulse sources
• NAMUR input voltage: 8.2 VDC
• NAMUR input current: 8.2 mA
• Maximum input frequency: 60,000 pulses/minute
• Relay output: 1 SPDT changeover relay contact
• Start-up delay: Adjustable from 0.1 to 30 seconds
• Isolation: Complete galvanic isolation between input, output, and supply
• Electrical connection: 2 × 8-pin removable terminal blocks
• Mounting: DIN rail mount
• Protection rating: IP20
• Weight: 237 g
• Application environment: Industrial hazardous area and process control systems

Common Replacements:

• TURCK MS21-12EX0-R Speed Monitor
• TURCK MK21-12EX0-R Rotation Speed Monitor
• TURCK MS27-R Zero Speed Monitor