Product Overview

Output coupler relay coupler, 1 CO, 24 V DC operating range 0.7...1.25 x Us enclosure width 6.2 mm spring-loaded terminal (push-in) thermal current 6A (see derating characteristic curve)

This ultra-compact coupling relay (Article Number: 3RQ3018-2AM08-0AA0) from the SIRIUS 3RQ3 series provides reliable signal coupling and isolation in space-critical applications with enhanced voltage tolerance. The device features one changeover contact operating on 24 V DC with a wide operating range of 0.7...1.25 x Us and an exceptionally narrow enclosure width of just 6.2 mm. With a thermal current rating of 6A and spring-loaded push-in terminals, this output coupler offers maximum functionality and installation convenience with superior voltage flexibility in minimal space for demanding industrial control applications.

Key Features

• Ultra-narrow design with only 6.2 mm enclosure width
• Output coupler functionality for signal isolation and coupling
• 1 changeover contact (CO) for flexible switching applications
• 24 V DC operation with wide operating range 0.7...1.25 x Us
• Extended voltage tolerance accommodating supply variations
• Spring-loaded terminals (push-in) for quick and secure connections
• 6A thermal current rating for reliable switching capacity
• Tool-free wiring with push-in terminal technology
• Compact footprint maximizing panel space efficiency
• Space-saving installation ideal for dense control panels

Technical Specifications

• Net Weight: 0.033 kg
• Packaging Dimensions: 70.00 x 95.00 x 7.00 mm
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Tunisia
• Supply Voltage: 24 V DC
• Operating Range: 0.7...1.25 x Us
• Contact Configuration: 1 changeover contact (CO)
• Enclosure Width: 6.2 mm
• Thermal Current: 6A (see derating characteristic curve)
• Terminal Type: Spring-loaded terminals (push-in)

Applications

• Signal isolation in industrial control systems with variable DC supply
• Interface coupling between control circuits with voltage variations
• Signal amplification in automation systems
• Logic signal processing in control panels
• Safety circuit isolation in machine control
• PLC input/output coupling for signal conditioning
• Process control systems requiring signal isolation with voltage tolerance
• Compact control panels with space constraints
• Battery-powered systems with varying supply voltages

Installation Benefits

• Space-critical applications with maximum density requirements
• Narrow panel spacing allowing more devices per unit area
• Tool-free connections with push-in terminal design
• Fast installation reducing wiring time and labor costs
• Secure connections with spring-loaded terminal technology
• Reliable operation in demanding industrial environments
• Easy installation with standard DIN rail mounting
• Professional appearance maintaining system aesthetics
• Minimal wiring space requirements

Extended Operating Range Advantages

• Voltage tolerance accommodating supply variations from 0.7 to 1.25 x Us
• Robust operation with fluctuating DC supply voltages
• Reduced sensitivity to voltage drops in supply lines
• Enhanced reliability in systems with varying power conditions
• Flexible installation in applications with non-standard voltages
• Battery system compatibility with declining voltage levels
• Improved system stability under varying load conditions

Spring-Loaded Terminal Advantages

• Tool-free wiring for quick and easy connections
• Secure clamping ensuring reliable electrical contact
• Vibration resistance maintaining connection integrity
• Easy wire insertion with push-in technology
• Quick troubleshooting with easy wire removal
• Reduced installation time compared to screw terminals
• Consistent connection quality independent of installer skill
• Enhanced productivity in panel wiring operations

Coupling Relay Advantages

• Electrical isolation between input and output circuits
• Signal conditioning for proper interface levels
• Load protection preventing damage to control circuits
• Noise immunity improving system reliability
• Voltage level adaptation for different circuit requirements
• Enhanced system safety through galvanic isolation

Compatibility

• 24 V DC control systems with varying supply voltages
• Industrial control panels with dense mounting requirements
• PLC systems requiring signal isolation
• Safety control circuits needing galvanic isolation
• Standard DIN rail mounting systems
• Control cabinet installations with space limitations
• Battery-powered applications with voltage variations

Product Classifications

• Product Lifecycle: PM300 Active Product
• eClass: 27-37-16-01 (versions 6-14)
• ETIM: EC001437 (versions 7, 8 & 9)
• UNSPSC: 39-12-23-31

Compliance & Certifications

• Export Control: AL: N / ECCN: N
• RoHS Compliance: Since 25.03.2015
• WEEE Take-Back Obligation: Yes

REACH Compliance

This product complies with REACH regulation requirements. Currently, there is no information on SVHC (Substances of Very High Concern) from the supply chain. The product is regularly compared with upstream user information regarding substances indicated in the candidate list in accordance with REACH regulation requirements.

Download existing graphical data for this product:

For technical documentation and CAD files, please visit:

• Official Product Datasheet (PDF)
• Siemens Industry Mall Product Page
• SIRIUS 3RQ3 Coupling Relays Product Family
• Siemens PARTcommunity for 3D CAD Models
• Siemens Technical Support Center for technical documentation requests