Murr Opto-coupler module, screw, 53VDC, 4A

Product Overview

The Murrelektronik AMS 20-47/4 is a high-performance optocoupler module designed for industrial control applications requiring electrical isolation between input and output circuits. This triac-based optocoupler provides reliable switching of AC loads up to 4A at 250VAC, with a low-voltage DC control input of 53VDC. The module features robust 12mm screw terminal connections and is specifically designed for control cabinet installations where galvanic isolation is essential for safety and signal integrity.

Key Features

• Triac-based optocoupler for AC load switching
• High current capacity: 4A continuous at 250VAC output
• Low-voltage DC control input: 53VDC maximum
• Galvanic isolation between input and output circuits
• Robust 12mm screw terminal connections
• Compact module design for control cabinet mounting
• Industrial-grade construction for reliable operation
• Control voltage 230V AC available on request

Technical Specifications

• Model: AMS 20-47/4 Optocoupler Module
• Article Number: 50034
• Input Voltage: 53 VDC maximum
• Output Voltage: 250 VAC maximum
• Output Current: 4A continuous
• Switching Element: Triac semiconductor
• Terminal Type: 12mm screw terminals
• Country of Origin: CZ

Electrical Characteristics

• Control Input: 53 VDC maximum
• Load Output: 250 VAC / 4A continuous
• Switching Technology: Photo-triac optocoupler
• Isolation Type: Galvanic isolation between input and output
• Switching Element: Triac for AC load control
• Connection Method: Screw terminals for secure wiring
• LED Indication: Status indication for operational diagnostics

Switching Performance

• Switching Current: 4A continuous at 250VAC
• Switching Voltage: Up to 250VAC AC loads
• Control Voltage: 53VDC maximum input
• Switching Technology: Photo-triac activation
• Load Type: AC resistive and inductive loads
• Isolation Rating: High-voltage isolation between circuits

Connection Specifications

• Terminal Type: 12mm screw terminals
• Input Connection: DC control voltage connection
• Output Connection: AC load switching connection
• Wire Gauge: Suitable for industrial control wiring
• Terminal Security: Screw-type clamping for reliable connections
• Installation: Control cabinet panel mounting

Environmental Specifications

• Operating Environment: Industrial control cabinet conditions
• Protection Rating: Industrial-grade environmental protection
• Temperature Range: Standard industrial operating temperatures
• Installation Location: Control cabinet and panel applications
• Mounting: Standard industrial module mounting

Standards and Compliance

• Industrial Standards: Designed for industrial automation applications
• Safety Standards: Galvanic isolation for electrical safety
• Quality Standards: Murrelektronik industrial quality and reliability
• Electrical Standards: Optocoupler and switching device standards
• Environmental Standards: Industrial environmental protection ratings
• Connection Standards: Industrial screw terminal specifications

Applications

• AC motor control and switching applications
• Industrial lighting control systems
• Heating element control and regulation
• Process control valve and actuator switching
• Safety circuit isolation and control
• PLC output expansion and isolation

Isolation Benefits

• Galvanic Isolation: Complete electrical separation between control and load circuits
• Safety Protection: Prevents high-voltage feedback to control circuits
• Signal Integrity: Eliminates ground loops and electrical interference
• System Protection: Protects sensitive control electronics from load-side disturbances
• Voltage Level Translation: Enables low-voltage control of high-voltage AC loads

Installation Features

• Modular Design: Compact module for efficient control cabinet installation
• Screw Terminals: 12mm terminals for secure and reliable connections
• Panel Mounting: Standard industrial mounting configuration
• Easy Wiring: Clear terminal identification for straightforward installation
• Diagnostic LEDs: Visual indication for operational status monitoring

Benefits

• Enables safe low-voltage DC control of high-power AC loads up to 4A
• Provides complete galvanic isolation for enhanced system safety and signal integrity
• Offers robust triac switching technology for reliable AC load control applications
• Supports industrial automation with secure 12mm screw terminal connections
• Ensures reliable operation in demanding industrial control cabinet environments
• Simplifies system design with integrated optocoupler and switching functionality

Download existing graphical data for this product:

• Product Specification Sheet