WEG SRW01-UMC3 - CURRENT MEASUREMENT UNIT SRW01-UMC3
WEG

SRW01-UMC3

Alternate Item Number: 10558181

UPC: 7894171104130

Contact for Pricing

Overview

The **WEG SRW01-UMC3 Current Measurement Unit** is a high-performance control relay engineered for precision industrial monitoring and automation. Designed to amplify low-power control signals, this versatile unit enables reliable switching of higher power loads while ensuring electrical isolation—a critical requirement in modern industrial control systems. As part of WEG’s trusted SRW01 series, the UMC3 model delivers robust performance for applications demanding accuracy, durability, and seamless integration with PLCs, safety circuits, and automated machinery. Whether deployed in manufacturing plants, energy facilities, or process automation systems, this current measurement unit provides the foundation for efficient, responsive, and safe operational control. **Key Features and Technical Capabilities** The SRW01-UMC3 excels in applications where precise current monitoring and control are essential. Its core functionality includes signal amplification, enabling low-power control circuits to safely manage high-power loads without risk of signal degradation or interference. The unit’s electrical isolation capabilities protect sensitive control components from voltage spikes or noise, a critical feature in environments with fluctuating electrical conditions. Additionally, the relay supports logic functions, allowing for complex control sequences in automated systems—such as start/stop operations, fault detection, or emergency shutdowns. **Industry Applications and Use Cases** Professionals across multiple industries rely on the WEG SRW01-UMC3 for applications including motor control, conveyor systems, HVAC automation, and industrial machinery protection. In manufacturing, it ensures consistent operation of production lines by enabling precise current-based control of motors and actuators. Energy sectors utilize the unit for grid monitoring and load management, where accurate current measurement prevents overloads and optimizes power distribution. Process industries, such as chemical or food processing, deploy the relay in safety interlock systems to monitor equipment status and trigger shutdowns in hazardous conditions. Its compatibility with PLCs and industrial networks makes it a versatile choice for modern smart factories and Industry 4.0 initiatives. **Installation, Integration, and Compliance** The SRW01-UMC3 is designed for straightforward installation in control panels, DIN rails, or industrial enclosures. Its compact form factor and standardized mounting options simplify integration into existing systems, reducing downtime during upgrades or maintenance. WEG’s engineering ensures compliance with international industrial standards, including IEC and UL certifications, guaranteeing reliability in demanding environments. Professionals benefit from WEG’s extensive documentation, including wiring diagrams, application notes, and technical support, which streamline commissioning and troubleshooting. **Why Choose WEG for Industrial Control Relays?** WEG is a globally recognized leader in industrial automation, with decades of expertise in designing and manufacturing high-quality control components. The SRW01-UMC3 reflects the company’s commitment to innovation, durability, and performance, backed by a worldwide service network for maintenance and repairs. Engineers and system integrators trust WEG for products that deliver long-term reliability, minimizing unplanned downtime and maximizing operational efficiency. For facilities prioritizing safety, precision, and scalability, the SRW01-UMC3 is an indispensable component in any robust control architecture. **Selecting the Right Current Measurement Unit** When evaluating control relays for industrial applications, key considerations include switching capacity, response time, isolation voltage, and compatibility with existing systems. The SRW01-UMC3 addresses these needs with a robust design optimized for continuous operation in harsh conditions. Its modular architecture allows for easy expansion or reconfiguration as system requirements evolve. By choosing WEG, professionals gain access to a product that aligns with industry best practices and future-proofs their automation investments.
  • Amplifies low-power control signals for high-power load switching
  • Provides electrical isolation to protect sensitive control circuits
  • Supports logic functions for automated machine control
  • Compatible with PLCs and industrial safety circuits
  • Compact design for easy DIN rail or panel mounting

Specifications

Series
SRW01
Package Weight (Imperial)
0.473 LB
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DOS820 Digital Output Relay NO

2PAA123606R1

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Intrinsically Safe Relay; DIN Mount; Four Channel; 102-132V AC & 10-125V DC; 5A NO

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RELAY RAIL ASSY FOR PUT CASE

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145-174MD/810 125V

HHS-810

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Relay 230/50+60Hz

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4 digital MOS relay outputs - max 240VDC/VAC (0 - 5 A) - cage clamp - 10pt removable terminal

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Frequently Asked Questions about WEG

What certifications and standards do WEG products comply with?

WEG products meet extensive international standards across multiple critical categories, including safety, electromagnetic compatibility (EMC), functional safety, and regulatory compliance. Key certifications include UL, cUL, CE, TÜV Rheinland, and compliance with international standards such as EN 61800 series, IEC 61508, ISO 13849-1, and directives like Low Voltage (2014/35/EU), EMC (2014/30/EU), and RoHS. Their products are certified for safe operation in various industrial environments, with specific standards covering electrical safety, thermal performance, electromagnetic immunity, and environmental protection.

What is WEG's warranty policy?

WEG offers an 18-month standard warranty for automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Repairs must be performed by authorized WEG service, and the warranty is limited to the replacement or repair of the product itself, excluding consequential damages. Extended warranty options are available, including purchasing additional coverage at 2.5% of the product's selling price per year, up to 4 additional years.

What industries and applications are WEG products used for?

WEG products are extensively used across multiple industrial sectors, including packaging equipment, material handling, food processing, pumps, medical/lab equipment, door/gate openers, office machinery, and lawn/garden applications. Their versatile DC motors and variable frequency drives (VFDs) are designed for general industrial use, with solutions ranging from off-the-shelf products to custom OEM designs that meet UL/CSA standards for diverse manufacturing and processing environments.

What technical support does WEG offer?

WEG offers comprehensive technical support through multiple channels, including a dedicated Automation Service Department accessible via toll-free phone (1-877-934-3748) and email ([email protected]). They maintain a global network of accredited service centers worldwide, which customers can locate on their website. Additionally, WEG provides warranty support and technical assistance for their industrial automation products, with pre-approval required for warranty repairs.

What are the key features of WEG products?

WEG products feature advanced industrial automation technologies with key characteristics including high performance, flexibility, and connectivity. Their flagship CFW900 Variable Speed Drive demonstrates core product strengths: intelligent thermal management, built-in safety functions, IoT readiness, advanced energy saving capabilities, and comprehensive communication protocols. WEG drives offer robust performance with features like 150% overload capacity, modern graphic HMI, plug-and-play expansion modules, and compatibility across multiple industrial segments including food and beverage, pulp and paper, and manufacturing.

What communication protocols do WEG products support?

WEG products support multiple industrial communication protocols across their product lines, including EtherNet/IP, Modbus-TCP, Modbus-RTU, CANopen, and optional protocols like Profibus-DP and DeviceNet. Specifically, the PLC500 offers 2x Gigabit Ethernet Ports, 1x CAN Port, and 1x RS485 port, enabling seamless integration with major industrial communication networks.

What environmental ratings do WEG products have?

WEG products feature multiple environmental ratings and protection classes. They offer Protection Class 3C2 as a standard coating and Protection Class 3C3 as an optional extra coating, both compliant with IEC 60721-3-3. Environmental specifications include air relative humidity from 5% to 95% non-condensing, altitude ratings up to 1,000m standard (with current derating above that), and Pollution Degree 2 classification with non-conductive pollution requirements.

What accessories are available for WEG products?

WEG offers a comprehensive range of accessories across multiple product lines. For variable frequency drives like the CFW900, accessories include I/O expansion modules, communication modules, encoder modules, temperature transducer modules, relay output modules, and HMI accessories. These accessories expand communication capabilities, input/output functions, and application flexibility. Most accessories are interchangeable between drive frames and can be installed in backplane slots, with communication network accessories limited to one per variable speed drive.

What are the main product lines offered by WEG?

WEG offers a comprehensive range of industrial automation products, including variable frequency drives (CFW series like CFW100, CFW300, CFW500), soft starters (SSW series including SSW05, SSW07, SSW900), and the innovative Motion Fleet Management (MFM) system for predictive maintenance and asset monitoring. Their product lines are designed to support industrial automation needs across various sectors, providing solutions for motor control, fleet management, and operational efficiency.

How are WEG products typically installed?

WEG products are typically installed with careful attention to mounting specifications, protection ratings, and airflow requirements. For variable speed drives like the CFW900, installation methods include surface mounting, flange mounting, and side-by-side configurations with specific clearance guidelines. Installers must follow precise dimensional requirements for each product frame size, ensuring proper ventilation and electrical connections.