WEG WPC73UD12C900TF - NH gL/gG FUSE UF 900A PC73UD12C900TF
WEG

WPC73UD12C900TF

UPC: 7909322648910

Contact for Pricing

Overview

The WEG WPC73UD12C900TF (SKU: WPC73UD12C900TF) is a high-current NH gL/gG fuse designed for 3-phase AC motor control applications requiring precise protection and reliability. Rated at 900A with a maximum operating voltage of 1000V (IEC), this fuse delivers a pre-arcing I²t of 250 kA²s and total clearing I²t of 1440 kA²s at rated voltage, ensuring robust fault current interruption up to 167 kA. With a power dissipation of 170W at rated current, it maintains thermal stability in demanding industrial environments. Engineered for compatibility with WEG’s PC73UD series, the WPC73UD12C900TF is ideal for protecting variable frequency drives (VFDs), motors, and other high-power equipment in applications such as pumps, fans, conveyors, and HVAC systems. Its NH-style blade design allows for quick installation in standard fuse holders, reducing downtime during maintenance. The fuse’s high breaking capacity and low power loss contribute to energy efficiency and extended equipment lifespan by minimizing thermal stress and electrical faults. Backed by WEG’s reputation for industrial-grade reliability, this fuse meets stringent IEC standards for semiconductor and motor protection, making it a trusted choice for OEMs and system integrators. The 1.11 kg unit is compact yet robust, with a body size 73 design optimized for high-current applications.
  • 900A rated current with 1000V maximum operating voltage (IEC)
  • Pre-arcing I²t: 250 kA²s, Total clearing I²t: 1440 kA²s at rated voltage
  • High breaking capacity of 167 kA for reliable fault protection
  • Power dissipation: 170W at rated current for thermal stability
  • NH-style blade design for compatibility with standard fuse holders
  • Compact body size 73 (1.11 kg) for high-current industrial applications

Specifications

Package Weight (Imperial)
2.2220000000000004 LB
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BRAIDED CONDUCTOR Cu 250A 250 mm

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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.