WEG DFO1.142-4DB - POWER SUPPLY BOARD DFO1A.142-4 DB
WEG

DFO1.142-4DB

UPC: 7890355371749

Contact for Pricing

Overview

The **WEG DFO1A.142-4DB Power Supply Board** (SKU: DFO1.142-4DB) is a high-performance industrial-grade power management solution engineered for precision, reliability, and long-term durability in critical applications. Designed as part of WEG’s esteemed DFO1A series, this board delivers stable, efficient power distribution to automation systems, control panels, and industrial machinery, ensuring uninterrupted operation in even the most demanding environments. With a reputation built on decades of innovation in power electronics, WEG has established itself as a trusted partner for industrial power solutions worldwide, and the DFO1A.142-4DB exemplifies this commitment to excellence. This power supply board is specifically engineered to meet the rigorous demands of modern industrial applications, where power quality and system stability are non-negotiable. Whether deployed in manufacturing plants, process control systems, or automated production lines, the DFO1A.142-4DB provides consistent voltage regulation, surge protection, and thermal management to safeguard sensitive components against power fluctuations and electrical noise. Its robust construction is optimized for harsh operating conditions, including extreme temperatures, humidity, and vibration, making it an ideal choice for facilities operating 24/7 in challenging industrial settings. **Key Features and Benefits:** - **High Reliability:** Engineered with industrial-grade components, the DFO1A.142-4DB ensures minimal downtime and maximum uptime, reducing maintenance costs and operational disruptions. - **Efficient Power Distribution:** Designed to deliver stable output power, this board minimizes energy waste and heat generation, contributing to lower total cost of ownership (TCO) over its lifecycle. - **Advanced Thermal Management:** Built-in heat dissipation mechanisms prevent overheating, extending the lifespan of the board and connected systems while maintaining peak performance. - **Compatibility & Integration:** The DFO1A.142-4DB is designed to seamlessly integrate with WEG’s broader automation and control ecosystem, as well as third-party industrial systems, ensuring flexibility in system design and scalability. - **Compliance & Safety:** Manufactured to meet international industrial standards, including UL, CE, and RoHS certifications, the board adheres to stringent safety and environmental regulations, providing peace of mind for operators and facility managers. **Typical Applications:** The WEG DFO1A.142-4DB Power Supply Board is a versatile solution for a wide range of industrial applications, including: - **Automation Systems:** Serving as the backbone for PLCs, HMIs, and motion control systems in manufacturing and assembly lines. - **Process Control:** Providing stable power to distributed control systems (DCS) and SCADA networks in chemical, oil & gas, and water treatment facilities. - **Industrial Machinery:** Supporting CNC machines, robotics, and packaging equipment with clean, regulated power to prevent operational errors and equipment damage. - **Energy Management:** Integrating with renewable energy systems and smart grids to ensure reliable power delivery in decentralized energy networks. - **Transportation & Infrastructure:** Deployed in railway signaling systems, traffic control, and airport logistics to maintain operational continuity in high-availability environments. **Why Choose WEG for Power Supply Solutions?** WEG is a global leader in industrial power electronics, with over 50 years of expertise in designing and manufacturing high-performance electrical components. The company’s power supply boards, including the DFO1A.142-4DB, are trusted by industries worldwide for their durability, efficiency, and adherence to the highest quality standards. WEG’s commitment to innovation is evident in its continuous investment in R&D, ensuring that its products meet the evolving needs of modern industrial applications. By choosing WEG, engineers and facility managers gain access to a reliable partner that delivers not just components, but complete power management solutions tailored to the challenges of industrial automation. **Installation and Maintenance Considerations:** The DFO1A.142-4DB is designed for straightforward installation in standard industrial enclosures, with clear labeling and modular connectivity for ease of integration. Professionals should ensure proper grounding and ventilation to optimize performance and longevity. Routine inspections and adherence to manufacturer guidelines will help maintain optimal operation, while WEG’s global service network provides support for troubleshooting, repairs, and upgrades. For facilities operating in hazardous or classified environments, WEG offers specialized versions of its power supply boards to meet ATEX, IECEx, or other explosion-proof requirements. In summary, the **WEG DFO1A.142-4DB Power Supply Board** is more than just a component—it is a critical enabler of industrial efficiency, reliability, and safety. Whether upgrading existing systems or designing new installations, this board delivers the performance and dependability required to keep operations running smoothly in the face of electrical and environmental challenges.
  • High-reliability industrial power supply for automation and control systems
  • Stable voltage regulation and surge protection for critical applications
  • Robust construction for harsh industrial environments
  • Seamless integration with WEG and third-party automation systems
  • Compliant with UL, CE, and RoHS safety standards

Specifications

Package Weight (Imperial)
1.056 LB
Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included

3085

Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included
N3 SCREW COVER - 10X10X6 - GRA

C3SC10106GY

N3 SCREW COVER - 10X10X6 - GRA
ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module

ACS380-040S-07A2-4

ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module
BK63H 1P B2A 10kA 120/240VAC UL1077

0626030563

BK63H 1P B2A 10kA 120/240VAC UL1077
MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)

1338006700

MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699

CR104PXN1B

Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699
C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A

XT2NU3090BFF000XXX

C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
DS9 RECEPTACLE POLY BLUE SIZE 5 IP 66/67/69 3P+G 150 A 480 VAC 60 Hz

3194213000K04

DS9 RECEPTACLE POLY BLUE SIZE 5 IP 66/67/69 3P+G 150 A 480 VAC 60 Hz
HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

C2G0150MQMJ

HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

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.