Eaton UVR120VAC Undervoltage Relay - IEC Rated
Part Number: UVR120VAC
Quick Summary
Eaton UVR120VAC undervoltage relay protects control circuits by opening the breaker on low voltage in industrial automation panels. A common pain point is nuisance trips or stuck equipment during voltage sags, causing downtime and maintenance headaches. Certifications include IEC Rated, helping ensure compliance with international electrical standards. It operates with both direct and alternating current, offering flexible deployment in mixed power environments. The device is designed for compatibility with the W-VACiMB protection scheme, simplifying coordinated control. Designed for panel mounting, it supports compact layouts while providing robust electrical protection. Engineers can rely on Eaton's W-VAC ecosystem for consistent protection strategies and streamlined spare parts management.
Product Information
Extended Description
UVR120VAC Eaton: Eaton W-VAC undervoltage relay, 110-120 Vac, Used with W-VACiMB
Product Name
Eaton W-VAC undervoltage relay
Catalog Number
UVR120VAC
UPC
786685632599
Product Length/Depth
8 in
Product Height
3 in
Product Width
5.5 in
Product Weight
1.2 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
IEC Rated
Catalog Notes
This device opens the circuit breaker when there is notable lowering or loss of its power supply. It can operate with both direct and alternating current.
Used with
W-VACiMB
Type
Undervoltage relay
Voltage rating
110-120 V
Feature: 110-120 V voltage rating with undervoltage sensing. Business Impact: Rapid breaker actuation minimizes downtime and protects downstream equipment from undervoltage faults. Application: Ideal for industrial automation panels within W-VAC protection schemes. Feature: Supports both direct current and alternating current. Business Impact: Eliminates the need for separate DC/AC devices, reducing stock and installation time. Application: Suitable for mixed-power control circuits in manufacturing lines and panel assemblies. Feature: Designed for use with W-VACiMB. Business Impact: Enables a coordinated protection strategy and streamlined wiring, improving system reliability. Application: Best suited for Eaton W-VAC control architectures in machine control rooms. Feature: IEC Rated certification. Business Impact: Supports regulatory compliance and safer operation across international installations. Application: Required for projects demanding IEC-standard protection devices and international sourcing. Feature: Panel-mount friendly dimensions and weight. Business Impact: Eases installation in standard enclosures while maintaining robust protection; reduces enclosure footprint. Application: Fits compact control panels with straightforward mounting. Feature: Warranty and service policy. Business Impact: Reduces ownership risk with a 1-year warranty post-installation or 18 months from shipment. Application: Peace of mind for maintenance planning and long-term uptime.
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FAQs
The UVR120VAC is designed for use with Eaton's W-VAC protection family, specifically compatible with W-VACiMB systems. It can operate with both DC and AC power, enabling flexible integration into mixed-power control panels. This compatibility reduces wiring complexity and stock variety while delivering reliable undervoltage protection in industrial automation environments.
When the supply voltage falls outside the 110-120 V range, the UVR120VAC undervoltage relay initiates a breaker-open action to disconnect the protected circuit. This prevents equipment from operating under unsafe voltage conditions, reduces coil and motor stress, and minimizes risk of downstream faults or nuisance trips in automation lines.
Yes. The UVR120VAC is designed to be panel-mount friendly and fits within standard control enclosures used in W-VAC protection schemes. Its 8 in length, 5.5 in width, and 3 in height help ensure compatibility with typical Eaton panel layouts, while the 1.2 lb weight supports straightforward handling during installation.
The UVR120VAC is a 110-120 V undervoltage relay intended for use with DC and AC power. It is IEC Rated and pairs with W-VACiMB for coordinated protection. The enclosure and mounting are designed for industrial environments, and the device is suitable for applications requiring reliable undervoltage protection within standard control circuits.
The product carries IEC Rated certification as part of its compliance profile. It is backed by Eaton's warranty policy, providing one year from installation or eighteen months from shipment, whichever comes first. This warranty supports maintenance planning and helps protect uptime for critical automation processes.