Skip to main content

OVR Q Compact Series

Surge Protection OVR 30Q UL version

Data Line Surge Protective Devices

ABB’s OVR Q Series of Surge Protective Devices help deliver compact and reliable surge protection for data and signal applications. These UL 497B listed SPDs are specifically designed for where installation space is a premium and large numbers of lines require protection equipment against the damaging effects of surges caused by lightning, load switching, and more on data and signal lines.

Features & Benefits

  • Low let-through voltage and full mode protection design extends equipment lifetime from surges
  • A multi-stage protection module with a quick-release mechanism allows easy line commissioning and removal in the field
  • Space-saving design of OVR Q Compact units are ideal for multiple lines in tight installations
  • Built-in DIN rail foot allows simple mounting is quick and easy, saving time and labor cost
  • Durable, flame retardant housing enhances the protection of sensitive equipment

Technical Specifications

  • Nominal voltage (1) 30V
  • Temperature range -40 to +80 °C
  • Surge Current Rating (8/20 μs) 20kA per pair


  • Process automation systems
  • Security Systems
  • Control panels
  • Suitable for use in NFPA 780 Lightning Protection Systems
  • Other point-of-use applications

Certifications and standards

  • UL 497B 4th Edition (UL File: QVGO:E240341)
  • NEC® 2020 Article 645
  • RoHS