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nVent LogonVent offers an extensive range of Calmark and Birtcher PCB retainers, Card Loks, and extractors, catering to diverse needs from economical nylon card guides to advanced Card and Wedge Loks. These solutions are meticulously designed to ensure secure board retention and effective thermal management, particularly for applications with high shock and vibration requirements. nVent is a leading provider of high-quality protection solutions, offering a wide array of electronic packaging, components, and systems, including those conforming to 19" standards, with an unparalleled range of modification options and customization capabilities.

nVent SCHROFF's Calmark and Birtcher product lines have been industry leaders, serving Military and Aerospace markets for over 40 years. All products maintain stringent quality standards, manufactured in AS9100D compliant facilities. Birtcher and Calmark excel in providing state-of-the-art PCB hardware solutions globally. Their PCB accessories, such as nylon card guides and PCB connectors, are engineered to enhance board retention, stiffening, and thermal management, particularly in high shock environments. Products are adaptable and can be tailored to meet specific extraction requirements.

Founded in Germany in 1962, nVent SCHROFF has been synonymous with innovation from the outset, notably pioneering the euro board subrack system that helped establish the 19" standard as universal. Today, nVent remains at the forefront of electronic infrastructure development across diverse applications.

nVent SCHROFF products are renowned for their compatibility, modularity, and scalability, meeting national and international standards for electronics packaging (IEC 60297-3-x and IEEE 1101.x). By starting with SCHROFF standards-based solutions and then customizing or modifying them to suit specific application needs, customers can save valuable time and resources compared to developing proprietary solutions.

nVent Hardware Components
For over 50 years, Calmark and Birtcher have been widely recognized and trusted brands for printed circuit board retention, PCB accessories and conduction cooling products. Supporting a wide variety of applications, Calmark and Birtcher products range from economical nylon card guides to ruggedized Card-Loks and Wedge Loks, inserters and extractors and even conduction cooled assemblies. Key customer benefits include:

  • Comprehensive product portfolio
  • Precision engineered standard & modified solutions
  • Design consultation and rapid prototyping
  • Program management support and service
  • Design verification, validation & certification support
  • Lot traceability, DFARS specialty metals, first article inspection, RoHS certification, ITAR compliance and NADCAP certified suppliers

Product engineering, program management, customer service and manufacturing will continue to be located in San Diego, California. Customers can expect to receive the same level of product quality, customer service and support.