Macro Magnetics


Grand Power Systems manufactures transformers that meet industry certifications. Specification, Certification and Safety Requirement Marks found on Grand Power Systems products include:

Underwriters Laboratories Listing Mark
Representative product samples have been tested determined by UL to meet their appropriate standard’s requirements.

UL Recognized Component Mark
This mark means that UL has tested and reviewed sample components or materials intended for use in a complete product or system. The components are intended only for end-use products that may be eligible for UL certification.

C-UL Listing Mark
Products with this type of mark are intended for use within the Canadian market and have been tested and found to comply with the conditions specified within the Canadian Electric Code.


CSA International Mark (formerly Canadian Standards Association)
This mark may appear alone, or with other qualifiers. If it appears alone, it means that the product is certified for the Canadian market, to the applicable Canadian standards.

CE (Conformité Européene)
CE Marking on a product is a manufacturer’s declaration that the product complies with the essential requirements of the relevant European health, safety and environmental protection legislation, as defined by Product Directives. The CE mark on a product indicates the product may be legally placed on the market in the European Union

ISO 9001:2015

The Business Management System for Grand Power Systems has been reviewed and approved by an external registrar to be compliant to the requirements set forth in ISO 9001:2015. Through an internal audit program, management reviews and annual surveillance audits by the registrar, Grand Power Systems is continually assessed to ensure compliance is maintained. Here is a link to our current certificate.

Grand Power Systems equipment is geared to support a wide range from first piece prototypes to large volume production runs. All our operations are supported by our Quality Management System Manual, standard practice work Instructions and document controlled Visual Aids that clearly identify the processes and disciplines we utilize as well as a Certified Operator Program.

Grand Power Systems Quality Policy

Grand Power Systems is committed to satisfying all our customers by consistently supplying quality products with the highest level of service and support. Our organization will operate with determination and utilize all available resources to achieve these goals while continually improving the effectiveness of our Quality Management System.

Grand Power Systems Quality Objectives

  1. Meet or Exceed Defined Customer Specifications and Requirements;
  2. Comply with Applied International, Statutory and Regulatory Requirements;
  3. Meet or Exceed our Customers’ Expectations for Quality, Service and Delivery;
  4. Continuously Improve our Quality Management System, Processes and Products

Contact your Grand Power Systems representative for more details.

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