FAT and SAT testing on delivery of control cabinets
- Testing in accordance with NEN standards
- Documentation and test report
- Security on completion
Professional testing phase on delivery
FAT and SAT tests at switchboards are an important part of quality control before commissioning industrial control systems. These tests ensure that the electrical installation is fully functional and complies with applicable standards, such as NEN-EN 60204-1 and NEN-EN 61439. At Gerbin Control, FAT and SAT tests are carefully performed as part of a structured delivery process with measurement reports and declarations of conformity. This provides assurance that each switchgear cabinet will operate safely, reliably and to specification in the final operating environment.
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Met de precisie van een horlogemaker en de souplesse van een acrobaat, zet Gerbin Control zich in voor het creëren van maatwerk elektrotechnische panelen voor de machinebouw. Als veerkrachtige speler in de paneelbouw, schakelen we snel, zonder in te boeten op kwaliteit of duurzaamheid. Stap in onze wereld van innovatie en ontdek hoe we uw machinebouw-projecten naar een hoger niveau kunnen tillen.
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What are FAT and SAT tests
FAT (Factory Acceptance Test) and SAT (Site Acceptance Test) are quality checks that demonstrate that a switchgear cabinet is functioning correctly before commissioning. The FAT takes place at the manufacturer, where electrical functions, wiring and software configurations are tested according to the design. After installation on site, the
Important standards and guidelines
Gerbin Control performs FAT and SAT testing in accordance with relevant European standards.
- NEN-EN 61439: Describes the requirements for low voltage distributors and panel construction.
- NEN-EN 60204-1: deals with electrical safety of machinery, including emergency stop circuits and insulation resistance.
- NEN 1010: Deals with installation requirements for electrical systems.
Together, these standards form the basis for safe and reliable delivery. Gerbin Control does not claim certifications, but works in accordance with these guidelines to demonstrate that each cabinet is technically compliant.
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Applications in industry
FAT and SAT are found in virtually all industries in which Gerbin Control operates:
- Mechanical engineering: Validation of control cabinets for production lines.
- Food & logistics: testing of weighing and dosing systems.
- Infrastructure & water management: inspections of distribution boxes for pumps and sluices.
- Marine & offshore: functional test at critical control systems.
In every project, the tests provide assurance that installations will run reliably immediately upon commissioning.
Benefits of FAT and SAT
A structured FAT/SAT offers practical advantages:
- Risk reduction – errors are detected before placement.
- Efficiency – Shorter start-up time on site.
- Transparency – results recorded in test protocol.
- Quality proof – test report and declaration of conformity included.
In addition, the process demonstrates that the cabinet was designed and built according to PL/SIL methodology, which is important in machine safety.
The process at Gerbin Control
At Gerbin Control, FAT and SAT are part of the overall panel construction process:
- Design: hardware according to NEN-EN 61439, software according to IEC 61131-3.
- Assembly: assembly and internal control in our own workshop.
- FAT: electrical and functional test, including communication via Profinet or Modbus.
- SAT: site recheck and verification of cabling and signals.
- Delivery: report and declaration of conformity for the customer.
The approach is systematic, supported by tools such as EPLAN P8 and Pro Panel, making every step traceable.
Quality assurance as standard
FAT and SAT are not a separate service, but an integral part of Gerbin Controls quality process. Each cabinet is tested
Years of experience in the field of industrial automation
Efficiency and reliability in industrial automation
With Gerbin Control as your partner, you benefit from several specific advantages. We strive for reduced Total Cost of Ownership (TCO) and offer electrical components that meet the highest standards. In addition, we combine flexibility with competitive pricing, increase the efficiency of your systems and machines, and have an international network and UL/CSA certification.
Gerbin Control as your partner for FAT and SAT testing
Gerbin Control is your specialist for FAT and SAT testing of switchgear cabinets. We ensure that every cabinet is fully functional before delivery and complies with the applicable standards, such as NEN-EN 61439 and NEN-EN 60204-1. Our engineers carry out tests with measurement report and declaration of conformity, giving you assurance of quality and safety. With expertise in panel building, PLC/HMI software and industrial protocols such as Profinet and Modbus TCP, we support projects in mechanical engineering, infrastructure, food and offshore.
Frequently asked questions about FAT and SAT testing at control cabinets
What is the difference between FAT and SAT testing?
The FAT (Factory Acceptance Test) takes place in the manufacturer’s workshop before transport and installation. Here it is checked that the switchgear functions as designed. The
Why are FAT and SAT tests important?
They reduce the risk of commissioning failures. By testing in the factory and on site, faults are detected early. This prevents failure costs, speeds up delivery and increases system reliability.
What standards apply in FAT and SAT?
Gerbin Control test in accordance with NEN-EN 61439, NEN-EN 60204-1 and NEN 1010.. These standards describe the safety and quality requirements for switchgear cabinets and electrical installations. The tests provide a test report and declaration of conformity as proof of compliance.
What does an FAT/SAT test report say?
The report contains the results of the electrical and functional tests, including measurements, security function checks, communication tests and any discrepancies. It also states that the cabinet meets applicable standards and acceptance criteria.
Is FAT or SAT mandatory for every control cabinet?
Not legal, but in industrial projects it is strongly recommended. FAT and SAT demonstrate that the installation is operating safely and reliably. Especially in complex systems or export projects, this double testing phase is essential for quality assurance.
