Certified Quality

Certified Quality

SPANGLER – the Plus of Standards.

Spangler is a UL-listed manufacturer of control cabinets and thus certified to produce plants for the North American market. Regular inspection by UL Germany ensures a consistently high standard, based on the latest specifications.

Control cabinet construction as per UL508A

UL508A is the relevant standard for control cabinet construction in North America (Industrial Control Panels). It is fundamentally different from the widely used IEC standards, as not only the plant, but also the production process and the commissioning is checked. In addition, besides the control cabinets for General Use, Spangler mainly plans control systems for Industrial Machinery. Here, the NFPA79 Electrical Standard for Industrial Machinery is followed.

Control cabinet construction in hazardous areas, according to UL698A

When used in high-risk locations (hazardous locations) special requirements according to UL698A must be met in order to avoid hazards. Spangler is one of the few producers in Germany to possess the advanced certification and the know-how to produce control systems for the control of plant components for hazardous areas.

Acceptance on site

Whereas in North America on-site acceptance by the local authority AHJ (Authority Having Jurisdiction) is required by law, in countries like in South America, Middle East or Asia, the requirements come from the customers themselves. By labelling the cabinets with UL-listed labels, Spangler ensures a smooth inspection process, thereby avoiding delays in commissioning.

Spangler has almost 20 years of experience in planning, production, certification, and documentation of control cabinets for the North American market and also offers further support with electrical planning. This includes, for example, the selection of components or the calculation of short circuit current rating (SCCR) to build the control cabinets in accordance with the customers’ wiring diagrams.

All Spangler UL specialists have taken the test of MTR (Manufacturer Technical Representative) at UL Germany and regularly take part in trainings.  They have already planned many control systems – plants such as the hydrogen fuel stations in USA or sewage treatment plants in the Middle East – in accordance with the UL standard, and therefore can guarantee top quality and safety with the routine established.

NEC Class I Div. 1 for the hazardous area
Assembly with LÜTZE wiring system according to UL standard








Control cabinet made from stainless steel according to UL standard
UL logo








Control cabinet according to UL standard