EN 60721-3-3

Chemically, biologically, mechanically active substances

IEC 60721-3-3 classifies environmental parameters and their severities to which products are subjected when installed for stationary use at weather-proofed locations.

UL/cULus

UL (Underwriters Laboratories Inc.®) is one of the world's leading testing and certification organizations in the area of product safety. The independent and non-profit organization tests and certifies various materials, components, and end products for their operational safety, particularly with regard to potential personal injury and fire formation.

FM

In North America, devices used in explosive atmospheres must be designed according to the North-American explosion protection standards and certified by an authorized test authority.

ATEX

Substances that can react with oxygen constitute explosion hazards. In order to harmonize the Single European Market, the Institutions of the European Union (EU) adopted "Directive 94/9/EG," better known as ATEX 95.

EAC (GOST)

Like the CE mark, the EAC mark requires that manufacturers and suppliers confirm that a product has undergone a conformity procedure and satisfies the prescribed technical requirements.

KC

The Korean government introduced the KC mark in order to harmonize safety standards. Machines and plants must be labeled with the new KC mark. To obtain the KC mark, manufacturers must have their products appropriately certified by an authorized testing and inspection institution.

EN 50155

This standard applies to all electronic equipment for control, protection, supply, etc., installed on rail vehicles and associated with either the accumulator battery of the vehicle or a low-voltage power supply source with or without a direct connection to the contact system, with the exception of electronic power circuits.