Ex Glossary
Types of Protections
The various categories of explosion protection (summary)
There are various categories of explosion protection, depending on the type of ignition to be blocked and with different specific applications. Below you can find a summary
It is obtained containing the high power components (motors, transformers, lamps, electronic devices) that could cause arcs and sparks, inside a case that, in case of explosion, prevents it from escaping into the surrounding atmosphere, by means of flame paths.
It is based on the principle of the energetic limitation, placing limits for applicable current and tension in dangerous zones, also in the case of breakdowns, through dedicated electronic circuits which energy released is less than the minimum air-gas ignition energy present in the hazardous area.
The electric parts that might ignite a dangerous mixture are sealed in resin sealing, avoiding any kind of sparking or overheating, generally used to protect solenoid valves and electronic circuits.
The protection is based on a powder filling of the electric parts that might ignite a dangerous mixture, through sparking or overheating, generally used to protect control unit and electronic circuit.
This type of protection is based on the prevention and is obtained by increasing the physical protection of terminals, electric connections, non-sparking motors, etc. It is generally used in the conversions of traction batteries and motors in alternative current.
It is obtained containing the high power components (motors, transformers, lamps, electronic devices) that could cause arcs and sparks, inside a case that, in case of explosion, prevents it from escaping into the surrounding atmosphere, by means of flame paths.
It is based on the principle of the energetic limitation, placing limits for applicable current and tension in dangerous zones, also in the case of breakdowns, through dedicated electronic circuits which energy released is less than the minimum air-gas ignition energy present in the hazardous area.
The electric parts that might ignite a dangerous mixture are sealed in resin sealing, avoiding any kind of sparking or overheating, generally used to protect solenoid valves and electronic circuits.
The protection is based on a powder filling of the electric parts that might ignite a dangerous mixture, through sparking or overheating, generally used to protect control unit and electronic circuit.
This type of protection is based on the prevention and is obtained by increasing the physical protection of terminals, electric connections, non-sparking motors, etc. It is generally used in the conversions of traction batteries and motors in alternative current.
Index of contents of Types of Protections
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