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Product selection guide for surge protectors

How to choose in 4 easy steps the proper Surge Protective Devices (SPD) to protect your installation according to IEC/EN 61643-11 standard.

1) Note the characteristics of the power supply in order to find out the maximum working DC and AC voltage for each line. Select the SPDs providing: Uc > maximum working voltage of the line.
2) Select the SPD type and its maximum current depending on the effects it should withstand:

3) Select the SPD residual voltage according to the equipment to be protected. For example, for power supply lines it is recommended:

4) Select the model of SPD according to the aforementioned parameters and to the type of installation, as follows:

How many Apliweld®-T tablets are necessary for exothermic welded joints?

Use the search-engine on our web to find the suitable mould for the connection you need to perform.
How many Apliweld®-T tablets are necessary for exothermic welded joints?
APLIWELD®-T, universal exothermic welding compound in tablets, is valid for any type of connection using one or more units.
With Apliweld®-T it is not necessary to buy different packages of welding compound: just use the required number of tablets for each mould. Click here to go to the mould search-engine.
Nevertheless, the following table can be used as a guide:
COMPARISION BETWEEN TRADITIONAL WELDING COMPOUND AND APLIWELD®-T TABLETS:

   Notes:

One of the biggest plants of sugar and bioethanol production in Colombia has installed DAT CONTROLER® PLUS lightning rods

This important factory is protected thanks to five Aplicaciones Tecnológicas’ ESE air terminals.
The production plants of sugar and bioethanol are highly flammable facilities since they concentrate tons of chemicals products that increase the risk of human and material losses in case of lightning strike.
Manuelita S.A  Group, being aware of the importance of having an effective lightning protection system, has installed five DAT CONTROLER® PLUS lightning rods of Aplicaciones Tecnológicas. All the safety requirements provided by the current standards about lightning protection and safety codes have been taken into account.
Check out our Early Streamer Emission Air Terminals to get detailed information.

Aplicaciones Tecnológicas trains the students of the Master Business and Building Engineering in lightning protection

We collaborate with IDESIE in its program of design and management of installations in a building.
In line with our training program, we work with IDESIE in the Master Business and Building Engineering teaching the module of lightning protection.
The master's degree, which focuses its objectives on the knowledge of the installations in buildings, includes in its program how to design lightning and surge protection systems. Our collaboration with this master provides students with all the issues that must be taken into account in this field:

• National and international standards
• External protection: Early Streamer Emission air terminals and its installation
• Internal Protection: surge protection and its application according the different types of facilities
• Exothermic welding
• Preventive protection
• Project design: risk assessment and project design using CD-Risk software