Certificates

The most important factor in choosing between a dry type and a liquid-cooled transformer is the installation environment.

Is it an indoor or outdoor installation?

Are fire hazards a concern?

Do you need to avoid possible fluid leaks from an oil filled?

Will people be walking around near the site?

How much space is available?

Will the floor safely support the weight?

Is the installation space dry, well ventilated and free of dust and chemicals?

ELSCO dry type transformers are ideal for indoor installations with people nearby because they run cool and quiet and pose much less of a fire hazard. They can be installed indoors close to the load, which is an advantage in many industrial applications. They can also be installed outdoors inside a NEMA type 3 in moderate weather conditions, but will be only as reliable as the enclosure.

Dry type transformers require adequate surrounding space for circulating cooling air and maintenance access (NEC 450.21.) A transformer’s size dimensions, weight and location of infrastructure connections should be obtained from ELSCO and compared with your installation space.

Suitable indoor applications for air-cooled transformers include hospitals, universities, retail space, office buildings, and residential areas. Other applications include:

Environmentally sensitive areas,

Areas of high fire risk,

Performance halls and conference centers

Oil, chemical and gas industries

Renewable generation areas.

If the space where your transformer is to be installed meets the following requirements, then a dry type transformer will be an ideal choice for the application because all the advantages of a dry type will be realized in that environment:

Is indoors,

Overhead or side electrical connections,

Moderate temperature & humidity all seasons,

Clean ambient air due to HVAC,

Restricted access or a separate room,

Operates in proximity to people,

Needs quiet operation,

Needs to minimize fire hazard.