Three-phase transformers for mining industry


Transformers are designed for supply of electrical devices in mining industry.
In the standard design transformers are prepared for mounting with angle brackets. Terminals can be placed only on one or both sides of the transformer. Upon request, the transformers may be assembled in enclosures with the protection degree of IP 23, IP 44 and IP 54

Technical data

Design Three-phase transformers for minig industry ET3oG, ET3SG are produced in accordance with requirements of relevant transformer standards and
PN-G-50003 or BN-82/0466-03 (Polish branch standars)
Insulation class

B(130oC) - standard for the power up toy 5 kVA; F(155oC) - standard for power exceeding 5 kVA

Climatic class
/ environmental class

C2/E1 - mining design

Ambient temperature 45oC
Protection degree IP 00
Protection class I
Frequency 50/60 Hz
Vector group Yy0 - standard
Primary voltages up to 3300 V
Secondary voltages up to 1000 V
Terminals screw terminal blocks, cable lugs or copper bus bars
Fastening by means of angles