Three-phase transformers for mining industry ET3SG**

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

Product for:

Mining Industry

Details:

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(130^oC) - standard for the power up toy 5 kVA; F(155^oC) - standard for power exceeding 5 kVA
Climatic class / environmental class	C2/E1 - mining design
Ambient temperature	45^oC
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

Technical sketch

Sample product

Dimension table

Technical data of examples of thee-phase transformers for mining industry type ET3oG and ET3SG

Type	Power [kVA]	Sample data	L [mm]	B [mm]	H [mm]	d [mm]	e [mm]	f [mm]	Weight [kg]
ET3oG, ET3SG	3,5	3 x 500V/500V/220V Yy0	300	175	265	240	141	11 x 15	34
ET3oG, ET3SG	6,3	3 x 500V/380V Dyn5	300	205	265	240	171	11 x 15	60
ET3oG, ET3SG	25	3 x 500V/400V Dyn5	480	325	475	430	220	11 x 15	147
ET3oG, ET3SG	63	3 x 500V/400V Dyn1	775	435	550	590	251	13 x 18	377
ET3oG, ET3SG	120	3 x 500V/480V Yyn0	DIMENSIONS ARE THE SUBJECT OF MUTUAL AGREEMENT						577
ET3oG, ET3SG	150	3x3300//460 Dy5	DIMENSIONS ARE THE SUBJECT OF MUTUAL AGREEMENT						830
ET3oG, ET3SG	200	3x1000//440 Dy5	DIMENSIONS ARE THE SUBJECT OF MUTUAL AGREEMENT						780
ET3oG, ET3SG	250	3x3300//1000 Dy5	DIMENSIONS ARE THE SUBJECT OF MUTUAL AGREEMENT						1150