Block AT3 10-48/50-4 Autotransformer 3x480V AC 10000VA Voltage Adjustment

The Block AT3 10-48/50-4 autotransformer, manufactured by Block, is a versatile power transformer offering a conversion capability between 3 x 480 V AC to 500 V AC and 3 x 400 V AC with a power rating of 10000 VA. As a safety and mains transformer, it is ideal for automation systems where voltage transformation and regulation are crucial. Typical applications include use in variacs and universal transformer setups for efficient energy management.

Type	Autotransformer
Primary Voltage	3 x 480 V AC, 500 V AC
Secondary Voltage	3 x 400 V AC
Power Rating	10000VA
Connection	Screw terminal
Design Type	Open
Dimensions	(L x W x H) 150 x 267 x 220 mm
Efficiency	93%
Frequency	50 - 60Hz
Height	220mm
Insulation class	F
Length	150mm
Max. ambient temperature	+40°C
Mounting Type	L-piece
No. of Inputs	3
No. of outputs	3
Number of Inputs	3
Number of Outputs	3
Output Voltage	3 x 400 V AC
Power	10000 VA
Protection Class	I
Standards	According to VDE 0570 Part 2-13, DIN EN 61558-2-13, EN 61558-2-13, IEC 61558-2-13, UL 5085-1/-2, CSA22.2 No. 66
Test mark	cULus recognized
Weight	20.80kg
Width	267mm