The Block AT3 15-48/50-4 Autotransformer by Block is designed for transforming electrical voltages, handling 3 x 480 V AC to 500 V AC and 3 x 400 V AC with a power capacity of 15,000 VA. Its robust construction makes it suitable for use in automation and power distribution systems. Typical applications include universal transformers and safety transformers in mains and industrial automation circuits.
Type |
Autotransformer |
Connection |
Screw terminal |
Design type |
Open |
Dim |
(L x W x H) 165 x 315 x 250 mm |
Efficiency |
93% |
Height |
250mm |
Input voltage (number x voltage) |
3 x 480 V AC, 500 V AC |
Insulation class |
F |
Length |
165mm |
Max. ambient temperature |
+40°C |
Misc Attribute |
AT3 15-48/50-4 |
Mounting Type |
L-piece |
No. of inputs |
3 |
No. of outputs |
3 |
Output voltage |
400V AC |
Output voltage (number x voltage) |
3 x 400 V AC |
Power |
15000VA |
Protection class |
I |
RoHS-compliant |
Yes |
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 |
29.40kg |
Width |
315mm |
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