Block AT3 3,5-20/21-4 Autotransformer 3x200/208/400V AC 3500 VA

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Block AT3 3,5-20/21-4 Autotransformer 3x200/208/400V AC 3500 VA

Block
Order Code:

01-6314

Brand: Block MPN: AT3 3,5-20/21-4 EAN-13: 2050003639101
Qty Unit Price (Ex VAT)
1+ £410.94
5+ £369.84
Price per unit {{ this._page.IncVat ? 'Inc' : 'Ex' }} VAT
1 available to back orderBack-order availability date - 19/12/2025

Block's AT3 3,5-20/21-4 Autotransformer is a power transformer capable of converting 3 x 200 V AC to 208 V AC or 3 x 400 V AC with a power rating of 3500 VA. Notable for its reliability and versatility, it is suitable for use in automation systems and as a mains transformer. Typical applications include industrial settings where voltage adjustment within safety parameters is crucial.
Type Autotransformer
Connection Screw terminal
Design type Open
Dim (L x W x H) 150 x 267 x 220 mm
Efficiency 93%
Frequency 50 - 60Hz
Height 220mm
Input voltage (number x voltage) 3 x 200 V AC, 208 V AC
Insulation class F
Length 150mm
Max. ambient temperature +40°C
Mounting Type L-piece
Number of Inputs 3
Number of Outputs 3
Output Voltage 400V AC
Output voltage (number x voltage) 3 x 400 V AC
Power 3500VA
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
Width 267mm

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