Block STU 400/24 Transformer: 1x210-540V AC Low Inrush Current Safe

Block STU 400/24 is a versatile control, isolation, and safety transformer by 02050003640428, designed to handle input voltages ranging from 210 V AC to 540 V AC and deliver an output of 24 V AC with a power rating of 400 VA. This transformer is ideal for applications in automation and power management systems, providing reliable voltage conversion and isolation. It is commonly used in industrial settings where safe and efficient power distribution is essential.

Type	Control transformer
Connection	Screw terminal
Design type	open
Dim	(L x W x H) 102 x 120 x 123 mm
Efficiency	91%
Fitting method	Base plate
Frequency	50 - 60Hz
Height	123mm
Input voltage (number x voltage)	1 x 210 V AC, 230 V AC, 250 V AC, 380 V AC, 400 V AC, 420 V AC, 440 V AC, 460 V AC, 480 V AC, 500 V AC, 520 V AC, 540 V AC
Insulation class	VDE = B, UL = class 105
Length	102mm
Max. ambient temperature	+40°C
Mounting Type	L-piece
Number of Inputs	1
Number of Outputs	1
Output Voltage	24V AC
Output voltage (number x voltage)	1 x 24 V AC
Power	400VA
Primary Voltage	210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540V
Protection Class	I
Standards	VDE 0570 Part 2-4, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-4, UL 5085-1/-2, CSA 22.2 No.66
Test mark	cULus recognized
Width	120mm