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	Open
Primary Voltages	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
Secondary Voltages	1 x 24 V AC
Power Rating	400VA
Height	123mm
Length	102mm
Width	120mm
Connection	Screw terminal
Dimensions	(L x W x H) 102 x 120 x 123 mm
Efficiency	91%
Frequency	50 - 60Hz
Insulation class	VDE = B, UL = class 105
Max. ambient temperature	+40°C
Mounting Type	Base plate
No of Outputs	1
Number of Inputs	1
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