Block STU 500/24 Transformer Safety & Isolation 1x24V AC 500 VA

The STU 500/24 by Block is a versatile control, isolation, and safety transformer. It supports a wide range of input voltages from 210 V AC to 540 V AC with a 24 V AC output at 500 VA. Ideal for automation applications, this transformer ensures reliable performance in power distribution and electrical safety tasks.

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	500VA
Height	126mm
Length	122mm
Width	150mm
Connection	Screw terminal
Dimensions	(L x W x H) 122 x 150 x 126 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
Weight	7kg