Block ST 400/4/23 Control/Safety Transformer 230VAC 400VA Low Inrush

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Block ST 400/4/23 Control/Safety Transformer 230VAC 400VA Low Inrush

Block
Order Code:

01-6408

Brand: Block MPN: ST 400/4/23 EAN-13: 4016138685640
Qty Unit Price (Ex VAT)
1+ £86.15
Price per unit {{ this._page.IncVat ? 'Inc' : 'Ex' }} VAT
2 available to back orderBack-order availability date - 19/12/2025

The Block ST 400/4/23 control transformer is a versatile power transformer designed for automation applications. It features voltage ratings of 380 V AC, 400 V AC, and 420 V AC, with an output of 230 V AC at 400 VA, making it suitable for both isolation and safety requirements. Typically used in industrial settings, this transformer ensures reliable power supply to equipment while providing essential safety isolation.
Type Control transformer
Connection Screw terminal
Design type open
Dim (L x W x H) 110 x 120 x 123 mm
Efficiency 91%
Fitting method Base plate
Frequency 50 - 60Hz
Height 123mm
Input voltage (number x voltage) 1 x 380 V AC, 400 V AC, 420 V AC
Insulation class VDE = B, UL = class 105
Length 110mm
Max. ambient temperature +40°C
Number of Inputs 1
Number of Outputs 1
Output Voltage 230V AC
Output voltage (number x voltage) 1 x 230 V AC
Power 400VA
Primary Voltage 400V
Protection Class I
Standards VDE, UL 5085-1/-2, CSA 22.2 NO. 66
Test mark cULus recognized
Width 120mm

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