IR423-D4W-1 Bender

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IR423-D4W-1 Bender  Digital I/O Module In Stock

Residual current measurement takes place via an external measuring current transformer 

of the CTUB100 series. The currently measured value is shown on the LC display. In this 

way any changes, for example when circuits are connected to the system, can be recognised

 easily. 

1 - Power On LED “ON” (green); lights when supply voltage is 

applied and flashes in the event of system fault alarm 

respectively in the event of CT malfunction.

2 - Alarm LED “AL1” (yellow), prewarning; lights when the set 

response value IΔn1 is exceeded or flashes in the event of 

system fault alarm respectively in the event of CT malfunction

3 - Alarm LED “AL2” (yellow), alarm; lights when the set response 

value IΔn2 is exceeded or flashes in the event of system fault 

alarm respectively in the event of CT malfunction.

4 - Multi-functional LC display

5 - Test button “T”: to call up the self test. 

Arrow up button: parameter change, to move up in the menu

6 - Reset button “R”: to delete saved alarms. 

Arrow down button: parameter change, to move down in the 

menu

7 - “MENU” button: to call up the menu system. 

Enter button: to confirm parameter change. 

“ESC” button: press the button > 1.5 seconds.

Product details:

IR423-D4W-1 Bender  Digital I/O Module

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Tel.: +86 13338369201

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