Front side and operating elements

Front side and operating elements 1:
PS3031-2420-0001, front

Input terminals (quick-connect spring-loaded terminals)

Designation (A)

Description

L1, L2, L3

Mains input L1, L2, L3

Front side and operating elements 2:

PE input (protective conductor)

Output terminals (quick-connect spring-loaded terminals)

Designation (B)

Description

+

two identical positive poles, positive output

-

two identical negative poles, negative output

DC-OK relay contact (quick-connect spring-loaded terminals)

Designation (C)

Description

13 / 14 make contact

The DC-OK relay contact is synchronized with the DC-OK LED
See chapter on DC OK relay contact for more information.

Potentiometer for the output voltage

Designation (D)

Description

Potentiometer cover

Multi-turn potentiometer:

Open the flap to adjust the output voltage.

Factory setting: 24.1 V at full output current

Overload LED

Designation (E)

Description

LED red

On when the voltage at the output terminals is <90% of the set output voltage, or in the event of a short circuit in the output.

On when the unit has switched off due to overtemperature.

The input voltage is always required.

DC OK LED

Designation (F)

Description

LED green

On when the voltage at the output terminals is >90% of the set output voltage.

LED displays

Overload LED

DC-OK LED

DC-OK contact

Normal mode

OFF

ON

Closed

During extra power

OFF

ON

Closed

Overload (Vout < 90%)

ON

OFF

Open

Short circuit at output

ON

OFF

Open

Temperature switch-off

ON

OFF

Open

No input power

OFF

OFF

Open