DH-3 Reclosing relay
DH-3 Reclosing relay

DH-3 Reclosing relay

DC rated voltage: 110, 220
Rated holding current of intermediate components: 0.25, 0.5, 1, 2.5
Time element setting range: 1.2~5
Time to prepare for the next action: 15~25

Application Range

It is used as the main component to realize three-phase primary reclosing connection on transmission line.It is composed of time element DS-22, intermediate element ZJ, capacitor C, resistor R, signal lamp and so on.

Main technical parameters

DC rated voltage (V) 

Intermediate element

Rated holding current ( A)

Time element

setting range(S)

Prepare for the

next action(S)

110,220

0 . 25,0 . 5,1,2 . 5

1 . 2 - 5

15 - 25

 

Internal wiring diagramdh 3zhzjdq 2

 

Appearance and hole size

Relay adopts JK-3 housing with external dimensions. See FIG. 7 attached on page 290 of this manual for the drawing of mounting holes.dh 3zhzjdq 03

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