DH-3 type primary reclosing deviceDetailed product description：

1. Application scope
The DH-3 type primary reclosing device is used as the main component in the three-phase primary reclosing connection of transmission lines. It is composed of time element DS-22, intermediate element ZJ, capacitor C, resistor R, signal light, etc.

2. Main technical parameters

DC rated voltage	Intermediate component retention	Time element	Prepare for the next action
(V)	Holding current (A)	Rated range (s)	Time (S)
110, 220	0.25, 0.5, 1, 2.5	1. 2-5	15-25

3. Internal wiring



4. Appearance and opening size
The relay adopts JK-3 housing, with external dimensions and installation hole diagram



DH-3 type primary reclosing device