◆ Temperature:-40℃~+70℃

◆ Humidity:100%

◆ Altitude:≤2000m

◆ Wind       speed:≤40m/s·H

Note:No fire,no explosion hazards,no chemical corrosion and recurrent severe vibration.

Structure 

◆ 1.Incoming wiring  clamp                         5.Digital  trip  unit

2.Incoming wiring  hole                           6.Load  indicator  trip  indication

3.Arc chute grid                                     7.Position  indicator

4.Operation  mechanism                          8.Operation handle

1.Incoming wiring clamp

Users can connect the transformer's low-voltage side or other four-phase(3P+N)power sources as the incoming power supply for this circuit  breaker.Additionally,its  unique design eliminates the  need

for users to crimp lugs before connection(as shown on figure

2). Additionally,the wiring clamps below it serve as outgoing and phase sequence must be ensured during connection.       

2.Incoming wiring hole

Users can insert cables into the circuit breaker at this location.Similar to point 1,its lower section is designed for outgoing connections.

3. Arc chute grid

This grid is designed to extinguish arcs during circuit breaker operation.Users can replace this component based on the current condition of the grid.

4.Operation mechanism

This area houses the circuit breaker's operating mechanism.Designed as a spring- charged closing mechanism with a trip-free release,it can be operated via a floor- mounted  handle.

5.Digital trip unit

Digital Trip Unit,distinct from traditional thermal trip units or fixed-function PCB hardware  trip  units,features  embedded  current  transformers  with   phase-to- neutral voltage supply.It complies with the trip response time and accumulated overload  response  time  specified  in  the  HN63-S11  standard.The  capacity  is configurable to 50,100,or 160 kVA as required.

6.Load indicator trip indication

The orange component will drop down when the accumulated load time is reached (indicated by Component 6 rotating clockwise past the 0 position)and Component 10 is in the configuration shown.This action will internally trigger the circuit breaker  to  trip.

7.Position indicator

The green component protrudes minimally at the bottom when in the closed position. When in the open position,a significantly longer section becomes visible.

8.Operation handle

This  handle  connects  to  the  floor-mounted  operating  handle.During  installation, users  must  secure  the  linkage  pin  with  a  split  pin.Downward  movement  initiates tripping/spring-charging,while  upward  movement  performs  the  closing  operation.

9.Load trip enable/disable handle

This handle enables or disables the trip function of the load indicator.

Downward   position:

Operate   the   9#Operation   Handle   downward   to   charge   the   mechanism,then upward  to  close  the  circuit  breaker.During  this  motion,the  7#Load  Indicator  Trip Indication resets. If the circuit breaker  detects  overload,the  6#Load  Indicator activates When its pointer rotates clockwise past the 0 position,the breaker trips.   Inward  position:

The load indicator continues monitoring but disables tripping.

Outline Dimension

Installation diagram

Figure 4shows the  installation  diagram.The  floor- mounted operating handle connects to the circuit  breaker via a standard iron pipe.The illustrated utility pole is circular;if a square utility pole is used, this must be specified in the installation notes.