!

SAFETY

FOR LIFE

 

C

SOURCE

B

 

A

BYPASS SWITCHES

(CLOSED)

5

CLOSING

SOURCE

LOAD

6

COIL

 

3

 

 

 

4

1

 

 

 

2

SOURCE SIDE

 

 

 

LOAD SIDE

DISCONNECT SWITCHES

 

 

 

DISCONNECT SWITCHES

(CLOSED)

 

 

 

(OPEN)

S280-79-10

LOAD

Figure 44.

Closing source-side switches of a bypassed “on-line” recloser provides closing solenoid power for automatic operation during testing.

VOLTAGE RATING OF

SENSING CTs (3)

CLOSING

SOLENOID

RECLOSER CLOSING

 

 

 

 

CONTACTOR

SOLENOID COIL

 

 

 

 

 

 

Z

 

 

 

5

 

6

 

J

 

 

TO

 

 

MAIN

240 OR

 

 

 

 

CONTACTS (S)

480 VAC

 

 

 

ROTARY

SOURCE

 

 

SOLENOID

 

 

T3

Y

 

 

 

 

 

 

3

 

4

 

H

E F

TRIP

 

 

SOLENOID

 

 

 

 

 

CLOSING

 

 

 

SOLENOID

 

 

 

COIL

 

 

 

 

A B

 

X

 

W

 

1

 

2

TO

G

K

CONTROL

 

 

CABLE RECEPTACLE

240 VAC

 

 

 

SOURCE

 

 

 

 

TO

ELECTRONIC

AMMETER AND RELAY TO

OPERATE CYCLE COUNTER

CONTROL

OR OTHER TIMING DEVICE

T2

 

VARIABLE

120 VAC

AUTOTRANSFORMER

 

240VAC

20AMPS

Figure 45.

Suggested test circuit for “shop-testing” solenoid-closing reclosers.

45