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CV Voltage Relay Class 1E
RIGHT HAND
CONTACT
(FRONT VIEW)
LEFT HAND
CONTACT
(FRONT VIEW)
RESISTOR SHOWN
CONNECTED FOR
125V OPERATION.
MOVE FRONT LEAD TO
ADJ. BAND FOR 48V
OPERATION.
Figure 7: Internal Schematic of Type CV Over or Undervoltage Relay, With ICS in Undervoltage Circuit, in FT11 Case
"T
" RELAY WILL BE ENERGIZED
2
AND CONTACTS CLOSED FOR
CONDITION SHOWN IF TERMINALS
3 AND 10 ARE CONNECTED ACROSS
RATED DC VOLTAGE SUPPLY
"T
" AND "T
1
OPERATE, SLOW RELEASE
RELAYS.
RIGHT HAND
CONTACT
(FRONT VIEW)
RESISTOR SHOWN
CONNECTED FOR
125V OPERATION.
MOVE FRONT LEAD TO
ADJ. BAND FOR 48V
OPERATION.
Figure 8: Internal Schematic of Type CV Over or Undervoltage Relay, Without ICS, With O.I. Unit in Undervoltage Circuit, in
INDICATING
CONTACTOR
SWITCH
" ARE FAST
2
LEFT HAND
CONTACT
(FRONT VIEW)
FT11 Case
41-201.4H
INDUCTION
UNIT
RED HANDLE
TEST SWITCH
TERMINAL
Sub 5
3526A72
INDUCTION
UNIT
RED HANDLE
TEST SWITCH
TERMINAL
Sub 4
3531A13
11
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