ABB CV Series User Manual

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

ABB CV Series Specifications

General

Output	SPDT, DPDT
Terminal Type	Screw Terminals
Mounting	DIN Rail
Electrical Life	100, 000 operations
Mechanical Life	10, 000, 000 operations