20
CD3000S
1PH from 10A to 90A
User’s manual
6.2 Diagram of control connection - Analog Input and/or Heater Break Options
Size S3 with Analog Input and/or Heater Break Option - 35A-45A
- +
Ext. CAL
12-24Vdc
H.B.
Alarm
4
1
Aux
2
:
12-24V
AC/DC
L2/N
L1
L2/N
L1
T1
A2
A1
7
6
1 2 3 4 5
8
L1
POWER UNIT
C.T.
LOAD
Input
3
:
SSR
0-10Vdc
4-20mA
Note:
1. The user installation must be protecting by electromagnetic circuit breaker or by fuse isolator.
2. With AC power supply it’s not possible connect the zero terminal of Analogue Input to the earth.
3. A series connection between analogue inputs of the units is not possible.
4. See par. “HB alarm contact”.
The Current Transformer (C.T.) must be mounted only with the HB option and without ICT option.