40
Connection terminal
Function Description
1
5A / 1A common CT input for I
L1
2
5A CT input for I
L1
3
1A CT input for I
L1
4
5A / 1A common CT input for I
L2
5
5A CT input for I
L2
6
1A CT input for I
L2
7
5A / 1A common CT input for I
L3
8
5A CT input for I
L3
9
1A CT input for I
L3
10
5A / 1A common CT input for I
0
11
5A CT input for I
0
12
1A CT input for I
0
13-17
Not used
18
Termination resistor for RS485 (shorting to 20 for termination)
19
RS485 positive terminal
20
RS485 negative terminal
21
RS485 cable shield
22
Not used
23-24
Output contact R3
25-26
Output contact R4
27-28
Digital Input 1 (no polarity)
29-30
Digital Input 2 (no polarity)
31
Casing earth terminal
32
Auxiliary supply input (no polarity)
33
Auxiliary supply input (no polarity)
34
Common contact for IRF
35
Normally open contact for IRF
36
Normally closed contact for IRF
37
Common contact for tripping contact R1
38
Normally open contact for tripping contact R1
39
Normally closed contact for tripping contact R1
40
Common contact for output contact R2
41
Normally open contact for output contact R2
42
Normally closed contact for output contact R2