Transformer protection RET650 2.1 IEC
The stated operate time for functions
include the operating time for the
binary inputs and outputs.
Table 12. IOM with MOV and IOM 220/250 V, 110mA - contact data (reference standard: IEC 61810-2)
Function or quantity
Binary outputs
Max system voltage
Min load voltage
Test voltage across open
contact, 1 min
Current carrying capacity
Per relay, continuous
Per relay, 1 s
Per process connector pin,
continuous
Making capacity at inductive
loadwith L/R > 10 ms
0.2 s
1.0 s
Making capacity at resistive
load
0.2 s
1.0 s
Breaking capacity for AC, cos j
> 0.4
Breaking capacity for DC with
L/R < 40 ms
Maximum capacitive load
Max operations with load
Max operations with no load
Operating time
ABB
Trip and Signal relays
IOM: 10
250 V AC, DC
24VDC
250 V rms
8 A
10 A
12 A
30 A
10 A
30 A
10 A
250 V/8.0 A
48 V/1 A
110 V/0.4 A
220 V/0.2 A
250 V/0.15 A
-
1000
10000
< 6 ms
Fast signal relays (parallel reed relay)
IOM: 2
250 V DC
-
250 V rms
8 A
10 A
12 A
0.4 A
0.4 A
220–250 V/0.4 A
110–125 V/0.4 A
48–60 V/0.2 A
24–30 V/0.1 A
250 V/8.0 A
48 V/1 A
110 V/0.4 A
220 V/0.2 A
250 V/0.15 A
10 nF
-
-
<= 1 ms
1MRK 504 161-BEN C
M12584-1 v10
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