Brochure
SIRIUS
Siemens Industry, Inc. Industrial Control Product Catalog 2017
3/28
3
OVERlOAd
RElAYS
Short-circuit protection with fuses for motor starters
For short-circuit currents up to 50 kA at 400 to 690 V
1) Please observe operational voltage.
2) Coordination and short-circuit equipment according to EN 60947-4-1:
Type of coordination 1: the contactor or starter must not endanger
persons or the installation in the event of a short-circuit.
They do not need to be suitable for further operation without repair and the
renewal of parts.
Type of coordination 2: the contactor or starter must not endanger
persons or the installation in the event of a short-circuit.
They must be suitable for further operation. There is a risk of contact welding.
3) Contactor cannot be mounted.
4) Please ensure that the maximum AC-3 operational current has sufficient
safety clearance from the rated current of the fuses.
Overload relays Contactor
CLASS 690 V
5 and 10 20 30 Fuse links
1)
LV HRC Type 3NA
DIAZED Type 5SB
NEOZED Type 5SE
gL/gG operational class
Rated operational current I
e
AC-3 in A at Type of coordination
2)
Setting range Type
400 V 500 V 690 V 400 V 500 V 690 V 400 V 500 V 690 V 1 2
Size S00
0.1 ... 0.4 A 3RT20 15 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 35 4
0.32 ... 1.25 A 3RT20 15 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 35 6
1 ... 4 A 3RT20 15 4 4 4 4 4 4 4 4 4 35 20
3RT20 16 4 4 4 4 4 4 4 4 4 35 20
3RT20 17 4 4 4 4 4 4 4 4 4 35 20
4 ... 16 A 3RT20 16 9 6.5 5.2 9 6.5 5.2 9 6.5 5.2 35 20
3RT20 17 12 9 6.3 10 9 6.3 9 9 6.3 35 20
Size S0
3 ... 12 A 3RT20 23 9 6.5 5.2 9 6.5 5.2 -- -- -- 63 25
3RT20 24 12 12 9 12 12 9 12 12 9 63 25
3RT20 25 12 12 12 12 12 12 12 12 63 25
10 ... 40 12 12 9 12 12 9 12 12 9 63 25
3RT20 25 17 17 13 16 16 13 14 14 13 63 25
3RT20 26 25 18 13 16 16 13 14 14 13 100 35
Size S2
40 40 24 40 40 24 36 36 36 160 80
3RT20 36
3RT20 35
3RT20 37
3RT20 38
50 50 24 45 45 24 38 38 24 160 80
50 50 47 48 48 47 42 42 42 250 125
50 50 50 49 49 49
40 40 24 40 40 24
50 50 24 45 45 24
65 65 47 48 48 47
80 80 58 49 49 49
43
36
38
42
43
43 43
36 36
38 24
42 42
43 43
250
160
160
250
250
160
3RT20 36
3RT20 35
3RT20 37
3RT20 38
Size S3
12.5 ... 50 A 3RT20 45 50 50 47 49 49 47 41.7 41.7 41.7 200 125
3RT20 46
50 50 50 50 50 50 45 45 45 200 160
32 ... 115 A 3RT20 45
65 65 47 49 49 47 41.7 41.7 41.7 200 125
3RT20 46
80 80 58 53 53 53 45 45 45 200 160
3RT20 47
95 95 58 59 59 58 50 50 50 200 160
3RT10 54
100 100 100 81.7 81.7 81.7 69 69 69 355 315
3RT10 55
-- -- -- 100 100 100 90 90 90 355 315
Size S6
50 ... 200 A 3RT10 54 115 115 115 81.7 81.7 81.7 69 69 69 355 315
3RT10 55
150 150 150 107 107 107 90 90 90 355 315
3RT10 56
185 185 170 131 131 131 111 111 111 355 315
Size S10/S12
55 ... 250 A 3RT10 64 225 225 225 160 160 160 135 135 135 500 400
3RT10 65
250 250 250 188 188 188 159 159 159 500 400
3RT10 66
250 250 250 213 213 213 180 180 180 500 400
160 ... 630 A 3RT10 64
225 225 225 160 160 160 -- -- -- 500 400
3RT10 65
265 265 265 188 188 188 -- -- -- 500 400
3RT10 66
300 300 280 213 213 213 180 180 180 500 400
3RT10 75
400 400 400 284 284 284 240 240 240 630 400
3RT10 76
500 500 450 355 355 355 300 300 300 630 500
3RT12 64
225 225 225 225 225 225 173 173 173 500 500
3RT12 65
265 265 265 265 265 265 204 204 204 500 500
3RT12 66
300 300 300 300 300 300 231 231 231 500 500
3RT12 75
400 400 400 400 400 400 316 316 316 800 800
3RT12 76
500 500 500 500 500 500 385 385 385 800 800
3TF68
3)
630 630 630 440 440 440 376 376 376 800 500
4)
3TF69
3)
630 630 630 572 572 572 500 500 500 800 630
4)
3RT20 24
3RT20 18
16
12.4
8.9
12.9
11.6
8.1
11.6 11.6 8.1 50 25
3RT20 27
3RT20 28
32
38
32
32
21
21
18.6
22.4
18.6
22.4
15.1
18.2
16.2
19.6
16.2
19.6
15.1
18.2
125
50
50
125
20 ... 80 A
12.5 ... 50 A
80
80
125
160
Overload Relays
3RB2 / 3RB3 Solid-State Overload Relays
3RB20, 3RB21, 3RB30, 3RB31 up to 630A for standard applications