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Siemens IC 10 · 2017
Overload Relays
General data
7
Overview of overload relays – matching contactors
✓
Can be used
--
Cannot be used
1)
"Technical specifications" for the use of overload relays with
trip class
CLASS 20E
can be found in "Short-circuit protection with fuses
for motor feeders" in the Configuration Manuals:
-
"Configuring SIRIUS Innovations – Selection Data for Fuseless and Fused
Load Feeders"
,
-
"SIRIUS Configuration – Selection Data for Fuseless Load Feeders"
.
Overload
relays
Current
measure-
ment
Current
range
Contactors
(type, size, rating in kW)
3RT201.
3RT202.
3RT203.
3RT204.
3RT105.
3RT106.
3RT107.
3TF68/3TF69
S00
S0
S2
S3
S6
S10
S12
14
Type
A
3/4/5.5/7.5 5.5/7.5/11/15/18.5 15/18.5/22/
30/37
37/45/55
55/75/90
110/132/160 200/250
375/450
SIRIUS 3RU21 thermal overload relays
3RU21
3RU211
Integrated
0.11 … 16
✓
--
--
--
--
--
--
--
3RU212
Integrated 1.8 … 40
--
✓
--
--
--
--
--
--
3RU213
Integrated
11 … 80
--
--
✓
--
--
--
--
--
3RU214
Integrated 28 ... 100
--
--
--
✓
--
--
--
--
SIRIUS 3RB30 electronic overload relays
1)
3RB30
3RB301
Integrated
0.1 … 16
✓
--
--
--
--
--
--
--
3RB302
Integrated 0.1 … 40
--
✓
--
--
--
--
--
--
3RB303
Integrated
12.5 … 80
--
--
✓
--
--
--
--
--
3RB304
Integrated 32 ... 115
--
--
--
✓
--
--
--
--
SIRIUS 3RB31 electronic overload relays
1)
3RB31
3RB311
Integrated
0.1 … 16
✓
--
--
--
--
--
--
--
3RB312
Integrated 0.1 … 40
--
✓
--
--
--
--
--
--
3RB313
Integrated
12.5 … 80
--
--
✓
--
--
--
--
--
3RB314
Integrated 32 ... 115
--
--
--
✓
--
--
--
--
SIRIUS 3RB20 electronic overload relays
1)
3RB20
3RB205
Integrated
50 … 200
--
--
--
--
✓
--
--
--
3RB206
Integrated 55 … 630
--
--
--
--
--
✓
✓
✓
3RB201 +
3UF18
Integrated
630 … 820
--
--
--
--
--
--
--
✓
SIRIUS 3RB21 electronic overload relays
1)
3RB21
3RB215
Integrated
50 … 200
--
--
--
--
✓
--
--
--
3RB216
Integrated 55 … 630
--
--
--
--
--
✓
✓
✓
3RB211 +
3UF18
Integrated
630 … 820
--
--
--
--
--
--
--
✓
SIRIUS 3RB22 to 3RB24 electronic overload relays
1)
3RB22, 3RB23
3RB24
3RB2283/
3RB2383/
3RB2483+
3RB2906
0.3 … 25
✓
✓
--
--
--
--
--
--
3RB2906
10 … 100
✓
✓
✓
✓
--
--
--
--
3RB2956
20 … 200
--
✓
✓
✓
✓
--
--
--
3RB2966
63 … 630
--
--
--
--
--
✓
✓
✓
3RB2906
+ 3UF18
630 … 820
--
--
--
--
--
--
--
✓
© Siemens AG 2016