SIRIUS 3RV2 motor starter protectors 
  4.10 Technical data 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
453 
4.10  Technical data 
4.10.1  Performance features 
Table 4- 31  Performance features of 3RV2 motor starter protectors 
Feature  3RV20  3RV21  3RV23  3RV24  3RV27  3RV28 
Applications 
  System protection 
✓
1)
 ✓
1)
  --  --  ✓  ✓ 
  Motor protection 
✓  --  --  --  --  -- 
  Motor protection with overload 
relay function 
--  ✓  --  --  --  -- 
  Starter combinations 
--  --  ✓  --  --  -- 
  Transformer protection 
--  --  --  ✓  ✓  ✓ 
Size  S00, S0  S00, S0  S00, S0  S00, S0  S00  S00 
Rated current I
n
 
  Size S00 
A  Up to 16  Up to 16  Up to 16  Up to 16  Up to 15  Up to 15 
  Size S0 
A  Up to 40  Up to 32  Up to 40  Up to 25  --  -- 
Rated operational voltage U
e
 
acc. to IEC 
V  690 AC
2)
  690 AC
2)
  690 AC
2)
  690 AC
2)
  AC 690  AC 690 
Rated frequency  Hz  50 / 60  50 / 60  50 / 60  50 / 60  50 / 60  50 / 60 
Tripping class  CLASS 10  CLASS 10  --  CLASS 10  --  -- 
Thermal overload release  A  0.11 to 0.16 
to  
34 to 40 
0.11 to 0.16 
to  
27 to 32 
Without
3)
  0.11 to 0.16 
to  
20 to 25 
0.16 ...  15 
fixed setting 
0.16 to 15 
fixed 
setting 
Overcurrent release 
Multiple of the rated current 
13x  13x  13x  20x  13x  20x 
Short-circuit breaking capacity 
I
cu
 at 400 V AC 
kA  20 / 55 / 
100 
55 / 100  20 / 55 / 100 55 / 100 
4)
 
4)
 
✓ = Supports this function 
-- = Does not support this function 
1)
  If all 3 phases are under symmetrical load 
2) 
  With molded-plastic enclosure 500 V AC 
3) 
  Appropriate overload relays must be provided for motor overload protection 
4) 
  Acc. to UL 489 at 480 V/277 V AC: 65 kA