Siemens SIRIUS 3RW44 - Page 134

General Technical Data
SIRIUS 3RW44 manual
9-10 GWA 4NEB 535 2195-02 DS 02
1) Current limit on soft starter set to 350 % I
M
.
2) For intermittent duty S4 with ON period = 70 %, T
u
= 40 °C, stand-alone installation vertical. The quoted
operating frequencies do not apply for automatic mode.
3) Maximum adjustable rated motor current I
M
, dependent on CLASS setting.
Type 3RW44 53 3RW44 54 3RW44 55 3RW44 56 3RW44 57
Power electronics
Rated operational current I
e
551 615 693 780 880
Load rating with rated operational current I
e
• Acc. to IEC and UL/CSA for individual mounting
at 40/50/60 °C, AC-53a A
551/494/438 615/551/489 693/615/551 780/693/615 880/780/693
Smallest adjustable operational current I
M
For the motor overload protection
A
110 123 138 156 176
Power loss
• In operation after completed soft starting with uninterrupted rated
operational current (40 °C) approx. W
159 186 220 214 250
• During starting with current limit set to 350 %
I
M
(40 °C) W 7020 8100 9500 11100 13100
Permissible rated motor current and starts per hour
• Normal starting (Class 5)
- Rated motor current I
M
1)
, starting time 5 s A 551 615 693 780 880
- Starts per hour
2)
1/h 41 41 37 33 22
- Rated motor current
I
M
1)3)
, starting time 10 s A 551 615 693 780 880
- Starts per hour
2)
1/h 20 20 16 13 8
• Normal starting (Class 10)
- Rated motor current I
M
1)
, starting time 10 s A 551 615 693 780 880
- Starts per hour
2)
1/h 20 20 16 13 8
- Rated motor current
I
M
1)3)
, starting time 20 s A 551 615 693 780 880
- Starts per hour
2)
1/h 10 9 6 4 0.3
• Normal starting (Class 15)
- Rated motor current I
M
1)
, starting time 15 s A 551 615 666 723 780
- Starts per hour
2)
1/h 13 13 11 9 8
- Rated motor current
I
M
1)3)
, starting time 30 s A 551 615 666 723 780
- Starts per hour
2)
1/h 6 4 3 1 0.4
• For heavy starting (Class 20)
- Rated motor current I
M
1)
, starting time 20 s A 551 591 633 670 710
- Starts per hour
2)
1/h 10 10 7 8 8
- Rated motor current
I
M
1)3)
, starting time 40 s A 551 591 633 670 710
- Starts per hour
2)
1/h 4 2 1 1 0.4
• For very heavy starting (Class 30)
- Rated motor current I
M
1)
, starting time 30 s A 500 525 551 575 600
- Starts per hour
2)
1/h 6 6 6 6 6
- Rated motor current
I
M
1)3)
, starting time 60 s A 500 525 551 575 600
- Starts per hour
2)
1/h 2 1 1 1 1.5