Siemens SIRIUS 3RW44 - Technical Data Control Unit

General Technical Data
SIRIUS 3RW44 System Manual
10-12 GWA 4NEB 535 2195-02 DS 04
10.3.3Technical Data Control Unit
Type 3RW44 ..-.BC3. 3RW44 ..-.BC4.
Terminal
Control electronics
Rated values
Rated control supply voltage A1 / A2 / PE V AC 115 AC 230
• Tolerance %
-15 / +10 -15 / +10
Rated control supply current STANDBY mA
30 20
Rated control supply current ON
• 3RW44 2. mA 300 170
• 3RW44 3. mA
500 250
• 3RW44 4. mA
750 400
• 3RW44 5. mA
450 200
• 3RW44 6. mA
650 300
Maximum current (pickup bypass)
• 3RW44 2. mA 1000 500
• 3RW44 3. mA
2500 1250
• 3RW44 4. mA
6000 3000
• 3RW44 5. mA
4500 2500
• 3RW44 6. mA
4500 2500
Rated frequency Hz
50 ... 60 50 ... 60
• Tolerance %
±10 ±10
Type 3RW44 ..
Terminal
Factory presetting
Control electronics
Control inputs
Input 1 IN1 Start motor right parameter set 1
Input 2 IN2
No action
Input 3 IN3
No action
Input 4 IN4
Trip reset
Supply L+ / L-
• Rated operational current mA Approx. 10 per input to DIN 19240
• Rated operational voltage L+ Internal voltage: 24 V DC from
internal supply through terminal L+ to
IN1 ... IN4. Maximum load at L+
approx. 55 mA
L- External voltage: DC external voltage
(to DIN19240) through terminals
L- and IN1 ... IN4
(min. 12 V DC, max. 30 V DC)
Thermistor motor protection input
Input T1/T2 PTC type A or Thermoclick Deactivated
Relay outputs (floating auxiliary contacts)
Output 1 13/14 ON period
Output 2 23/24
No action
Output 3 33/34
No action
Output 4 95/96/98
Group fault
Switching capacity of the relay outputs
230 V / AC-15 A 3 at 240 V
24 V / DC-13 A
1 at24 V
Protection against overvoltages
Protection by means of Varistor through relay contact
Short-circuit protection
4 A gL/gG operational class;
6 A quick (fuse is not included in scope of supply)
Protective functions
Motor protection functions
Trips in the event of Thermal overloading of the motor
Trip class to IEC 60947-4-1 CLASS 5/10/15/20/30 10
Phase failure sensitivity %
>40
Overload warning yes
Reset and recovery Manual/Automatic Manual
Reset option after tripping
Manual/Automatic Manual
Recovery time min.
1...30 1
Device protection functions
Trips in the event of Thermal overloading of the thyristors
Reset option after tripping Manual/Automatic Manual
Recovery time min.
0.5