Siemens SIRIUS 3RW44 - Technical Data Control Unit

General Technical Data
SIRIUS 3RW44 manual
10-16 GWA 4NEB 535 2195-02 DS 06
10.3.3 Technical Data Control Unit
Type 3RW44 ..-.BC3. 3RW44 ..-.BC4.
Term ina l
Control unit
Rated values
Rated control supply voltage A1 / A2 / PE V 115 AC 230 AC
• 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 ..
Control unit
Te rm in al Factory setting
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 operating current mA Approx. 10 per input according to DIN 19240
• Rated operational voltage L+
Internal voltage: 24 V DC from internal supply
via terminal L+ to IN1 ... IN4. Maximum load at
L+ approx. 55 mA
L-
External voltage: DC externalvoltage
(according to DIN 19240) via terminals L- and
IN1 ... IN4
(min. 12 V DC, max. 30 V DC)
Thermistor motor protection input
Input T1/T2 PTC type A or Thermo click deactivated
Relay outputs (floating auxiliary contacts)
Output 1 13/14 On-time motor
Output 2 23/24
No Action
Output 3 33/34
No Action
Output 4 95/96/98
Group error
Switching capacity of the relay outputs
230 V / AC-15 A 3 at 240 V
24 V / DC-13 A
1 at 24 V
Overvoltage protection
Protection using varistor via relaycontact
Short-circuit protection
4 A utilization category gL/gG;
6 A quick (fuse not included in scope of delivery)
Protective functions
Motor protection functions
Tripping when motor is thermally overloaded
Tripping class according to IEC 60947-4-1 CLASS 5/10/15/20/30 10
Phase loss sensitivity %
>40
Overload warning Yes
Reset and recovery Manual / automatic Manual
Reset option after trip
Manual / automatic Manual
Pre-charge time Min.
1...30 1
Device protection functions
Tripping when thyristors thermally overloaded
Reset option after trip
Manual / automatic Manual
Pre-charge time Min.
0.5
Bypass protection functions
Tripping when bypass contacts thermally overloaded
Reset option after trip
Manual
Pre-charge time Min. 1