Datasheet

Relative humidity
• during operating phase % 10 … 90
Resistance against shock a=60 m/s2 (6g) with 10 ms per 3 shocks in all axes
Resistance against vibration f= 4 ... 5.8 Hz, d= 15 mm; f= 5.8 ... 500 Hz, a= 20
m/s²; 10 cycles
Impulse voltage resistance / rated value V 6,000
Field-bound parasitic coupling
• according to IEC 61000-4-3 10 V/m
Insulation voltage / rated value V 690
Conductor-bound parasitic coupling conductor-earth SURGE
• according to IEC 61000-4-5 4 kV main contacts, 2 kV auxiliary contacts
Conductor-bound parasitic coupling conductor-conductor
SURGE
• according to IEC 61000-4-5 2 kV main contacts, 1 kV auxiliary contacts
Conductor-bound parasitic coupling BURST
• according to IEC 61000-4-4 4 kV main contacts, 2 kV auxiliary contacts
Maximum permissible voltage for safe disconnection
• between main circuit and auxiliary circuit V 400
• between control and auxiliary circuit V 300
• between auxiliary circuit and auxiliary circuit V 250
Item designation
• according to DIN 40719 extendable after IEC 204-2 / according
to IEC 750
Q
• according to DIN EN 61346-2 Q
Main circuit:
Operating voltage / at AC-3 / rated value
• maximum V 690
Number of poles / for main current circuit 3
Adjustable response current
• of the current-dependent overload release A 3 … 12
Formula for making capacity limit current 12 x Ie
Formula for interruption capacity limit current 10 x Ie
Emitted mechanical power / for 4-pole three-phase motor
• at 400 V / rated value kW 5.5
• at 500 V / rated value kW 5.5
• at 690 V / rated value kW 7.5
Service power / at AC-3 / at 400 V / rated value kW 5.5
Frequency of operation / at AC-41 / according to IEC 60947-6-2 /
maximum
1/h 750
Frequency of operation / at AC-43 / according to IEC 60947-6-2 /
maximum
1/h 250
3RA6120-1DB32
Page 2/ 02/26/2013
subject to modifications
© Copyright Siemens AG 2013
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