The Siemens 3RW3027-1BB14 soft starter is a robust and reliable solution for controlling three-phase AC motors. It provides a smooth start-up process, reducing mechanical stress on the motor and connected equipment. With an integrated bypass contact system and a rated operating current of 32A, this soft starter is ideal for applications in industrial automation, HVAC systems, and material handling equipment. It supports a wide voltage range and offers features like adjustable current limitation and motor overload protection, ensuring efficient and safe motor operation.
Product function: Intrinsic device protection, motor overload protection, Evaluation of thermistor motor protection, External reset, Adjustable current limitation, inside-delta circuit
Product component: Motor brake output
Reference identifier acc. to DIN EN 61346-2: Q
Reference indentifier acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750: G
Operating current at 40 °C rated value: 32 A
Operating current at 50 °C rated value: 29 A
Operating current at 60 °C rated value: 26 A
Mechanical power output for three-phase motors at 230 V: 7 500 W
Mechanical power output for three-phase motors at 400 V: 15 000 W
Yielded mechanical performance hp at 200/208 V: 7.5 hp
Operating frequency rated value: 50 ... 60 Hz
Relative negative tolerance of the operating frequency: -10 %
Relative positive tolerance of the operating frequency: 10 %
Operating voltage at standard circuit rated value: 200 ... 480 V
Relative negative tolerance of the operating voltage at standard circuit: -15 %
Relative positive tolerance of the operating voltage at standard circuit: 10 %
Minimum load: 10 %
Continuous operating current [% of Ie] at 40 °C: 115 %
Power loss at operating current at 40 °C: 13 W
Type of voltage of the control supply voltage: AC/DC
Control supply voltage frequency 1 rated value: 50 Hz
Control supply voltage frequency 2 rated value: 60 Hz
Control supply voltage 1 at AC at 50 Hz: 110 ... 230 V
Control supply voltage 1 at AC at 60 Hz: 110 ... 230 V
Control supply voltage 1 at DC: 110 ... 230 V
Display version for fault signal: red
Size of engine control device: S0
Width: 45 mm
Height: 125 mm
Depth: 150 mm
Mounting type: screw and snap-on mounting
Mounting position: With vertical mounting surface +/-10° rotatable, with vertical mounting surface +/- 10° tiltable to the front and back
Required spacing with side-by-side mounting upwards: 60 mm
Required spacing with side-by-side mounting at the side: 15 mm
Required spacing with side-by-side mounting downwards: 40 mm
Wire length maximum: 300 m
Number of poles for main current circuit: 3
Type of electrical connection for main current circuit: screw-type terminals
Type of electrical connection for auxiliary and control current circuit: screw-type terminals
Number of NC contacts for auxiliary contacts: 0
Number of NO contacts for auxiliary contacts: 1
Number of CO contacts for auxiliary contacts: 0
Type of connectable conductor cross-sections for main contacts: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
Type of connectable conductor cross-sections at AWG conductors for main contacts: 1x 8, 2x (16 ... 10)
Type of connectable conductor cross-sections for auxiliary contacts: 2x (0.5 ... 2.5 mm²)
Type of connectable conductor cross-sections at AWG conductors for auxiliary contacts: 2x (20 ... 14)
Installation altitude at height above sea level: 5 000 m
Environmental category: 3K6, 3C3, 3S2, 3M6
Ambient temperature during operation: -25 ... +60 °C
Ambient temperature during storage: -40 ... +80 °C
Derating temperature: 40 °C
Protection class: IP IP20
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