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SIEMENS 3RW30271BB14 Soft Starter Motor Control

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.

Authorized Distributors
Source:Newark
Part No:3RW3027-1BB14
Stock:1
Inv Date:05-29-2026
Price: Unit price: $1035.37
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Part No:3RW30271BB14
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1364.11
Buy/RFQ:
Part No:3RW30271BB14
Stock:0
Inv Date:05-29-2026
Price: Unit price: $1195.84
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SIEMENS 3RW30271BB14 Soft Starter Motor Control Specifications:

  • Product brand name: SIRIUS
  • Product feature: integrated bypass contact system, Thyristors
  • 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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Frequently Asked Questions

Where can I buy SIEMENS 3RW30271BB14?

You can click on the BUY or RFQ button to purchase 3RW30271BB14 from an authorized SIEMENS distributor.

How do I troubleshoot issues or seek technical support for part 3RW30271BB14?

You can download the 3RW30271BB14 datasheet or visit the SIEMENS website for support.

Who is the manufacturer of 3RW30271BB14?

SIEMENS

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