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Siemens Soft Starter 7.5 kW 400V AC 3 Phase IP20 3RW3018-1BB14
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Brand | Siemens |
| Model | 3RW3018-1BB14 |
| IP Rating | IP20 |
| Overall Length | 151mm |
| Series | 3RW30 |
| Overall Width | 45mm |
| Power Rating | 7.5kW |
| Number of Phases | 3 |
| Standards/Approvals | CCC Certified, CE Certified, CSA Certified, EAC Certified, UL Listed |
| Maximum Supply Voltage | 400V ac |
| Overall Depth | 95mm |
| Better World Claim | Concentrated or Compact Solution, Saves Energy |
Key Features
- Compact design fitting DIN rail with overall dimensions 151mm x 45mm x 95mm.
- Provides smooth motor start by limiting torque and ramping voltage gradually.
- Integrated bypass enables continuous motor run after start-up phase.
- Auxiliary contacts support interlocking and control of pumps and external devices.
- Suitable for replacing DOL and Star-Delta self-starters.
- Control voltage compatible with 110-230V AC without transformer requirement.
- Status indicators provide clear feedback on device operation and faults.
- Constructed with concentrated and energy-saving technology for industrial use.
Product Description
Siemens 3RW3018-1BB14 is a 7.5 kW soft starter designed for 3-phase AC electric motors operating at 400V AC. This IP20-rated unit is engineered to protect motors by gradually increasing voltage during startup, thereby reducing mechanical stress and electrical peak currents.
The compact Siemens 3RW30 series soft starter mounts easily on DIN rails, saving control panel space with dimensions of 151mm length, 45mm width, and 95mm depth. Its integrated bypass allows the motor to run continuously after the startup phase, enhancing operational efficiency.
Auxiliary contacts provide functionality to control interlocks and automate external devices such as pumps, while status indicators clearly communicate start-up completion and fault conditions. Control voltage flexibility (110V to 230V AC) ensures compatibility with a range of power supplies.
With certifications including CCC, CE, CSA, EAC, and UL listing, Siemens 3RW3018-1BB14 meets stringent international standards. Its concentrated and compact design supports energy savings and reliable industrial automation.
This soft starter is ideal for applications in industrial motor control, manufacturing, HVAC systems, and water treatment processes where smooth starting and motor protection are critical. The product is manufactured in the Czech Republic.
Compact DIN rail mounting for space-saving installations. Smooth motor start by limiting torque and voltage ramping. Integrated bypass for continuous motor operation post startup. Auxiliary contacts for pump and interlocking control.
Status indicators for operational and fault feedback. Wide control voltage range, suitable for diverse mains supplies. Certified to international standards for safety and reliability. Energy-efficient concentrated design reducing operational cost.
Suitable for replacing direct-on-line (DOL) and Star-Delta starters. Explore Siemens Soft Starters and automation products on EnvMart for enhanced industrial motor control solutions.
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Frequently Asked Questions
The Siemens Soft Starter 3RW3018-1BB14 has a power rating of 7.5 kW.
This model operates at a maximum supply voltage of 400V AC.
The 3RW3018-1BB14 has an IP20 rating, indicating it is suitable for indoor use with protection against solid objects greater than 12.5 mm.
The overall dimensions of the Siemens Soft Starter are 151mm in length, 45mm in width, and 95mm in depth.
The integrated bypass allows the motor to run continuously after the startup phase, enhancing operational efficiency.
It is compatible with a control voltage range of 110V to 230V AC without requiring a transformer.
This soft starter is certified with CCC, CE, CSA, EAC, and UL listings, meeting stringent international standards.
It is designed for 3-phase AC electric motors operating at 400V AC.
This model is suitable for applications in industrial motor control, manufacturing, HVAC systems, and water treatment processes.
Auxiliary contacts provide functionality to control interlocks and automate external devices such as pumps.
The Siemens Soft Starter 3RW3018-1BB14 is manufactured in the Czech Republic.
This soft starter belongs to the 3RW30 series, which is known for its compact design and energy-saving technology.
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