3RW4075-6BB44 Siemens 356A 200kW Industrial Motor Starter

Siemens SIRIUS Soft Starter 3RW4075-6BB44 Overview

Key Features

• The integrated bypass contact system reduces power loss during motor running conditions.
• Thyristor technology ensures controlled voltage ramp and smooth motor acceleration.
• Adjustable current limitation protects equipment from excessive starting current peaks.
• Built-in motor overload protection enhances operational reliability.
• External reset function enables fast system recovery after trip events.
• Compact S12 housing allows efficient control cabinet installation.

Technical Specifications

• Brand: Siemens SIRIUS industrial automation solutions.
• Model: 3RW4075-6BB44 soft starter controller.
• Rated operational current reaches 356 A at 40 °C.
• Motor power rating supports 200 kW at 400 V three-phase systems.
• Operating voltage range spans 200 to 460 V AC networks.
• Operating frequency supports 50 to 60 Hz industrial supplies.
• Control supply voltage requires 230 V AC input.
• Continuous operating capability reaches 115 percent rated current.
• Minimum load requirement equals 20 percent rated motor current.
• Typical power loss remains approximately 125 W during operation.
• Operating temperature range extends from −25 °C to +60 °C.
• Insulation voltage rated value equals 600 V.
• Protection class rated IP00 for panel mounting installation.

Mechanical Design

• Width measures 160 mm for compact installation inside cabinets.
• Height measures 230 mm for standard mounting compatibility.
• Depth measures 278 mm allowing convenient cable routing.
• Recommended clearance equals 100 mm above for ventilation.
• Side spacing requirement equals 5 mm between adjacent devices.
• Maximum cable length supports up to 300 meters.

FAQ

• Q: Is the product new and original?
  A: Yes, we supply factory new original Siemens equipment.
• Q: Do you have stock available?
  A: Yes, inventory remains available for immediate shipment.
• Q: What motor power does it support?
  A: It supports motors up to 200 kW at 400 V.
• Q: What voltage range does this starter support?
  A: The operational range spans 200 to 460 V AC.
• Q: What shipping carriers do you use?
  A: We ship via DHL, UPS, and FedEx.
• Q: Can I return the unit?
  A: Yes, returns remain accepted within 30 days.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/