SIEMENS 3RW4026-1BB04

SIEMENS 3RW4026-1BB04

Product Details

The 3RW4026-1BB04 is a SIRIUS soft starter, size S0. It features:

• Current Rating: 25 A

• Motor Power: 11 kW at 400 V (at 40 °C ambient temperature)

• Operating Voltage: 200-480 V AC

• Control Voltage: 24 V AC/DC

• Connection: Screw terminals

• Mounting: Designed for DIN rail mounting.

• Additional Functions: Includes a starting current limiter.

• Integrated Bypass: The soft starter has an integrated bypass function, which reduces power loss and heat dissipation after the motor has reached its full speed.

Product Parameters

Here's a summary of the key technical specifications for the Siemens 3RW4026-1BB04:

• Article Number (MLFB): 3RW4026-1BB04

• Product Type: Soft Starter

• Series: SIRIUS 3RW40

• Size: S0

• Rated Operational Current (Ie): 25 A

• Rated Power (at 400V, 40°C): 11 kW

• Rated Operating Voltage (Ue): 200 - 480 V AC

• Control Supply Voltage (Us): 24 V AC/DC

• Connection Type: Screw terminals

• Operating Temperature: -25 to +60 °C

• Starting/Stopping Time: Adjustable from 0 to 20 seconds

• Protection Class: IP20

• Net Weight: Approximately 0.708 kg

• Dimensions (L x W x H): Approximately 149 x 45 x 125 mm (Depth varies slightly by source, but this is a common approximation)

• Country of Origin: Czech Republic

Product Advantages

The Siemens 3RW4026-1BB04 soft starter offers several advantages:

• Gentle Motor Starting: It reduces mechanical stress on the motor and connected machinery by smoothly ramping up the motor voltage, minimizing sudden torque peaks and reducing wear and tear. This prolongs the lifespan of the equipment.

• Reduced Current Peaks: By limiting the starting current, it prevents high current surges that can lead to voltage dips in the power supply, reducing strain on the electrical grid and associated components.

• Integrated Bypass Function: The built-in bypass contactor, once the motor reaches full speed, bypasses the thyristors (which control the voltage during startup). This significantly reduces power loss and heat generation during continuous operation, leading to energy savings and a more compact design.

• Space-Saving Design: Its compact size (S0) allows for efficient use of space in control cabinets.

• Easy Commissioning: Simple setup and parameterization contribute to quick installation and commissioning.

• Versatile Control: The 24 V AC/DC control voltage offers flexibility in integration with various control systems.

• Reliability: As a Siemens product, it benefits from high quality standards and robust construction, ensuring reliable operation.

Delivery information：

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Transport: In Stock Ready for Shipment via DHL, TNT, FEDEX, UPS, ARAMEX and etc

Express cooperation: fedex, DHL, UPS and your express account 

Service: Professional Sales provides 24 hours /7 days online service

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Contact information：

Contact person：Luna Chen

Email Address:：sales6@saulplc.com

WhatApp： +86 13358378970

We look forward to your inquiry and will get back to you as soon as possible.

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