Product image

Model reference
3RW4038-1BB14

3RW4038-1BB14 SIRIUS Control Systems

Technical SummaryProduct designationSoft starterProduct brand nameSIRIUSSize of engine control deviceS2Rated current at 40 °C72 APower at 400 V37 kWOperating voltage200 ... 480 VControl supply voltage110 ... 230 VControl supply typeAC/DCFastening methodscrew and snap-on mountingMain current circuit connectionscrew-type terminalsAuxiliary and control circuit connectionscrew-type terminalsFront protection classIP20 Key FeaturesSIRIUS soft starterSoft starter for the SIRIUS 3RW40 range.72…

Product tags
Request Current Quote Review Specifications

We confirm price, condition, lead time and warranty terms for your exact model and quantity.

Product Parameters

Product Code
3RW4038-1BB14
Dimensions
19.8 × 15.5 × 7.1 cm
Weight
1.278 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

Technical Summary

Product designation Soft starter
Product brand name SIRIUS
Size of engine control device S2
Rated current at 40 °C 72 A
Power at 400 V 37 kW
Operating voltage 200 … 480 V
Control supply voltage 110 … 230 V
Control supply type AC/DC
Fastening method screw and snap-on mounting
Main current circuit connection screw-type terminals
Auxiliary and control circuit connection screw-type terminals
Front protection class IP20

Key Features

SIRIUS soft starter
Soft starter for the SIRIUS 3RW40 range.
72 A rated current
At 40 °C rated value: 72 A.
37 kW at 400 V
At 400 V standard circuit rated value: 37 kW.
110-230 V AC/DC control supply
Control supply voltage: 110 … 230 V AC/DC.
Screw terminals
Type of electrical connection for the main current circuit and the auxiliary and control circuit: screw-type terminals.
Integrated protection and bypass
Integrated bypass contact system: Yes. Motor overload protection: Yes.

Applications

Controlled motor starting
For soft starting of a motor with adjustable current limitation.
Motor overload protection
For motor protection with motor overload protection and external reset.

Frequently Asked Questions

What is the exact product model of Siemens 3RW4038-1BB14?

It is a SIRIUS soft starter in size S2.

What are the rated current and power of 3RW4038-1BB14?

Rated current is 72 A at 40 °C, and power is 37 kW at 400 V.

What control supply does 3RW4038-1BB14 use?

Control supply voltage is 110 … 230 V AC/DC.

What connection type does 3RW4038-1BB14 use?

The main current circuit and the auxiliary and control circuit use screw-type terminals.

Selection guidance

Confirm the right fit before purchase

We help procurement and maintenance teams turn a partial label or project requirement into a clear model-check request.

01

Model identification

Share the complete model, MLFB or a clear nameplate photo so we can review the product identity.

02

System context

Tell us whether the requirement is for a replacement, cabinet build, expansion or maintenance spare.

03

Commercial check

We confirm quantity, condition, destination, lead time and quotation terms for your order.

Request a quotation

Check supply details for 3RW4038-1BB14

Use the form to send the model, quantity, destination and your requirement. We normally reply within one business day with the available quotation details.

  • The product model is filled in automatically.
  • Add version, interface or replacement questions in the message field.
  • For a partial label, attach the available model details or product photos by email after submitting.
Product RFQ3RW4038-1BB14

* Email is required. Product and project details help us respond accurately.

Related products

View Product Range

3RW4024-1BB05

Siemens 3RW4024-1BB05 SIRIUS soft starter for 400 ... 600 V AC, with 12.5 A at 40 °C, 7.5 kW/500 V,…

in stock View details

3RW4046-1BB15

Siemens 3RW4046-1BB15 is a SIRIUS soft starter S3 with 80 A, 55 kW/500 V, 400 ... 600 V AC operating…

in stock View details

3RW4036-1BB05

Siemens 3RW4036-1BB05 SIRIUS soft starter for the S2 range with 45 A, 30 kW/500 V, 400-600 V AC control supply,…

in stock View details

3RW4024-1BB15

Siemens 3RW4024-1BB15 SIRIUS soft starter S0 with 12.5 A rated current, 7.5 kW at 500 V, and 110-230 V AC/DC…

in stock View details