Siemens 3RW4443-6BC34

SIRIUS Soft Starter, 203A, 60/70/150HP, 120V, SCRW

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Siemens 3RW4443-6BC34 SIRIUS Soft Starter, 203A, 60/70/150HP, 120V, SCRW — Power Supplies & Controllers
Manufacturer catalogue image
Siemens 3RW4443-6BC34 SIRIUS Soft Starter, 203A, 60/70/150HP, 120V, SCRW — Power Supplies & Controllers
Siemens 3RW4443-6BC34 SIRIUS Soft Starter, 203A, 60/70/150HP, 120V, SCRW — Power Supplies & Controllers
Siemens 3RW4443-6BC34 SIRIUS Soft Starter, 203A, 60/70/150HP, 120V, SCRW — Power Supplies & Controllers

Product Description

RoHS CompliantLifecycle Status:Successor:

The SIRIUS soft starter is a reliable solution for motor control in various applications. It features screw terminals that can handle voltages ranging from 200-460 V AC and 115 V AC, with current ratings of up to 312 A and power handling capabilities of up to 250 HP. The soft starter is designed for standard operation at 180 A and 125 HP, and can operate in temperatures up to 50 °C.

Key Features:

  • Screw terminals for easy connection
  • AC voltage compatibility from 200-460 V and 115 V
  • Current ratings up to 312 A
  • Power handling capabilities of up to 250 HP

Note: This product is a phased-out model. The preferred successor type is the SIRIUS 3RW5, specifically the model >>3RW5543-6HA14<<.

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Payment methods:

Offer details

Best offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
Availability:
1 pc.
On Request
Updated at: 22-08-2026
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Siemens
General technical data
General technical data
Integrated bypass contact system
Yes
Thyristors
Yes
Intrinsic device protection
Yes
Motor overload protection
Yes
Evaluation of thermistor motor protection
Yes

Available Offers

(3)
3RW4443-6BC34 Siemens, Power Supplies & Controllers

Siemens

Available:
1 pc.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Netherlands, member since 2021, 100–499 employees
Warranty:
24 months
3RW4443-6BC34 Siemens, Power Supplies & Controllers

Siemens

Available:
1 pc.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees
Warranty:
24 months

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Documents

Data Sheet

Datasheet for Siemens 3RW4443-6BC34, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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