3RW4455-6BC35

The 3RW4455-6BC35 is a SIRIUS 3RW44 series soft starter. With standard 575V wiring, it is rated at 615A and 700HP. With internal delta wiring, it can reach 1065A and 1200HP. The control voltage is 115V AC, making it suitable for soft start and stop applications of high-power motors.

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3RW4455-6BC35 SIRIUS 3RW44 Soft Starter 615A 700HP Model

Product Positioning

The 3RW4455-6BC35 is a soft starter from the Siemens SIRIUS 3RW44 series. It has a rated current of 615A and a rated power of 700HP under a 575V power supply, and is suitable for soft start and stop control of large three-phase motors.

Core Product Advantages and Features

High power output capability

With a standard 575V wiring configuration and a rated power of up to 700HP, it can handle large pump and fan loads.

Supports internal delta wiring

When using internal delta wiring, the current can reach 1065A, the power is increased to 1200HP, and the application range is expanded.

115V AC control voltage

It uses a 115V AC control power supply, which is suitable for applications with specific control circuit voltage requirements.

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project	Specification
Product Type	SIRIUS 3RW44 Soft Starter
Rated operating voltage	400...600V AC (Standard test point 575V)
Control the power supply voltage	115V AC
Rated current (standard wiring)	615 A
Rated power (standard wiring, 575V)	700 HP
Rated current (internal delta connection)	1065 A
Rated power (internal delta connection, 575V)	1200 HP
Main circuit connection method	Screw terminals
Control method	Phase angle voltage ramp control
Protection function	Motor overload protection, adjustable current limiting, thyristor body protection

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