3RW4453-6BC45

The 3RW4453-6BC45 is a SIRIUS 3RW44 series soft starter. It has a 500V standard wiring rated capacity of 551A and 355kW, and a control voltage of 230V AC. It features a main circuit with a row-type main circuit and screw-type auxiliary terminals, making it suitable for soft starting medium and large three-phase motors.

Share To

3RW4453-6BC45 SIRIUS 3RW44 Soft Starter 551A 355kW

Product Positioning

The 3RW4453-6BC45 is a soft starter from the Siemens SIRIUS 3RW44 series. It has a rated current of 551A and a rated power of 355kW under 500V power supply, and is suitable for soft start and stop control of medium and large three-phase motors.

Core Product Advantages and Features

Applicable to medium and high voltage power supply

The rated operating voltage covers 400 to 600V AC, with a standard test point of 500V, providing excellent adaptability.

Stable rated current

Rated current 551A, with adjustable current limiting function to protect the motor and power grid.

230V AC control voltage

It uses a common 230V AC control power supply, which is convenient for connecting to existing control systems.

project	Specification
Product Type	SIRIUS 3RW44 Soft Starter
Rated operating voltage	400...600V AC (Standard test point 500V)
Control the power supply voltage	230V AC
Rated current (standard wiring)	551 A
Rated power (standard wiring, 500V)	355 kW
Main circuit connection method	busbar connection
Auxiliary circuit terminal type	Screw terminals
Control method	Phase angle voltage ramp control
Protection function	Motor overload protection, adjustable current limiting, thyristor body protection
Applicable wiring methods	Supports standard wiring and inside-delta wiring
Protection level	IP00 (Requires installation on a control panel with IP54 or higher)
brand	Siemens SIRIUS

Recommend

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.

3RW4453-6BC44

The 3RW4453-6BC44 is a SIRIUS 3RW44 series soft starter. The standard 400V wiring is rated at 551A and 315kW, while the internal delta wiring can reach 954A and 560kW. The dimensions are 510x640x290mm, making it suitable for soft starting applications of medium and large three-phase motors.

3RW4453-2BC35

The 3RW4453-2BC35 is a SIRIUS 3RW44 series soft starter. It has a standard 575V wiring rating of 494A and 500HP, a control voltage of 115V AC, and uses spring-loaded terminals for screwless locking in the auxiliary circuit. This allows for quick wiring and prevents loosening, making it suitable for soft starting large motors.