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.

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3RW4453-2BC35 SIRIUS 3RW44 Soft Starter 494A Spring Terminal Version

Product Positioning

The 3RW4453-2BC35 is a soft starter from the Siemens SIRIUS 3RW44 series. It has a rated current of 494A and a rated power of 500HP under 575V power supply. The auxiliary circuit adopts a spring terminal design for easy and quick wiring.

Core Product Advantages and Features

Spring-type auxiliary terminal

The auxiliary circuit does not require a screwdriver for securing; simply press it in to connect the wires. It is not prone to loosening due to vibration during long-term use.

Suitable for high voltage power supply

The rated operating voltage covers 400 to 600V AC, with a standard test point of 575V, providing excellent adaptability.

Stable current output

Rated current 494A, with adjustable current limiting function to protect the motor and power supply system.

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)	494 A
Rated power (standard wiring, 575V)	500 HP
Main circuit connection method	busbar connection
Auxiliary circuit terminal type	Spring-type 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

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