3RW4074-6BB35
The 3RW4074-6BB35 supports high-voltage main circuits from 400 to 600V AC, with a control power supply of 115V AC and a rated current of 280A. It is commonly used in large three-phase motor starting applications in North American standard switchboards.
Product Positioning
The 3RW4074-6BB35 is a model in the 3RW4074 series that supports high voltage levels from 400 to 600V AC. It is equipped with a 115V AC control power supply and is suitable for three-phase motor start-stop applications with US standard control circuits.
Core Product Advantages and Features
High voltage main circuit
The main circuit voltage range is 400 to 600V AC, covering factory power distribution systems with higher voltage levels.
115V control circuit
The control voltage is 115V AC, making it easy to connect to the power supply of control boxes of common North American specifications.
280A rated current
With a rated power of 200kW at 500V, it can support the starting needs of medium and large three-phase motors.
Thyristor bypass technology
After startup, it switches to bypass operation to reduce heat generation and extend the life of internal components.
Recommend
Read More
3RW4074-6BB44
The 3RW4074-6BB44 has a rated current of 280A and is compatible with 200 to 460V AC and 230V AC control power supplies. It features an S12 chassis with screw terminal wiring, smooth start-up, and bypass power saving and overload protection mechanisms.
Read More
3RW4074-6BB34
The 3RW4074-6BB34 main circuit covers 200 to 460V AC, and the control power supply adopts a 115V AC design. It has the same current specification as the 6BB44 version, the difference lies in the selection of control loop voltage.
Read More
3RW4074-2BB44
The 3RW4074-2BB44 and 6BB44 have the same electrical specifications, both rated at 280A. The difference lies in the auxiliary control circuit, which uses spring-clamp terminals for quick and secure wire clamping, making it suitable for production line distribution panels that require frequent maintenance.