3RW4445-6BC34
The Siemens SIRIUS 3RW4445-6BC34 is the 115V control voltage version of the 3RW4445, with a rated current of 280A, 100hp at 230V and 200hp at 460V, and an operating voltage of 200-460V AC. It features screw terminal wiring and a built-in bypass contact.
Product Positioning
The 3RW4445-6BC34 and 3RW4445-6BC44 are twin models with the same current rating, except that the control voltage has been changed to 115V AC, which makes it easier to connect to existing low-voltage control systems.
Core Product Advantages and Features
115V control design
The control power supply is 115V AC, which is suitable for production line environments in North America and other regions that commonly use low-voltage control circuits.
Rated current 280A
It can meet the motor power requirements of 100hp at 230V and 200hp at 460V.
Bypass connection built-in
After startup, it automatically switches to bypass operation to reduce heat loss during long-term operation.
Screw terminal wiring
The main circuit uses busbar connections, and the control circuit uses screw terminals, making construction and wiring simple.
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3RW4445-6BC44
The Siemens SIRIUS 3RW4445-6BC44 standard circuit has a rated current of 313A and an internal delta connection of 542A. The power is 160kW at 400V and 315kW at internal delta connection. The operating voltage is 200-460V AC, and the control voltage is 230V AC. It is suitable for the reduced voltage start-up of medium and large pumps.
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3RW4444-6BC44
The Siemens SIRIUS 3RW4444-6BC44 standard circuit has a rated current of 250A, 433A for internal delta connection, a power of 132kW at 400V, and 250kW for internal delta connection. The operating voltage is 200-460V AC, and the control voltage is 230V AC. It is suitable for reduced voltage starting of medium-sized conveyor belts.
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3RW4444-6BC35
The Siemens SIRIUS 3RW4444-6BC35 is compatible with 400-600V high-voltage power grids. The standard circuit rated current is 215A, and the internal delta current is 372A. Under 575V, the standard current is about 200hp, and the internal delta current is about 350hp. The control voltage is 115V AC, making it suitable for high-voltage power supply heavy industrial production lines.