contactor

The Siemens 3RW4056-6BB44 soft starter uses thyristor phase control to provide smooth voltage ramp start and stop, reduce motor starting surge current, and has built-in bypass contacts and overload protection functions. It is widely used in industrial equipment such as pumps, fans, and conveyors.

The 3RW4056-6BB34 is a SIRIUS series soft starter that starts a three-phase induction motor using a voltage ramp method, reducing the impact on the power grid and mechanical transmission during startup. It has built-in bypass contacts and motor overload protection, and the startup parameters can be flexibly adjusted and set according to the characteristics of the load on site.

The Siemens SIRIUS 3RW4055 soft starter uses thyristor phase control to achieve voltage ramp start and stop, and is suitable for small and medium-sized three-phase induction motors. It has built-in bypass contacts to reduce operating heat and has motor thermal overload protection. It is commonly used in general industrial applications such as pumps and fans.

The 3RW4055-6BB44 is a Siemens SIRIUS simplified soft starter that uses voltage ramp control to reduce motor starting surge current, thereby reducing the impact on the power supply system and mechanical structure. It has built-in bypass contacts and overload protection functions and is suitable for the starting needs of general small and medium-sized industrial motors.

The Siemens 3RW4055-6BB35 soft starter uses thyristor phase control to smoothly start three-phase motors. It has built-in bypass contacts to reduce heat generation and energy consumption during full-speed operation, and has motor overload protection. It is suitable for common industrial loads such as pumps, fans, and conveyors.

The 3RW4055-6BB34 is a simplified soft starter in the Siemens SIRIUS 3RW40 series S6 housing. It has a rated operating voltage of 200 to 460V, a rated current of 117A at 50°C, a bus terminal for the main circuit, and a 115V AC control power supply. It features built-in adjustable current-limiting start and overload protection and is suitable for high-current three-phase motor applications.

The 3RW4047-1TB04 is a simplified soft starter in the Siemens SIRIUS 3RW40 series S3 housing. It has a rated current of 98A at 50°C, a control power supply voltage of 24V AC/DC, and a thermistor (PTC) input terminal to receive motor temperature sensing signals, providing more immediate overheat protection.

The 3RW4047-1BB15 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated operating voltage ranging from 400 to 600V, a rated current of 98A at 50°C, and is compatible with 75HP motors at both 460V and 575V. The control power supply voltage is 24V AC/DC.

The 3RW4047-1BB14 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated operating voltage of 200 to 480V, a rated current of 98A at 50°C, and a 75HP capacity at 460V. The control power supply voltage covers 110 to 230V AC/DC, eliminating the need for an additional control transformer.

The 3RW4047-1BB04 is a standard soft starter in the Siemens SIRIUS 3RW40 series S3 housing. It has a rated operating voltage of 200 to 480V, a rated current of 98A at 50°C, and a 75HP capacity at 460V. The control power supply voltage is 24V AC/DC, making it suitable for use with general low-voltage automation control circuits.

The 3RW4046-1BB15 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated operating voltage ranging from 400 to 600V, a rated current of 73A at 50°C, a capacity of 50HP at 460V and 60HP at 575V, and a control power supply voltage of 24V AC/DC.

The 3RW4046-1BB14 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated operating voltage of 200 to 480V, a rated current of 73A at 50°C, and a capacity of 50HP at 460V. The control power supply voltage covers 110 to 230V AC/DC, eliminating the need for a separate control transformer.

The 3RW4046-1BB04 is a standard soft starter in the Siemens SIRIUS 3RW40 series S3 housing. It has a rated operating voltage of 200 to 480V, a rated current of 73A at 50°C, and a rated current of 50HP at 460V. The control power supply voltage is 24V AC/DC, making it suitable for use with general low-voltage automation control circuits.

The 3RW4038-1BB15 is a Siemens SIRIUS 3RW40 series S2 housing soft starter with a rated operating voltage ranging from 400 to 600V, a rated current of 62A at 50°C, a power consumption of 40HP at 460V and 60HP at 575V, and a control power supply voltage of 24V AC/DC.

The 3RW4038-1BB14 is a Siemens SIRIUS 3RW40 series S2 housing soft starter with a rated operating voltage of 200 to 480V, a rated current of 62A at 50°C, and a capacity of 40HP at 460V. The control power supply voltage covers 110 to 230V AC/DC, eliminating the need for a separate control transformer.