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3RW3026-1BB04

Marvo Stock ID: MV-1W92

£372.11 (ex. VAT)

Siemens

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Specifications

Specification Description
Part Number 3RW3026-1BB04
Alternative Part Number 3RW30261BB04
Manufacturer Siemens
Category Soft Starts
Description SIRIUS soft starter for three-phase motors, providing smooth ramp-up and ramp-down to reduce mechanical stress.
Power Rating 11 kW at 400 V
Operational Voltage Range 200 to 480 V ac
Current Rating 25 A
Phases 3 Phase
Frequency 50 Hz, 60 Hz
Mounting Type Snap On Mount with Screw Terminal
Operating Temperature Range -25 to +60 °C during operation
Storage Temperature Range -40 to +80 °C
Derating Temperature 40 °C
Protection Class IP20
Control Voltage 24 V AC/DC
Width 45 mm
Height 125 mm
Depth 150 mm
Commodity Code 853710

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3RW3026-1BB04 Product Description

The Siemens 3RW3026-1BB04 soft starter is a compact and efficient solution designed to optimise the start-up process of three-phase motors. This soft starter is part of the SIRIUS range and is engineered to handle operational currents up to 25 A at 40°C, making it suitable for motors with a power output of up to 11 kW at 400 V in a standard circuit configuration.

Crafted for versatility, the 3RW3026-1BB04 operates effectively within a voltage range of 200 to 480 V AC and is equipped with a 24 V AC/DC control supply voltage, accommodating a wide array of industrial applications. The unit's integrated bypass contact system ensures minimal power loss during operation, contributing to energy efficiency and reduced operational costs.

The device's robust design includes screw terminals for secure and reliable connections, and it is built to withstand an ambient operating temperature range of -25 to +60°C, ensuring consistent performance even in demanding environments. With a width of 45 mm, height of 125 mm, and depth of 150 mm, this soft starter is designed for space-saving installation, and its flexible mounting options allow for easy integration into existing systems.

The 3RW3026-1BB04 is also characterised by its user-friendly interface, which includes a red error indication light for quick diagnostics. It is suitable for a variety of industrial applications, including pumps, fans, compressors, and conveyor systems, where smooth and controlled motor start-up is essential to prevent mechanical stress and extend the lifespan of the equipment.

Overall, the Siemens 3RW3026-1BB04 soft starter is a reliable and practical choice for industrial professionals seeking to enhance their motor control capabilities while prioritising energy efficiency and operational longevity.

Frequently Asked Questions

What is the purpose of a soft starter?

A soft starter is designed to reduce the inrush current and torque of electric motors during start-up. This helps in minimising mechanical stress on the motor and the connected power train, as well as electrical stress on the power distribution network, leading to a smoother and more gradual start-up of the motor.

Can this soft starter be used with three-phase motors?

Yes, the Siemens soft starter is suitable for use with three-phase motors. It is designed to handle the starting requirements of a three-phase motor effectively.

What are the voltage requirements for this soft starter?

The soft starter operates within a voltage range of 200 to 480 V AC, making it versatile for use in various electrical environments.

Is there an integrated bypass contact system in this soft starter?

Yes, the soft starter comes with an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.

What is the maximum operational current for this soft starter at 40 degrees Celsius?

At 40 degrees Celsius, the maximum operational current for the soft starter is rated at 25 A.

What is the ambient temperature range for the operation of this soft starter?

The soft starter can operate within an ambient temperature range of -25 to +60 degrees Celsius.

What type of terminals does this soft starter have for electrical connections?

This soft starter is equipped with screw terminals for secure and reliable electrical connections.

What is the protection class of this soft starter?

The soft starter is rated with a protection class of IP20, indicating a basic level of protection against solid objects.

Can this soft starter be used at different altitudes?

Yes, it can be used at altitudes up to 5,000 meters above sea level without derating.

Does this soft starter have motor overload protection?

No, the soft starter does not have an intrinsic motor overload protection feature. External protection should be used to safeguard the motor from overload conditions.