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Siemens 3RW4036-1BB04

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3RW4036-1BB04

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Marvo Stock ID MV-1JUE
HS Code 85371098
SKU 3RW4036-1BB04
Condition Refurbished
Category Soft Starts
Warranty 12 months
Weight (kg) 3.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 3RW4036-1BB04
Alternative Part Number 3RW40361BB04
Manufacturer Siemens
Category Soft Starts
Operational Voltage Range 200 to 480 V ac
Control Supply Voltage 24 V AC/DC
Operational Current at 40°C 45 A
Operational Current at 50°C 42 A
Operational Current at 60°C 39 A
Mechanical Performance at 400 V 22 kW
Operating Frequency 50 ... 60 Hz
Insulation Voltage Rated Value 600 V
Degree of Pollution 3, according to IEC 60947-4-2
Reference Code Q (according to EN 61346-2)
Width 55 mm
Height 160 mm
Depth 170 mm
Mounting Position Vertical mounting surface +/-90° rotatable, +/- 22.5° tiltable
Required Spacing for Mounting Upwards: 60 mm, At the side: 30 mm, Downwards: 40 mm
Wire Length Maximum 300 m
Number of Poles for Main Circuit 3
Type of Electrical Connection Screw-type terminals for main and auxiliary/control circuit
Number of Auxiliary Contacts 2 NO contacts, 1 CO contact
Ambient Operating Temperature Range -25 ... +60 °C
Storage Temperature Range -40 ... +80 °C
Derating Temperature 40 °C
Protection Class IP20 on the front according to IEC 60529
Touch Protection Finger-safe, for vertical contact from the front according to IEC 60529
Installation Altitude Up to 5,000 m above sea level
Environmental Category During operation: 3K6, 3C3, 3S2, 3M6 (according to IEC 60721)
Integrated Bypass Contact System Yes
Thyristors Yes
Intrinsic Device Protection Yes
Motor Overload Protection Yes
Adjustable Current Limitation Yes
Commodity Code 85371098

The Siemens 3RW4036-1BB04 soft starter is a compact and efficient solution designed to optimise the start-up process of three-phase motors. This device is engineered to reduce the inrush current and limit torque, ensuring a smooth acceleration that minimises mechanical stress and electrical peak loads. With a rated operational current of 45 A at 40°C and the capability to handle motors up to 22 kW at 400 V in a standard circuit, it is a robust choice for a variety of industrial applications.

Featuring an integrated bypass contact system and thyristors, the 3RW4036-1BB04 offers intrinsic device protection and motor overload protection without the need for additional components. The absence of an evaluation of thermistor motor protection allows for straightforward integration into existing systems. The soft starter also provides an external reset function and adjustable current limitation for enhanced control over motor starts.

Constructed with a width of 55 mm, a height of 160 mm, and a depth of 170 mm, this soft starter is designed for space-saving installation and can be mounted using screws or snap-on mounting. It supports a wide operating voltage range of 200 to 480 V AC and has a control supply voltage of 24 V AC/DC, making it versatile for global applications.

The 3RW4036-1BB04 is equipped with screw-type terminals for both the main current circuit and auxiliary and control circuits, ensuring secure and reliable connections. It also features two normally open contacts and one changeover contact for auxiliary functions.

This soft starter is suitable for use in a variety of environments, with an ambient operating temperature range of -25 to +60°C and an installation altitude of up to 5,000 meters above sea level. It is designed with a protection class of IP20 on the front, providing finger-safe touch protection.

Ideal for industries looking to enhance their motor control and reduce wear on mechanical components, the Siemens 3RW4036-1BB04 soft starter is a dependable and practical choice for managing the demands of modern motor starting applications.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the purpose of a soft starter?

A soft starter is designed to control the acceleration of an electric motor by reducing the applied voltage. This helps to decrease the mechanical stress on the motor and the electrodynamic stresses on the attached power cables and electrical distribution network, extending the lifespan of the system.

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

Yes, the Siemens 3RW4036-1BB04 is specifically designed for use with three-phase motors, providing smooth start and stop operations to reduce mechanical stress.

What are the voltage requirements for this soft starter?

The operational voltage range for this soft starter is 200 to 480 V ac, making it suitable for a variety of industrial applications.

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

Yes, the Siemens 3RW4036-1BB04 includes an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.

Does this soft starter offer motor overload protection?

Yes, intrinsic device protection and motor overload protection are built into the soft starter to ensure safe operation and prevent damage to the motor.

What is the rated operational current of this soft starter?

The rated operational current at 40°C is 45 A for this soft starter.

Can the current limitation be adjusted on this soft starter?

Yes, the Siemens 3RW4036-1BB04 allows for adjustable current limitation, providing flexibility and control over the starting current of the motor.

What is the control supply voltage for this soft starter?

The control supply voltage for this soft starter is 24 V, with the option for both AC and DC supply.

What are the dimensions of this soft starter?

The dimensions of the Siemens 3RW4036-1BB04 are 55 mm in width, 160 mm in height, and 170 mm in depth.

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

This soft starter features screw-type terminals for both the main current circuit and the auxiliary and control circuit.

What is the ambient operating temperature range for this soft starter?

The ambient operating temperature range for this soft starter is from -25°C to +60°C.

What is the protection class of the front of this soft starter?

The front of the Siemens 3RW4036-1BB04 has a protection class of IP20, ensuring finger-safe touch protection.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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