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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RA1315-8XB30-1BB4 |
| Alternative Part Number | 3RA13158XB301BB4 |
| Manufacturer | Siemens |
| Product Function | Reversing contactor |
| Contactor Size | S00 |
| Width | 90 mm |
| Height | 67 mm |
| Depth | 72 mm |
| Reference Code (DIN EN 61346-2) | Q |
| Reference Code (IEC 204-2 / IEC 750) | K |
| Voltage Type | DC |
| Control Supply Voltage | 24 V DC rated value |
| Operating Current (AC-3, 400 V) | 7 A rated value |
| Service Power (AC-3, 400 V) | 3 kW |
| Number of Poles | 3 |
| Connection Type | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Ambient Operating Temperature | -25 … +60 °C |
| Protection Class (Front) | IP20 |
| Approvals | General Product Approval, Declaration of Conformity, Test Certificates, Special Test Certificate |
| Auxiliary Contacts | No NC contacts, No NO contacts per direction of rotation |
The Siemens 3RA1315-8XB30-1BB4 is a high-quality reversing contactor designed for efficient control of motors in various industrial applications. This compact and robust unit is part of the S00 contactor size range and is engineered to facilitate the reversal of motor direction, enhancing operational flexibility. With a width of 90 mm, height of 67 mm, and depth of 72 mm, it is suitable for space-constrained environments.
Featuring a screw connection for secure and reliable installation, the contactor operates with a control supply voltage of 24 V DC. It is capable of handling an operating current of 7 A at AC-3 and 400 V, with a corresponding service power rating of 3 kW at 400 V. This makes it an ideal choice for a wide range of applications requiring precise motor control.
The contactor is designed for easy mounting, with options for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022. It operates within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in diverse working conditions. The front of the unit is protected to IP20, safeguarding against the ingress of solid objects.
This reversing contactor is compliant with relevant industry standards and holds a general product approval with a Declaration of Conformity. It is a versatile and dependable solution for motor control applications, reflecting Siemens' commitment to quality and innovation in industrial control technology.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this reversing contactor?
The reversing contactor is designed to reverse the direction of motor rotation by interchanging two of the three phases of an AC motor. It's commonly used in applications where changing the direction of a motor is necessary, such as conveyors, hoists, or other machinery.
Can this contactor be used with different voltage systems?
This contactor is specifically rated for a control supply voltage of 24 V DC and an operating current at AC-3 at 400 V. It should be used within its specified ratings to ensure proper operation and safety.
What are the dimensions of this contactor?
The contactor has a width of 90 mm, a height of 67 mm, and a depth of 72 mm, making it compact and suitable for installation in various control cabinets and panels.
How is the electrical connection for the main current circuit designed?
The electrical connection for the main current circuit is designed with screw-type terminals, which provide a secure and reliable connection for the main power lines.
What is the ambient temperature range for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius, allowing it to function effectively in a variety of industrial environments.
What is the protection class on the front of the contactor?
The front of the contactor has a protection class of IP20, which means it is protected against solid objects larger than 12.5 mm but not against water. It should be installed in a suitable enclosure to protect against environmental factors.
How can this contactor be mounted?
The contactor can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, which allows for easy installation and removal.
Does this contactor have auxiliary contacts?
This particular model does not come with auxiliary contacts for each direction of rotation. It is focused on the main function of reversing the motor direction.
What approvals does this contactor have?
The contactor comes with a general product approval and a declaration of conformity, indicating that it meets the necessary standards and regulations for industrial use.
What is the rated service power of this contactor at AC-3, 400 V?
The rated service power of the 3RA1315-8XB30-1BB4 at AC-3, 400 V is 3 kW, making it suitable for controlling small to medium-sized motors.
