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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RA2315-8XB30-1BB4 |
| Manufacturer | Siemens |
| Product Type | Reversing Contactor Assembly |
| Poles | 3 Poles |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 7 A |
| Power Rating at 400 V | 3 kW |
| Maximum Operating Voltage | 690V ac |
| Control Voltage | 24 V DC |
| Size | S00 |
| Connection Type | Screw-type terminals |
| Auxiliary Contacts | Yes |
| Insulation Voltage | Rated at 690V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class | IP20 on the front |
| Shock Resistance | 9.8g / 5 ms and 5.9g / 10 ms |
| Commodity Code | 853649 |
| Special Features | Electrical and mechanical interlocking, suitable for use in controlling reversing motor loads |
The Siemens 3RA2315-8XB30-1BB4 is a high-quality reversing contactor assembly designed for efficient control of motor operations in a variety of industrial applications. This compact and robust unit is part of the SIRIUS product family, renowned for reliability and performance. With a 3-pole configuration and three normally open (NO) contacts, it is capable of handling operating currents up to 7 A at AC-3 and motor power of 3 kW at 400 V.
The contactor is engineered for a maximum operating voltage of 690 V AC, ensuring compatibility with a wide range of electrical systems. It features a 24 V DC control supply voltage, which is commonly used in industrial control circuits. The contactor's screw-type terminals provide a secure and reliable connection for both the main and auxiliary circuits.
Designed with a size S00 footprint, the contactor allows for space-saving installation and is suitable for mounting on a standard 35 mm DIN rail. It also includes both electrical and mechanical interlocks for enhanced safety and prevention of reverse operations.
The Siemens 3RA2315-8XB30-1BB4 is built to withstand challenging industrial environments, with an operational temperature range of -25 to +60 °C and a mechanical service life of 10 million switching cycles, highlighting its durability and long service life. The front of the unit is protected to IP20, offering a degree of protection against solid objects.
This reversing contactor assembly is a reliable solution for industrial automation tasks requiring directional control of motors, such as conveyor systems, pumps, fans, and machine tools. Its robust construction and Siemens' commitment to quality make it a preferred choice for professionals seeking a dependable motor control solution.
Commonly Asked Questions
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Frequently Asked Questions
What type of contactor is this?
This is a reversing contactor assembly designed for switching motors and primarily used for reversing the direction of motor shafts.
What are the electrical specifications of this contactor?
The contactor is a 3-pole device with 3NO (normally open) contacts, rated for 7 A and 3 kW at 400 V, with an insulation voltage up to 690V ac.
Can this contactor be used for high-frequency applications?
The operating frequency at AC-3 for this contactor is a maximum of 750 1/h, which may not be suitable for high-frequency applications.
What is the control supply voltage for this contactor?
The control supply voltage for this contactor is 24 V DC.
What is the size of the contactor and how can it be mounted?
The contactor is of size S00 and can be mounted using screw and snap fitting on a 35 mm DIN rail.
What type of terminals does this contactor have?
This contactor features screw-type terminals for both the main current circuit and the auxiliary and control circuit.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million switching cycles.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
Does this contactor have any certifications?
Yes, the contactor comes with a Declaration of Conformity and may include other test certificates depending on the specific requirements.
What is the protection class of this contactor?
The protection class on the front of this contactor is IP20.
