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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2015-2BB42 |
| Alternative Part Number | 3RT20152BB42 |
| Manufacturer | Siemens |
| Type | Power Contactor |
| Poles | 3 Pole |
| Operational Voltage (AC-3) | 400 V ac |
| Operational Current (AC-3) | 7 A |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted by +/- 22.5° |
| Connection Type | Spring-loaded terminals for main, auxiliary, and control current circuit |
| Conductor Cross-section Range | Solid: 0.5 - 4 mm², Stranded: 0.5 - 4 mm², Finely stranded with/without core end processing: 0.5 - 2.5 mm² |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6 kV |
| Protection Class | IP20 on the front and terminals |
| Degree of Pollution | 3 |
| Shock Resistance | Withstands rectangular impulse |
| Mirror Contact | According to IEC 60947-4-1 |
| B10 Value | 1,000,000 operations at high demand rate according to SN 31920 |
| Failure Rate | 100 FIT at low demand rate according to SN 31920 |
| T1 Value for Proof Test | 20 years according to IEC 61508 |
| Safety | Finger-safe protection against electrical shock |
| Certificates/Approvals | General Product Approval, EMC, KC, Functional Safety/Safety of Machinery |
The Siemens 3RT2015-2BB42 is a robust power contactor designed to handle moderate power switching applications with efficiency and reliability. This contactor is part of the SIRIUS product family, known for its high-quality industrial control components. With a 3-pole configuration and a 7 A current rating at AC-3, it can manage 3 kW loads at 400 V AC, making it suitable for a variety of industrial automation tasks.
The unit features a single normally closed (NC) contact and operates with a 24 V DC control voltage. Its compact size S00 allows for space-saving installation, and it is equipped with spring-loaded terminals for secure and maintenance-free wire connections. The contactor is designed for both screw and snap-on mounting, ensuring easy integration into existing systems.
Engineered for durability, the 3RT2015-2BB42 boasts a mechanical service life of up to 30 million switching cycles, highlighting its capability to perform in demanding environments. The contactor is also equipped with IP20 protection on the front and terminals, safeguarding against ingress of solid objects and ensuring operational safety.
This Siemens contactor is a reliable choice for those seeking a high-performance solution for controlling motors and loads in industrial applications. Its design and construction are in line with industry standards, ensuring compatibility and ease of use across a wide range of operational settings.
Commonly Asked Questions
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Frequently Asked Questions
What type of contactor is this?
This is a 3-pole power contactor designed for switching electric motors and other loads. It's part of the SIRIUS 3RT2 series and is suitable for use in AC-3 applications.
Can this contactor be used for safety-related switching off?
Yes, this contactor is suitable for safety-related switching off, making it a reliable choice for applications where safety is a concern.
What is the rated control supply voltage of this contactor?
The rated control supply voltage for this contactor is DC 24V.
What is the maximum operating altitude for this contactor?
The maximum operating altitude for this contactor is 2,000 meters above sea level.
What are the dimensions of this contactor?
The dimensions of the contactor are approximately 70 mm in height, 45 mm in width, and 73 mm in depth.
What type of terminals does this contactor have?
This contactor is equipped with spring-loaded terminals for both the main current circuit and the auxiliary and control current circuit.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of this contactor is 690 V.
What is the mechanical service life of this contactor?
The mechanical service life of this contactor is typically around 30 million operating cycles.
What is the IP protection class of this contactor?
The IP protection class for the front of this contactor is IP20, indicating a basic level of protection against solid objects.
Is this contactor finger-safe?
Yes, this contactor is designed to be finger-safe, providing protection against electrical shock from direct contact.
