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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1516-1BB40 |
| Alternative Part Number | 3RT15161BB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contactor Size | S00 |
| Number of Poles | 4 |
| Number of NO Contacts | 2 (for main contacts) |
| Number of NC Contacts | 2 (for main contacts) |
| Rated Control Supply Voltage | DC 24 V |
| Operating Current at AC-1 | 18 A at 400 V (at 40 °C ambient temperature), 16 A at 400 V (at 60 °C ambient temperature) |
| Operating Current at AC-3 | 9 A at 400 V |
| Service Power at AC-3 | 4 kW at 400 V |
| Service Power at AC-1 | 11 kW at 400 V |
| Mechanical Operating Cycles | 30,000,000 (typical for contactor) |
| Electrical Connection | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Protection Class IP | IP20 |
| Ambient Temperature Range | -25 … +60 °C during operation, -55 … +80 °C during storage |
| Insulation Voltage | Rated at 690 V |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 m above sea level |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) for auxiliary contacts |
| Width | 45 mm |
| Height | 57.5 mm |
| Depth | 72 mm |
The Siemens 3RT1516-1BB40 is a robust and versatile power contactor designed to handle a variety of switching tasks in industrial applications. Engineered for reliability, this contactor is part of the SIRIUS product family, renowned for its high-quality performance and integration capabilities.
With a compact size S00 footprint, the 3RT1516-1BB40 is suitable for space-saving installations and can be easily integrated into existing setups. It features a 4-pole design with 2 normally open (NO) and 2 normally closed (NC) contacts, making it flexible for various circuit configurations.
This contactor is rated for AC-3 4 kW/400 V and AC-1 18 A, with a control voltage of DC 24 V, ensuring it can manage significant power loads while providing stable operation. The screw connection terminals offer a secure and reliable means of connecting wires, and the device is designed to be finger-safe, providing additional protection against electrical shock.
The 3RT1516-1BB40 operates efficiently within a wide ambient temperature range, making it suitable for challenging environments. It also boasts an impressive mechanical operating life, with typical values of 30 million operating cycles for the contactor itself, and 10 million and 5 million cycles when auxiliary switch blocks or electronics-compatible auxiliary switch blocks are added, respectively.
Designed with a focus on safety and durability, the contactor is equipped with an IP20 protection class rating on the front, ensuring protection against solid objects and a degree of pollution of 3, which indicates a safe operation in industrial conditions with non-conductive pollution.
Overall, the Siemens 3RT1516-1BB40 contactor is a reliable choice for those seeking a high-performance switching solution that offers both flexibility and durability in a variety of industrial applications.
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Frequently Asked Questions
What are the main characteristics of this contactor?
This contactor is a 4-pole device with 2 normally open (NO) and 2 normally closed (NC) contacts. It's suitable for AC-3 applications up to 4 kW at 400 V and for AC-1 applications up to 18 A. It operates with a DC control voltage of 24 V and is designed for screw connection. The size of the contactor is S00, and it has an IP20 protection class on the front.
Can this contactor be used in high-altitude installations?
Yes, the contactor can be installed at altitudes up to 2000 meters above sea level without derating.
What is the insulation voltage rating for this contactor?
The insulation voltage rating for this contactor is 690 V.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 30 million operating cycles, which can vary if auxiliary switch blocks are added.
How does the ambient temperature affect the operating current of this contactor?
The rated operating current at AC-1 is 18 A at 400 V when the ambient temperature is 40°C. At 60°C, the rated operating current decreases to 16 A.
What are the fixing options for this contactor?
The contactor can be fixed using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the power loss at AC-3 400 V for this contactor?
The power loss at AC-3 400 V for the rated operating current per conductor is 0.7 W.
What is the maximum operating frequency for this contactor in AC-1 applications?
The maximum operating frequency for the contactor in AC-1 applications is 1000 operations per hour.
Is the contactor suitable for DC switching applications?
Yes, the contactor can handle DC switching applications. It has specific operating current ratings for DC-1, DC-3, and DC-5 at various voltages.
What type of connection does this contactor have for the main and auxiliary circuits?
The contactor features screw-type terminals for both the main and auxiliary circuits.
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