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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1016-1BB44-3MA0 |
| Alternative Part Number | 3RT10161BB443MA0 |
| Manufacturer | Siemens |
| Contactor Size | S00 |
| Protection Class IP | IP20 |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Operating Cycles | 30,000,000 typical for contactor, 10,000,000 with auxiliary switch block |
| Number of Main Contacts | 3 NO (Normally Open) contacts |
| Operating Current at AC-1/400V | 22 A at 40 °C ambient temperature |
| Operating Current at AC-3/400V | 9 A |
| Operating Current at AC-4/400V | 8.5 A |
| Rated Control Supply Voltage | 24V DC |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Width | 45 mm |
| Height | 57.5 mm |
| Depth | 111 mm |
| Connection Type | Screw-type terminals for main and auxiliary circuits |
| Conductor Cross-Section | Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²) |
| Conductor Cross-Section (Stranded) | With conductor end processing: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Conductor Cross-Section (AWG) | For main contacts: 2x (20 ... 16), 2x (18 ... 14), 1x 12 |
| Auxiliary Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Number of Auxiliary Contacts | 2 NC (Normally Closed) and 2 NO (Normally Open) instantaneous switching contacts |
| Short-Circuit Protection | Required fuse gL/gG: 10 A for auxiliary switch, 35 A for main circuit at type 1 coordination |
| Service Power at AC-2/400V | 4 kW |
| Service Power at AC-3/400V | 4 kW |
| Service Power at AC-4/400V | 4,000 W |
| Pull-in Power of Solenoid (DC) | 3.3 W |
| Holding Power of Solenoid (DC) | 3.3 W |
The Siemens 3RT1016-1BB44-3MA0 is a high-quality contactor engineered for reliability and efficiency in a variety of industrial applications. This compact device is designed to handle AC-3 loads up to 4 kW at 400V and features a 24V DC control circuit voltage. With a size S00 footprint, it is suitable for space-saving installations and can be easily integrated into existing systems.
Constructed with durability in mind, the contactor boasts an impressive mechanical operating cycle life, ensuring long-term performance and reduced maintenance needs. The unit is equipped with 3 normally open (NO) main contacts and 2 normally open (NO) plus 2 normally closed (NC) auxiliary contacts, providing flexibility for a range of control tasks.
The contactor's screw terminal connections facilitate straightforward wiring, while its ability to be mounted via screw or snap-on to a 35 mm standard mounting rail makes installation simple and versatile. With an IP20 protection class on the front and a pollution degree of 3, it is designed to operate reliably even in challenging industrial environments.
This Siemens contactor is a robust solution for controlling motors and other electrical loads, making it an essential component for applications in sectors such as manufacturing, automation, and building services.
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Frequently Asked Questions
What is the rated control supply voltage of this contactor?
The contactor has a rated control supply voltage of 24V DC.
Can this contactor be mounted on a DIN rail?
Yes, it is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the maximum operating altitude for this contactor?
The maximum operating altitude for the contactor is 2,000 metres above sea level.
What are the dimensions of this contactor?
The dimensions are 45 mm in width, 57.5 mm in height, and 111 mm in depth.
What is the ambient temperature range for operating this contactor?
The ambient temperature range for operating the contactor is between -25°C and +60°C.
What type of terminals does this contactor have for electrical connections?
It has screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
How many NO and NC contacts does this contactor have?
The contactor has 3 normally open (NO) contacts for the main contacts and 2 normally open (NO) plus 2 normally closed (NC) contacts for auxiliary contacts.
What is the rated operating current for this contactor at AC-3/400V?
The rated operating current at AC-3/400V is 9A.
What is the mechanical operating cycle of this contactor?
The contactor has a typical mechanical operating cycle of 30 million for the contactor alone, and 10 million with an added auxiliary switch block.
What is the service power rating at AC-3/400V?
The service power rating at AC-3/400V is 4 kW.
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