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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1325-1BB40 |
| Alternative Part Number | 3RT13251BB40 |
| Manufacturer | Siemens |
| Contact Configuration | 4 Normally Open (NO) contacts |
| Rated Operational Current AC-1 | 35 A at 400 V |
| Rated Operational Current AC-3 | 17 A at 400 V |
| Rated Control Supply Voltage | 24 V DC |
| Operating Current at DC-1 | 35 A at 24 V, 4.5 A at 110 V |
| Operating Power at AC-1 | 22 kW at 400 V |
| Operating Power at AC-3 | 7.5 kW at 400 V |
| Mechanical Service Life | 10 million operating cycles |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Height | 85 mm |
| Width | 61 mm |
| Depth | 101 mm |
| Required Spacing | 6 mm to grounded parts at the side |
| Electrical Connection | Screw-type terminals for main current circuit and auxiliary/control current circuit |
| Degree of Pollution | 3 |
| Protection Class | IP20 on the front, IP00 of the terminal |
| Ambient Temperature Range | -25 to +60 °C during operation |
| Installation Altitude | Up to 2000 m above sea level |
| Short-Circuit Protection | Fuse gL/gG: 63 A for type of coordination 1, 25 A for type of coordination 2 |
The Siemens 3RT1325-1BB40 is a robust and reliable contactor designed for a wide range of industrial applications. This high-quality component is engineered to facilitate the control of electric motors and loads, ensuring efficient operation within your electrical systems. With a configuration of 4 normally open (NO) contacts and a rated operating current of 35 A, it is well-suited for AC-1 applications. The contactor operates with a control supply voltage of 24 V DC, making it compatible with various DC control systems.
Constructed to fit into a size S0 frame, the 3RT1325-1BB40 features screw terminals for secure and straightforward electrical connections. Its compact dimensions allow for efficient use of space within control cabinets, while the device's design supports both screw and snap-on mounting onto standard 35 mm DIN rails, providing flexibility in installation.
The contactor is built to withstand challenging industrial environments, with an operational temperature range of -25 to +60 degrees Celsius and the capability to function at installation altitudes of up to 2000 metres above sea level. It boasts a mechanical service life of up to 10 million operating cycles, indicating its durability and long-term reliability.
Siemens has designed the 3RT1325-1BB40 with a focus on performance and quality, ensuring that it meets the rigorous demands of industrial applications. Its robust construction and reliable operation make it a valuable component for those seeking to maintain or enhance the efficiency of their electrical systems.
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Frequently Asked Questions
What type of contactor is this?
This is a 4-pole contactor suitable for AC-1 applications, with a 35 A operating current at 400 V and a control supply voltage of 24 V DC.
Can this contactor be mounted on a DIN rail?
Yes, it can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the size of this contactor?
The contactor is of size S0, with dimensions of 85 mm in height, 61 mm in width, and 101 mm in depth.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million operating cycles.
What are the ambient operating temperature limits for this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
What type of terminals does this contactor have?
It has screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the IP protection class of the contactor?
The front of the contactor has an IP20 protection class, while the terminal has an IP00 protection class.
What is the maximum altitude for installing this contactor?
The contactor can be installed at a maximum altitude of 2000 metres above sea level.
What is the operating power at AC-1 for this contactor?
At AC-1 and 400 V, the rated operating power of the contactor is 22 kW.
How many NO contacts does the contactor have for main contacts?
The contactor has 4 normally open (NO) contacts for main contacts.
Part conditions explained
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