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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2023-1AG20 |
| Alternative Part Number | 3RT20231AG20 |
| Manufacturer | Siemens |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 40 A |
| Rated Operational Power | 40 kW |
| Rated Operational Voltage | 690 V ac |
| Contactor Size | S0 |
| Supply Voltage Type | AC |
| Control Supply Voltage | 50/60 Hz |
| Degree of Protection | IP20 |
| Installation Altitude | Up to 2000 metres above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -55 … +80 °C |
| Shock Resistance | At AC 7.5g / 5 ms, 4.7g / 10 ms (rectangular impulse); 11.8g / 5 ms, 7.4g / 10 ms (sine pulse) |
| Insulation Voltage | Rated at 690 V |
| Impulse Voltage Resistance | Rated at 6 kV |
| Mechanical Service Life | Typical 10 million switching cycles |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (H x W x D) | 85 mm x 45 mm x 97 mm |
| Pollution Degree | 3 |
| Connection Type | Screw-type terminals for main, auxiliary, and control current circuits |
The Siemens 3RT2023-1AG20 is a robust power contactor designed to handle high switching loads in industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a 3-pole configuration and an operational voltage of up to 690 V ac, it is capable of managing AC-3 category loads up to 4 kW at 400 V. The unit features three normally open (NO) contacts, ensuring a secure and dependable connection for controlling motors and other heavy-duty applications.
Crafted with a finger-safe design, the 3RT2023-1AG20 prioritises user safety and offers an IP20 protection rating on the front, safeguarding against the ingress of solid objects. It is equipped with an auxiliary switch, enhancing its functionality for complex control circuits. The contactor's mechanical service life is impressive, boasting up to 10 million operating cycles, which speaks to its durability and long-term performance.
Installation flexibility is a key advantage of this contactor, with options for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022. Its compact dimensions allow for efficient use of space inside control cabinets. The screw-type terminals provide a secure and reliable connection for both the main and auxiliary circuits.
The Siemens 3RT2023-1AG20 is a testament to engineering excellence, offering a combination of performance, safety, and versatility, making it an ideal choice for a wide range of industrial switching applications.
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, similar to a relay but with higher current ratings.
Can this contactor be used for high-demand applications?
Yes, the Siemens 3RT2023-1AG20 is suitable for high-demand applications, with a mechanical service life of typically 10 million operating cycles.
What is the rated operational current of this contactor?
The rated operational current for this contactor at AC-1 is 40 A up to 690 V, and at AC-3 it is 9 A at 400 V.
What is the coil voltage for this contactor?
The coil voltage for this contactor is AC 110V at both 50 and 60 Hz.
What are the dimensions of this contactor?
The exact dimensions are not specified here, but it is a size S0 contactor, which is a standard size for Siemens contactors in this range.
Is this contactor suitable for three-phase motors?
Yes, the contactor is suitable for controlling three-phase motors and has a power rating of 4 kW at 400 V in AC-3 usage.
What type of terminals does this contactor have?
This contactor is equipped with screw terminals, which are commonly used for secure and reliable connections.
What is the protection class of this contactor?
The protection class for the front of this contactor is IP20, indicating a basic level of protection against solid objects.
Does this contactor have auxiliary contacts?
Yes, it includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for additional circuit control.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 690 V, which is the maximum voltage for which the insulating material is rated.
