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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2023-2BB40 |
| Alternative Part Number | 3RT20232BB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current (AC-3) | 40 A |
| Rated Operational Power (AC-3) | 40 kW at 690 V ac |
| Supply Voltage Category | AC (Supply); DC (Control) |
| Control Supply Voltage | 24 V DC |
| Operating Frequency | Up to 1000 1/h at AC-3 |
| Insulation Voltage | Rated at 690 V |
| Degree of Protection | IP20 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Connection Type | Spring-loaded terminals for main current circuit; Spring-loaded terminals for control circuit |
| Operating Temperature Range | -25°C to +60°C (without derating) |
| Commodity Code | 853649 |
| Dimensions (H x W x D) | 102 mm x 45 mm x 107 mm |
The Siemens 3RT2023-2BB40 is a robust power contactor designed to handle high switching capacities efficiently and reliably. This contactor is part of the SIRIUS product range and is engineered to facilitate smooth and safe switching of motor loads while also being suitable for a variety of other applications.
With a 3-pole configuration and an inclusion of 3 normally open (NO) contacts, this contactor is capable of managing operating currents up to 40 A at AC-1 and 9 A at AC-3, at 400 V. It is also adept at handling motor control tasks, with an operating power of 4 kW at 400 V in AC-3 category, making it an ideal choice for a wide range of industrial applications.
The 3RT2023-2BB40 is equipped with spring-loaded terminals, ensuring a secure and maintenance-free electrical connection that is both time-saving and reliable. The contactor's coil operates at a DC control supply voltage of 24 V, which contributes to its low energy consumption and reduced heat generation.
Designed with user safety in mind, the contactor boasts an IP20 protection rating on the front, providing a degree of protection against solid objects. Its compact dimensions allow for efficient use of space inside control cabinets, and it can be mounted easily onto a standard 35 mm DIN rail.
This contactor is a testament to Siemens' commitment to quality and durability, offering a mechanical service life of up to 10 million operating cycles. It is a versatile and dependable solution for those in need of a high-performance contactor for their industrial control systems.
Commonly Asked Questions
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Frequently Asked Questions
What is the rated control supply voltage of this contactor?
The rated control supply voltage for the Siemens Power Contactor is DC 24V.
Can this contactor be used for switching motors?
Yes, this contactor is suitable for switching motors and is rated for AC-3 usage up to 4 kW at 400V.
What is the maximum operating voltage for this contactor?
The maximum operating voltage for this contactor is 690 V ac.
What type of terminals does this contactor have?
This contactor is equipped with spring-loaded terminals for the main current circuit as well as for the auxiliary and control current circuit.
What is the size of this contactor?
The contactor is of size S0, which is a standard size in the Siemens contactor range.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 690 V.
How many poles does this contactor have?
The contactor has 3 poles for the main current circuit.
What is the IP protection class of this contactor?
The contactor has an IP20 protection class rating for both the front and terminal.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
How many auxiliary contacts does this contactor have?
This contactor comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles.
Can this contactor be mounted on a DIN rail?
Yes, this contactor can be mounted on a 35 mm standard mounting rail according to DIN EN 60715.
