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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2023-1BB40 |
| Alternative Part Number | 3RT20231BB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 1 Normally Open (NO) / 1 Normally Closed (NC) |
| Rated Operational Current | AC-3 9A |
| Power Rating | 4 kW at 400V |
| Coil Voltage | 24 V dc |
| Number of Poles | 3-Pole |
| Terminal Type | Screw Terminal |
| Size | S0 |
| Protection Class | IP20 on the front |
| Ambient Operating Temperature | -25 … +60 °C |
| Insulation Voltage | Rated at 690V |
| Shock Resistance | At DC 10g / 5 ms, 7.5g / 10 ms (rectangular impulse); 15g / 5 ms, 10g / 10 ms (sine pulse) |
| Impulse Voltage Resistance | Rated value 6 kV |
| Installation Altitude | Up to 2,000 metres above sea level |
| Degree of Pollution | 3 |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Dimensions (W x H x D) | 45 mm x 85 mm x 107 mm |
| Commodity Code | 85364900 |
The Siemens 3RT2023-1BB40 is a robust power contactor designed to handle a variety of switching tasks in industrial applications. This contactor is part of the SIRIUS product family, known for its reliability and efficiency in controlling motors and loads. With a 1NO+1NC configuration, it offers a flexible solution for both normally open and normally closed operations.
Rated for AC-3 usage, this contactor can manage 9 A and 4 kW at 400 V, making it suitable for a wide range of power management requirements. The device operates with a DC 24V control voltage and is equipped with three poles, ensuring compatibility with many system designs. The screw terminal connections provide a secure and durable means of integrating the contactor into your electrical setup.
The compact size of the 3RT2023-1BB40, with dimensions of 45 mm in width, 85 mm in height, and 107 mm in depth, allows for efficient use of space inside control cabinets. Its design also facilitates easy installation on standard mounting rails, making it a convenient choice for both new builds and maintenance tasks.
Engineered to perform in demanding environments, the contactor can operate at installation altitudes up to 2000 meters above sea level and within a temperature range of -25 to +60°C, ensuring consistent performance even in challenging conditions.
The Siemens 3RT2023-1BB40 is a testament to Siemens' commitment to quality and innovation, providing a dependable solution for controlling electrical loads in industrial settings across the United Kingdom and beyond.
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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, suitable for controlling motors and other loads.
Can this contactor be used for safety-related switching off?
Yes, this contactor is suitable for safety-related switching off, as it includes a mirror contact feature according to IEC 60947-4-1.
What is the rated operating voltage for this contactor?
The rated operating voltage for this contactor in an AC-3 utilisation category is up to 690 V.
What are the dimensions of this contactor?
The dimensions of the contactor are 45 mm in width, 85 mm in height, and 107 mm in depth.
What is the rated operating current of this contactor?
The rated operating current at AC-3 at 400 V is 9 A.
What is the coil voltage for this contactor?
The coil voltage for this contactor is 24 V DC.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of this contactor is 690 V.
What is the mechanical service life of this contactor?
The mechanical service life of this contactor is typically 10 million operating cycles.
What type of terminals does this contactor have?
This contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the IP protection class of this contactor?
The protection class IP on the front of this contactor is IP20, providing a degree of protection against solid objects.
How can this contactor be mounted?
This contactor can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the ambient temperature range for operating this contactor?
The ambient temperature range for operating this contactor is between -25 °C and +60 °C.
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