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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2036-3KB40 |
| Alternative Part Number | 3RT20363KB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Utilisation Category | AC-3e/AC-3 |
| Rated Operational Current | 51 A |
| Rated Operational Power | 22 kW / 400 V |
| Number of Poles | 3-pole |
| Control Circuit Voltage | 24 V DC |
| Connection Type | Screw-type terminals for main current circuit; Spring-loaded terminals for auxiliary circuit |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Surge Voltage Resistance | Rated value 6 kV for main and auxiliary circuits |
| Protection Class | IP20 on the front; IP00 of the terminal |
| Product Approvals | General Product Approval, EMC |
| Safety Features | Mirror contact according to IEC 60947-4-1 |
| Dimensions | Height: 112 mm, Width: 55 mm, Depth: 130 mm |
| Commodity Code | 853649 |
The Siemens 3RT2036-3KB40 is a robust power contactor designed to handle high switching capacities efficiently and reliably. This contactor is part of the SIRIUS product family, known for its versatility and performance in a wide range of industrial applications. With an AC-3 rating, it can manage 51 A and 22 kW at 400 V, making it suitable for controlling motors and loads within this capacity.
Crafted for durability, the 3RT2036-3KB40 boasts a mechanical service life of up to 10 million switching cycles, ensuring long-term reliability in demanding operational environments. The contactor features three poles and comes equipped with a 24 V DC coil, providing a secure and energy-efficient operation.
The spring-type terminal design simplifies installation and maintenance, allowing for quick and secure connections. Its compact dimensions and the ability to mount onto a standard 35 mm DIN rail make it a convenient choice for space-constrained setups.
The 3RT2036-3KB40 is engineered to withstand challenging conditions, with an operational temperature range from -25°C to +60°C and an insulation voltage rated at 690 V. Its surge voltage resistance is rated at 6 kV, offering additional protection against voltage spikes.
This power contactor is a reliable solution for industrial automation systems, where consistent performance and ease of use are paramount. Its design and construction reflect Siemens' commitment to quality and efficiency, making it a valuable component for a variety of electrical control applications.
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Frequently Asked Questions
What is the rated operational current for this contactor in an AC-3 utilisation category?
The rated operational current for this contactor in an AC-3 utilisation category is 51 A at 400 V.
Can this contactor be used for controlling motors?
Yes, this contactor is suitable for controlling motors and is rated at 22 kW for 400 V in AC-3 applications.
What is the coil voltage for this contactor?
The coil voltage for the Siemens 3RT2036-3KB40 contactor is 24 V DC.
Is this contactor suitable for three-phase applications?
Yes, the contactor is a 3-pole device, making it suitable for three-phase applications.
What type of terminals does this contactor have?
This contactor is equipped with screw-type terminals for the main current circuit.
What is the IP rating of the front face of this contactor?
The front face of this contactor has an IP20 protection rating.
What are the mounting options for this contactor?
The contactor can be mounted by screwing it in place or snapping it onto a 35 mm standard mounting rail according to DIN EN 50022.
Does this contactor have mirror contacts according to IEC 60947-4-1?
Yes, this contactor includes a mirror contact feature in compliance with IEC 60947-4-1.
What is the typical mechanical service life of this contactor?
The typical mechanical service life of the contactor is 10 million operating cycles.
What safety certifications does this contactor have?
This contactor has general product approvals and EMC certifications, among others.
