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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2036-1AL20 |
| Alternative Part Number | 3RT20361AL20 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Poles | 3 Poles |
| Auxiliary Contacts | 1NO/1NC |
| Rated Operational Current | AC-3 50 A |
| Power Rating at 400 V | 22 kW |
| Maximum Operating Voltage | 690 V ac |
| Contactor Size | S2 |
| Terminal Type | Screw-type terminals |
| Insulation Voltage Rated | 690 V |
| Degree of Pollution | 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Maximum Voltage for Safe Isolation | 400 V between coil and main contacts according to EN 60947-1 |
| Protection Class IP | Front: IP20 |
| Mechanical Service Life | Typical 10,000,000 switching cycles |
| Operating Temperature Range | -25...+60 °C |
| Storage Temperature Range | -55...+80 °C |
| Installation Altitude | Maximum 2,000 m above sea level |
| Commodity Code | 853649 |
The Siemens 3RT2036-1AL20 is a robust power contactor designed to handle high switching capacities in industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in automating and controlling motors. With a three-pole configuration and an additional 1NO/1NC auxiliary contact, it offers versatile connection possibilities for a wide range of applications.
Rated for AC-3 usage, this contactor can manage 50 A and is capable of controlling motor power up to 22 kW at 400 V, making it suitable for a variety of demanding tasks. The unit operates with a control voltage of 230 V AC and is compatible with 50/60 Hz power systems, ensuring adaptability to different regional power standards.
The contactor's size S2 footprint allows for efficient use of space within control cabinets, while its screw terminal connections provide a secure and reliable means of integrating into electrical circuits. The device is engineered to withstand the rigours of industrial settings, offering a mechanical service life of up to 10 million switching cycles, which speaks to its durability and long-term performance.
Designed with safety in mind, the Siemens 3RT2036-1AL20 features a finger-safe design to protect users during installation and maintenance. Its insulation voltage is rated at 690 V, and it has a pollution degree of 3, ensuring it can operate reliably even in environments with the presence of conductive contaminants.
This power contactor is a practical choice for those seeking a dependable solution for controlling motors and loads in applications such as manufacturing, processing, and other industrial operations where consistent performance is critical.
Commonly Asked Questions
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Frequently Asked Questions
What are the main characteristics of this power contactor?
This power contactor is a 3-pole device with a 1NO/1NC contact configuration. It's rated for AC-3 50 A and can handle 22 kW at 400 V, with an operating voltage up to 690 V ac. It's designed for screw-type terminal connections and is suitable for use in a variety of industrial applications.
Can this contactor be mounted on a DIN rail?
Yes, the contactor is designed for both screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the size of this contactor?
The contactor is of size S2, with a height of 114 mm, a width of 55 mm, and a depth of 130 mm.
What type of electrical connections does this contactor support?
The contactor supports screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million switching cycles.
What are the operating and storage temperature ranges for this contactor?
The operating temperature range is from -25°C to +60°C, and the storage temperature range is from -55°C to +80°C.
Is there any specific clearance required for installing this contactor?
Yes, when installing the contactor, a clearance of 10 mm is required forwards, upwards, and downwards, with a side clearance of 6 mm for live parts.
What is the protection class of the contactor?
The front of the contactor has a protection class of IP20, and the terminal has a protection class of IP00.
Can this contactor be used in safety-related applications?
The contactor has a mirror contact according to IEC 60947-4-1, but it does not have positively driven operation according to IEC 60947-5-1. It should be evaluated for safety-related applications based on the specific requirements of the system.
What is the rated operating current of this contactor at different voltages?
At AC-1, the rated operating current is 70 A up to 690 V at 40°C ambient temperature. At AC-3, the rated operating current is 51 A at 400 V and 24 A at 690 V.
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