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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2038-1AP00 |
| Alternative Part Number | 3RT20381AP00 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Main Contacts Normally Open) + 1NO + 1NC (1 Auxiliary Contact Normally Open + Closed) |
| Rated Operational Current (AC-3) | 80 A at 400 V |
| Rated Operational Voltage | Up to 690 V AC |
| Control Supply Voltage | 230 V AC, 50 Hz |
| Contactor Size | S2 |
| Terminal Type | Screw-type terminals |
| Number of Poles | 3-pole |
| Protection Class | IP20 on the front, IP00 of the terminal |
| Mechanical Service Life | 10 million switching cycles |
| Operating Temperature Range | -25°C to +60°C during operation |
| Storage Temperature Range | -55°C to +80°C |
| Installation Altitude | Up to 2000 m above sea level |
| Surge Voltage Resistance | 6 kV for main and auxiliary circuits |
| Commodity Code | 853649 |
| Dimensions (H x W x D) | 114 mm x 55 mm x 130 mm |
The Siemens 3RT2038-1AP00 is a robust power contactor designed to handle high current applications with ease. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in industrial environments. With a configuration of 3NO (normally open) main contacts and a rating of 90 A at 690 V ac, it is well-suited for managing heavy-duty operations.
The unit is engineered to operate at an AC-3 utilisation category, making it capable of controlling motor loads of up to 37 kW at 400 V. It also features an integrated auxiliary contact with a 1 NO + 1 NC arrangement, providing additional control flexibility. The contactor operates with a control supply voltage of 230 V AC at a frequency of 50 Hz, which aligns with the standard power supply specifications in the UK.
Designed with screw terminals, the Siemens 3RT2038-1AP00 ensures a secure and reliable connection, which is essential for maintaining system integrity under demanding conditions. The contactor's compact dimensions allow for efficient use of space within control cabinets, while its modular design facilitates easy installation and maintenance.
This power contactor is built to withstand challenging industrial settings, offering a surge voltage resistance of 6 kV for both the main and auxiliary circuits. It also boasts a high mechanical service life, which translates to long-term dependability and reduced downtime for machinery and processes.
The Siemens 3RT2038-1AP00 is a testament to Siemens' commitment to quality and performance, providing a dependable solution for controlling high-power circuits in a variety of industrial applications.
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 control voltage of 230 V AC at 50 Hz. It's designed for AC-3 applications up to 80 A and can handle motor control up to 37 kW at 400 V. It also includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.
Can this contactor be used for controlling motors?
Yes, it is suitable for controlling 3-phase motors and has an AC-3 rating, which is specifically intended for motor control applications.
What is the rated operational voltage for this contactor?
The rated operational voltage for this contactor is up to 690 V ac, making it suitable for a wide range of industrial applications.
What type of terminals does this contactor have?
The contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit, facilitating secure and reliable connections.
What is the size of this contactor and how can it be mounted?
The contactor is of size S2 and can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715. It allows for side-by-side mounting with required clearances.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of this contactor is 690 V, which is the maximum voltage for which the contactor is designed to operate.
What is the surge voltage resistance of this contactor?
The surge voltage resistance of this contactor is rated at 6 kV, providing robust protection against voltage spikes.
What are the dimensions of this contactor?
The dimensions of the contactor are 114 mm in height, 55 mm in width, and 130 mm in depth.
What is the protection class of this contactor?
The protection class for the front of this contactor is IP20, and for the terminal, it is IP00.
How can I ensure short-circuit protection when using this contactor?
Short-circuit protection can be ensured by using the appropriate fuse link for the main circuit as specified in the contactor's technical data. It is recommended to use gG or aM type fuses with the specified current ratings for type of coordination 1 or 2.
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