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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2027-1AP00 |
| Alternative Part Number | 3RT20271AP00 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Poles | 3 Poles |
| Contacts Configuration | 1NO/1NC (1 Normally Open, 1 Normally Closed) |
| Rated Current | 32 A |
| Rated Operational Power | 15 kW @ 400 V |
| Maximum Operating Voltage | 690 V ac |
| Contactor Size | S0 |
| Terminal Type | Screw Terminal |
| Insulation Voltage | Rated at 690 V |
| Degree of Pollution | 3 |
| Altitude of Installation Site | Up to 2,000 metres above sea level |
| Ambient Temperature Range | -25 … 60 °C during operation |
| Shock Resistance | 12.5g / 5 ms and 7.8g / 10 ms |
| Impulse Voltage Resistance | Rated at 6 kV |
| Resistive Loss per Conductor | Typical 2.7 W |
| Apparent Power of Coil | Typical 9.8 V·A |
| Protection Class | IP20 for frontal/front side |
| 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 (H x W x D) | 85 mm x 45 mm x 97 mm |
| Certifications/Approvals | CE, UL, CSA, CCC |
| Safety Related Data | Product function mirror contact acc. to IEC 60947-4-1, B10 value with high demand rate acc. to SN 31920 |
The Siemens 3RT2027-1AP00 is a robust power contactor designed to handle a wide range of switching tasks in industrial environments. This contactor is part of the SIRIUS product family and is engineered to facilitate the control of motor loads or power circuits. With a size S0 footprint, it is compact enough to fit in standard control cabinets, yet powerful enough to switch motors up to 15 kW at 400 V.
This three-pole contactor comes with an integrated auxiliary contact configuration of 1NO/1NC, making it versatile for various control and signalling applications. It is rated for an operating voltage of up to 690 V AC, ensuring compatibility with a broad spectrum of electrical systems. The contactor is designed for AC-3 usage, which is typical for starting and stopping squirrel cage motors.
The 3RT2027-1AP00 features screw terminals for secure and reliable connections and boasts an IP20 protection class on the front, providing a degree of protection against solid objects. It has been designed with user safety in mind, offering finger-safe terminals to reduce the risk of electrical shock during installation and maintenance.
With a mechanical service life of up to 10 million operating cycles, this contactor is built to last, ensuring a long-term, reliable performance in your control systems. Its design allows for straightforward installation and can be mounted on a DIN rail for ease of integration into existing setups.
The Siemens 3RT2027-1AP00 is a testament to Siemens' commitment to quality, reliability, and innovation in industrial control technology. It is a suitable choice for those seeking a dependable solution for controlling powerful motors and electrical loads in a variety of industrial applications.
Commonly Asked Questions
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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, similar to a relay except with higher current ratings. It's suitable for controlling electric motors and other high power loads.
Can this contactor be used to control motors?
Yes, it is specifically designed for controlling motors and is rated for AC-3 usage, which is typical for motor control applications.
What are the voltage ratings for this contactor?
The contactor is rated for use at up to 690 V ac, making it suitable for a wide range of industrial applications.
What is the current rating of this contactor?
The contactor has a current rating of 32 A, which determines the maximum current it can handle safely.
What are the dimensions of this contactor?
The contactor has a height of 85 mm, a width of 45 mm, and a depth of 97 mm, making it compact for its capabilities.
How many poles does this contactor have?
It is a 3-pole contactor, which means it can switch three phases simultaneously.
Does this contactor have auxiliary contacts?
Yes, it comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for additional control circuitry.
What is the insulation voltage of this contactor?
The insulation voltage is rated at 690 V, which is the maximum voltage that the contactor can withstand without risk of electrical breakdown.
What is the power rating for controlling three-phase motors?
For three-phase motors, it has a power rating of 15 kW at 400 V, which is a common requirement in industrial motor applications.
Can this contactor be mounted on a DIN rail?
Yes, it is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the operating frequency of this contactor?
The operating frequency at AC-3 maximum is 750 operations per hour, which indicates how often the contactor can be turned on and off in an hour.
What is the control supply voltage for this contactor?
The control supply voltage at AC 50 Hz is rated at 230 V, which is the standard control voltage for many industrial applications.
Is this contactor suitable for use in safety-related applications?
Yes, it includes a mirror contact feature according to IEC 60947-4-1, making it suitable for safety-related switching off.
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