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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1075-6AP36 |
| Alternative Part Number | 3RT10756AP36 |
| Manufacturer | Siemens |
| Category | General Automation |
| Poles | 3 Poles |
| Rated Operational Current | AC-3 400 A |
| Power Rating | 200 kW / 400 V AC (50-60 Hz) / DC operation 220-240 V UC |
| Auxiliary Contacts | 2 NO + 2 NC |
| Size | S12 |
| Mounting Type | Screw fixing |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Connection Type | Screw-type terminals for main and auxiliary circuits |
| Conductor Cross-section | Main contacts: 70 ... 240 mm²; Auxiliary contacts: various, up to 2x (0.75 ... 4 mm²) |
| Insulation Voltage | Rated value 1,000 V |
| Degree of Pollution | 3 |
| Surge Voltage Resistance | Main circuit: 8 kV; Auxiliary circuit: 6 kV |
| Mechanical Service Life | Typical 10,000,000 switching cycles |
| Protection Class | IP00; IP20 with cover / box terminal |
| Ambient Operating Temperature | -25 ... +60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Dimensions (H x W x D) | 214 mm x 160 mm x 225 mm |
| Weight | 9.900 kg |
| Commodity Code | 853649 |
The Siemens 3RT1075-6AP36 is a robust and high-performance power contactor designed to handle significant electrical loads with ease. This contactor is part of the SIRIUS product line, renowned for its reliability and efficiency in various industrial applications. With a size S12 frame, the 3RT1075-6AP36 is capable of managing AC-3 category loads up to 400 A and motor control for power ratings of 200 kW at 400 V in AC applications, making it an ideal choice for heavy-duty operations.
This three-pole contactor is equipped with auxiliary contacts configured as 2 normally open (NO) and 2 normally closed (NC), providing flexibility for control and signalling functions. The contactor's main contacts are also designed to handle high operating currents, ensuring reliable performance in demanding conditions.
The 3RT1075-6AP36 operates with a control supply voltage range of 220-240 V AC/DC, which is suitable for a wide range of industrial power systems. The contactor's screw-type terminals make for secure and straightforward connections, ensuring a stable electrical contact and ease of installation.
With an insulation voltage rated at 1,000 V and a mechanical operating life of approximately 10 million cycles, this contactor is built to last and withstand the rigours of industrial environments. Its ambient operating temperature range of -25 to +60 °C allows for operation in various climatic conditions, and it can be installed at altitudes up to 2,000 metres above sea level without derating.
The Siemens 3RT1075-6AP36 is designed with safety in mind, featuring a protection class of IP00 on the front, which can be enhanced to IP20 with an additional cover or box terminal. This ensures protection against direct contact and solid foreign objects, contributing to the safety of your electrical installations.
Overall, the Siemens 3RT1075-6AP36 power contactor is a dependable and versatile solution for controlling high-power motors and loads in industrial settings, offering both performance and durability.
Commonly Asked Questions
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Frequently Asked Questions
What are the main characteristics of this Siemens contactor?
This Siemens contactor is a power contactor designed for high current applications, with an operational current rating of AC-3 400 A and a power rating of 200 kW at 400 V AC. It features a 3-pole design with auxiliary contacts comprising 2 normally open (NO) and 2 normally closed (NC) contacts. It is suitable for both AC and DC operations.
Can this contactor be mounted side-by-side with other devices?
Yes, the contactor is designed to allow side-by-side mounting with other devices, provided that the required spacing and installation guidelines are followed.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 1,000 V, which is the rated value for ensuring safe operation.
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, ensuring secure and reliable connections.
What is the size of this contactor and how much space is required for installation?
The contactor is of size S12, with dimensions of 214 mm in height, 160 mm in width, and 225 mm in depth. It requires a spacing of 10 mm for grounded parts at the side and various spacings for other orientations as per installation guidelines.
Is there any specific orientation required for mounting this contactor?
The contactor can be rotated +/-180° on a vertical mounting surface and can be tilted forward and backward by +/- 22.5°, providing flexibility in installation.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles, ensuring long-term reliability and performance.
Does this contactor have any certifications or approvals?
The contactor has general product approvals and complies with relevant standards, but for specific certifications, please refer to the product documentation or contact the manufacturer.
What are the ambient operating conditions for this contactor?
The contactor can operate in ambient temperatures ranging from -25°C to +60°C and at an installation altitude of up to 2,000 meters above sea level.
How can I ensure the safety of this contactor during operation?
The contactor is designed with safety features such as finger-safe terminals when touched vertically from the front according to IEC 60529, and it should be installed and operated according to the manufacturer's guidelines.
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