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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2036-1AK60 |
| Manufacturer | Siemens |
| Category | Power Contactor |
| Rated Operational Current | 70 A |
| Rated Operational Power | 79 kW |
| Rated Operational Voltage | 690 V AC |
| Control Voltage | 110 V AC, 50 Hz / 120 V AC, 60 Hz |
| Number of Poles | 3 |
| Utilisation Category | AC-3e/AC-3 |
| Frame Size | S2 |
| Degree of Protection | IP20; IP00 |
| Electrical Connection Type | Screw-type terminals |
| Main Contacts | 3 Normally Open (3NO) |
| Auxiliary Contacts | Screw-type terminals |
| Conductor Cross-Section (Main Contacts) | Single or multi-stranded: 2x (1 ... 35 mm²), 1x (1 ... 50 mm²) |
| Conductor Cross-Section (Auxiliary Contacts) | Single or multi-stranded: 0.5 ... 2.5 mm², Finely stranded with core end processing: 0.5 ... 2.5 mm² |
| AWG Conductor Cross-Section (Main Contacts) | 2x (18 ... 2), 1x (18 ... 1) |
| AWG Conductor Cross-Section (Auxiliary Contacts) | 2x (20 ... 16), 2x (18 ... 14) |
| B10 Value | 1,000,000 operations |
| Country of Origin | - |
| Commodity Code | 853649 |
The Siemens 3RT2036-1AK60 is a robust power contactor designed for high-performance applications. It operates at a rated current of 70 A and can handle up to 79 kW of power at 690 V AC. This 3-pole contactor is suitable for AC-3e/AC-3 utilisation categories and features a control voltage of 110 V AC at 50 Hz or 120 V AC at 60 Hz. The device is built with screw-type terminals for secure electrical connections and supports various conductor cross-sections. With an IP20/IP00 degree of protection, it ensures reliable operation in industrial environments.
The Siemens 3RT2036-1AK60 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 performance in industrial environments. With a 3-pole configuration and three normally open (NO) contacts, it is capable of managing operating currents up to 70 A at 400 V in AC-1 applications, and 51 A at 400 V in AC-3 applications.
Engineered for a wide range of operating voltages, the 3RT2036-1AK60 can handle up to 690 V AC, making it versatile for various applications. It boasts an impressive mechanical service life of 10 million switching cycles, ensuring longevity and consistent performance. The contactor is equipped with screw-type terminals for secure and reliable connections, both in the main current circuit and the auxiliary and control current circuit.
The device is designed with user safety in mind, featuring an IP20 protection class on the front, providing a degree of protection against solid objects. This contactor is suitable for a variety of applications, including motor control, switching heating loads, capacitors, lighting, and more, making it a valuable component in the industrial automation sector.
Its compact dimensions allow for efficient use of space in control cabinets, while the standardised mounting design ensures easy installation on DIN rails. The Siemens 3RT2036-1AK60 is a testament to Siemens' commitment to quality, offering a dependable solution for controlling powerful loads in industrial settings.
Commonly Asked Questions
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Frequently Asked Questions
What are the main characteristics of this power contactor?
This Siemens power contactor is a 3-pole device with 3 normally open (NO) contacts, rated for 70 A at 400 V in AC-1 applications. It has an operating voltage rating of up to 690 V and is suitable for controlling motors with a power rating of up to 79 kW. The contactor is designed for AC supply and control, with a frequency of 50/60 Hz, and offers an IP20 protection rating for the front and IP00 for the terminals.
Can this contactor be used for safety-related switching off?
Yes, the contactor is suitable for safety-related switching off, making it a reliable choice for applications where safety is a concern.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 690 V, which is the rated value for ensuring safe operation and isolation.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million switching cycles, indicating its durability and longevity in applications.
What type of electrical connection does the contactor have?
The contactor features screw-type terminals for both the main current circuit and the auxiliary and control current circuit, ensuring secure and reliable connections.
What is the operating temperature range for this contactor?
The operating temperature range for the contactor is from -25°C to +60°C, which allows it to function effectively in a variety of environmental conditions.
What are the dimensions of the contactor for installation purposes?
For installation, the contactor requires a clearance of 10 mm forwards, upwards, and downwards, and 6 mm at the side for grounded parts. For live parts, the same clearances apply except at the side, which also requires 10 mm.
How does the contactor handle shock resistance?
The contactor is designed to handle shock resistance with a rectangular impulse at AC of 11.8g for 5 ms or 7.4g for 10 ms, and with a sine pulse at AC of 18.5g for 5 ms or 11.6g for 10 ms.
What is the B10 value of the contactor?
The B10 value of the contactor, with a high demand rate according to SN 31920, is 1,000,000. This value indicates the number of operations before 10% of components of a similar type are expected to fail.
Is the contactor equipped with auxiliary contacts?
Yes, the contactor comes with 1 normally closed (NC) and 1 normally open (NO) auxiliary contact for additional control functionality.
