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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1055-6AP36 |
| Alternative Part Number | 3RT10556ap36 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Poles | 3 Pole |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 150 A |
| Power Rating at 400 V ac/dc | 75 kW |
| Control Supply Voltage | AC/DC 220 to 240 V |
| Size | S6 |
| Connection Type | Bar Connections |
| Operating Mechanism | Conventional Operating Mechanism with Screw Terminal |
| Protection Class | IP00 on the front |
| Ambient Operating Temperature | -25 to +60 °C |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Commodity Code | 853649 |
| Installation Altitude | Up to 2,000 metres above sea level |
The Siemens 3RT1055-6AP36 is a robust power contactor designed to handle high current applications with ease. This three-pole contactor is equipped with three normally open (NO) contacts and is capable of managing loads up to 150 A. It is specifically engineered to control motors, delivering an impressive performance with a power rating of 75 kW at 400 V AC in AC-3 usage categories.
Crafted for reliability and durability, the 3RT1055-6AP36 boasts a mechanical service life of up to 10 million switching cycles, ensuring long-term operation without the need for frequent maintenance. The contactor operates with a control supply voltage of 220 to 240 V AC/DC, making it versatile for various industrial power systems.
The unit's size S6 frame allows for efficient use of space within electrical enclosures, while its bar connection design facilitates straightforward installation. The contactor also features screw terminals for auxiliary and control circuits, providing a secure and reliable connection.
With a protection class of IP00 for the front and IP20 when equipped with a cover or box terminal, the 3RT1055-6AP36 is designed to be safe to use in a wide range of industrial environments. Its operational temperature range from -25 to +60 °C ensures consistent performance even in demanding conditions.
The Siemens 3RT1055-6AP36 is a high-quality component that offers dependable operation for industrial applications where efficient and effective power control is essential.
Commonly Asked Questions
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Frequently Asked Questions
What are the main characteristics of this Siemens power contactor?
This Siemens power contactor is a 3-pole device with 3 normally open (NO) contacts, designed for AC-3 applications up to 150 A and capable of handling 75 kW at 400 V AC. It operates with a control supply voltage of 220 to 240 V AC/DC and features auxiliary contacts with 2 NO and 2 NC configurations.
Can this contactor be used for both AC and DC applications?
Yes, the contactor is suitable for both AC (50-60 Hz) and DC operations within its specified control supply voltage range of 220 to 240 V.
What is the size of this contactor and how can it be mounted?
The contactor is of size S6 and can be mounted using screw fixing. It allows for side-by-side mounting and can be rotated +/-90° or tilted +/- 22.5° to the front and back with respect to a vertical mounting surface.
What is the rated operating power of this contactor?
The rated operating power of the contactor at AC-3 is 75 kW for a 400 V AC supply. It also has different ratings for other voltages and for AC-4 operation.
What type of 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 mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million switching cycles, which indicates its durability and longevity in operational use.
How does the surge suppressor design benefit the contactor?
The surge suppressor, designed with a varistor, helps to protect the contactor from voltage spikes and transients, thereby enhancing its reliability and lifespan.
What are the ambient operating conditions for this contactor?
The contactor can operate within an ambient temperature range of -25 to +60°C and at an installation altitude of up to 2,000 meters above sea level.
Is there any specific protection against electrical shock with this contactor?
Yes, the contactor is designed to be finger-safe when touched vertically from the front according to IEC 60529, providing protection against electrical shock.
What are the dimensions of this contactor?
The contactor has a height of 172 mm, a width of 120 mm, and a depth of 170 mm, making it compact enough for installation in various industrial settings.
