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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1056-6AP36 |
| Alternative Part Number | 3RT10566AP36 |
| Manufacturer | Siemens |
| Category | General Automation |
| Operation Voltage | 400 V ac, 50/60 Hz |
| Control Voltage | 220-240 V DC |
| Rated Operational Current | AC-3 185 A |
| Power Rating | 90 kW |
| Number of Poles | 3-pole |
| Height | 170.00 mm |
| Width | 120.00 mm |
| Depth | 169.00 mm |
| Commodity Code | 853649 |
| Mounting Type | Screw fixing |
| Side-by-Side Mounting | Yes |
| Connectable Conductor | Main contacts: 25 - 120 mm²; Auxiliary contacts: 0.5 - 4 mm² |
| AWG Conductors | Main contacts: 4 - 250 kcmil; Auxiliary contacts: 18 - 14 |
| Protection Against Shock | Finger-safe when touched vertically from front according to IEC 60529 |
| Product Approvals | General Product Approval, Functional Safety/Safety of Machinery, Declaration of Conformity |
| Mirror Contact | Yes, according to IEC 60947-4-1 |
| Positively Driven Operation | No, according to IEC 60947-5-1 |
| Insulation Voltage | Rated value 1,000 V |
| Degree of Pollution | 3 |
| Surge Voltage Resistance | Rated value 8 kV |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Thermal Short-Time Current | Restricted to 10 s, 1,480 A |
The Siemens 3RT1056-6AP36 is a robust power contactor designed to handle high current applications with ease. This contactor is capable of switching motor loads of up to 185 A and 90 kW, making it an ideal choice for managing heavy-duty operations in industrial environments. With a rated operating voltage of 400 V AC at 50/60 Hz and a control voltage range of 220-240 V AC/DC, it offers flexibility for various electrical systems.
Constructed for durability, the 3RT1056-6AP36 features a three-pole design and comes equipped with auxiliary contacts configured as 2 normally open (NO) and 2 normally closed (NC) contacts. This allows for integration into complex control circuits, providing both operational reliability and versatility.
The contactor's size S6 frame is designed with space efficiency in mind, ensuring it can be accommodated within electrical cabinets without compromising on performance. The screw-type terminals provide a secure and reliable connection for both the main current circuit and the auxiliary and control current circuit, supporting a wide range of conductor cross-sections.
Engineered to withstand challenging industrial conditions, the 3RT1056-6AP36 operates reliably within a temperature range of -25 to +60 degrees Celsius and at installation altitudes of up to 2000 meters above sea level. Its mechanical operating life is rated at an impressive 10 million cycles, highlighting the contactor's longevity and low maintenance requirements.
The contactor's design also includes features that facilitate ease of installation and maintenance, such as the ability to be mounted in various positions and the provision for side-by-side mounting. This flexibility ensures that the 3RT1056-6AP36 can be adapted to a wide array of applications and installation scenarios.
Overall, the Siemens 3RT1056-6AP36 power contactor is a reliable and efficient solution for controlling high-power motors and loads in industrial settings, offering both performance and durability to meet the demands of modern electrical systems.
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Frequently Asked Questions
What is the rated operational current for this contactor?
The rated operational current for this contactor in AC-3 usage at 400 V is 185 A.
Can this contactor be mounted side-by-side with other units?
Yes, this contactor is designed to allow side-by-side mounting with other units.
What are the dimensions of this contactor?
The dimensions of the contactor are 170 mm in height, 120 mm in width, and 169 mm in depth.
What is the control supply voltage range for this contactor?
The control supply voltage range for this contactor is 220-240 V for both AC and DC operation.
What type of connections does this contactor support?
This contactor supports screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the maximum operating altitude for this contactor?
The maximum operating altitude for this contactor is 2,000 meters above sea level.
What is the ambient temperature range for operating this contactor?
The ambient temperature range for operating this contactor is from -25 °C to +60 °C.
Does this contactor have a mirror contact feature?
Yes, this contactor includes a mirror contact feature according to IEC 60947-4-1.
How many auxiliary contacts does this contactor have?
This contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What is the protection class of the terminals on this contactor?
The protection class of the terminals on this contactor is IP00.
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