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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1055-6NP36 |
| Alternative Part Number | 3RT10556NP36 |
| Manufacturer | Siemens |
| Operating Voltage | 200 to 277 V ac/dc |
| Power Rating | 181 kW |
| Current Rating | 185 A |
| Number of Poles | 3 Poles |
| Contactor Size | Size S6 |
| Connection Type | Bar Connections |
| Operating Mechanism | Electronic with PLC Interface |
| Control Circuit Voltage | 24V DC |
| Auxiliary Contacts | 2NO+2NC |
| Installation Altitude | Up to 2,000 meters above sea level |
| Ambient Operating Temperature | -25 to +60 °C |
| Mechanical Operating Cycles | 10,000,000 for contactor, 5,000,000 for contactor with electronics-compatible auxiliary block |
| Protection Class | IP00, IP20 with cover/box terminal |
| Degree of Pollution | 3 |
| Shock Resistance | Yes, with specified g/ms values for AC and DC |
| Safety Features | Mirror contact according to IEC 60947-4-1 |
The Siemens 3RT1055-6NP36 is a robust power contactor designed to handle significant electrical loads with ease and reliability. Engineered for high-performance applications, this contactor is capable of managing AC-3 150 A and 75 kW at 400 V, making it an ideal choice for industrial environments where efficient power distribution is critical.
Crafted with precision, the 3RT1055-6NP36 features a three-pole design and comes equipped with auxiliary contacts (2 NO + 2 NC), ensuring flexible integration into various control circuits. The contactor's busbar connections are designed for straightforward installation and maintenance, while the electronic drive with a PLC interface operating at 24 V DC ensures seamless communication with programmable logic controllers.
With a size S6 frame, this contactor is compact enough to fit into standard configurations yet powerful enough to deliver reliable performance. The unit's captive auxiliary switch, compliant with DIN 50012 standards, adds an extra layer of operational security and convenience.
The Siemens 3RT1055-6NP36 is built to withstand challenging conditions, boasting a high degree of protection against contact and ingress, as well as resistance to shock and vibration. Its mechanical service life is rated for millions of operating cycles, which speaks to its durability and long-term reliability.
This power contactor is a testament to Siemens' commitment to quality and innovation, offering a solution that combines functionality, durability, and ease of use for industrial applications that demand the best in power management.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What voltage range does the Siemens Power Contactor operate within?
The Siemens Power Contactor operates within a voltage range of 200 to 277 V ac/dc.
What is the maximum power rating for this contactor?
The maximum power rating for this contactor is 181 kW.
How many poles does this contactor have?
This contactor has 3 poles.
Can you specify the size of this Siemens contactor?
The size of this Siemens contactor is S6.
What is the rated operating current of this contactor?
The rated operating current of the contactor is 185 A.
Is this contactor suitable for side-by-side mounting?
Yes, this contactor is designed to allow for side-by-side mounting.
What type of connections does the contactor support?
The contactor supports bar connections and has screw-type terminals for auxiliary and control current circuits.
What is the typical mechanical operating life of this contactor?
The typical mechanical operating life of the contactor is 10 million operating cycles.
Does the contactor come with auxiliary contacts?
Yes, the contactor comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What are the dimensions of the contactor?
The contactor has a height of 172 mm, a width of 120 mm, and a depth of 170 mm.
