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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2036-3NB30 |
| Alternative Part Number | 3RT20363NB30 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Size of Contactor | S2 |
| Rated Operational Current (AC-3) | 50 A |
| Power Rating | 22 kW / 400 V |
| Auxiliary Contacts | 1 NO (Normally Open) + 1 NC (Normally Closed) |
| Control Voltage Range | 20-33 V AC/DC |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Connection Type | Main current circuit: Screw-type terminals; Auxiliary and control current circuit: Spring-loaded terminals |
| Insulation Voltage | Rated value 690 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Degree of Pollution | 3 |
| Protection Class IP | Front: IP20, Terminal: IP00 |
| Dimensions (H x W x D) | 114 mm x 55 mm x 130 mm |
| Required Spacing | For side-by-side mounting: 0 mm; For grounded parts: 10 mm forward, 50 mm upwards and downwards, 6 mm at the side |
| Product Approvals | General Product Approval, Declaration of Conformity, Test Certificates |
| Special Features | Mirror contact according to IEC 60947-4-1 |
The Siemens 3RT2036-3NB30 is a robust and reliable power contactor designed to handle high switching capacities with ease. This component is part of the SIRIUS product family, renowned for its quality and performance in industrial applications. With an AC-3 rating of 22 kW at 400 V, it is capable of managing significant power loads, making it an ideal choice for a wide range of automation tasks.
Crafted for durability, the 3RT2036-3NB30 boasts an impressive mechanical service life of up to 10 million switching cycles, ensuring long-term reliability in your operations. It features three poles and comes equipped with one normally open (NO) and one normally closed (NC) auxiliary contact, providing flexibility in control circuit design.
The contactor operates with a control voltage range of 20-33 V AC/DC, making it versatile for various control voltage requirements. It also includes a built-in varistor for surge protection, safeguarding the device against voltage spikes.
Installation and maintenance are straightforward, thanks to its spring-type terminal connections for both the main and auxiliary circuits, which facilitate quick and secure wiring. The contactor's compact size, with dimensions of 55 mm width, 114 mm height, and 130 mm depth, allows for efficient use of space inside control cabinets.
With an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, the Siemens 3RT2036-3NB30 ensures safe operation even under challenging electrical conditions. It is designed to be mounted on a 35 mm standard mounting rail according to DIN EN 60715, with the option for side-by-side mounting to optimize space.
The 3RT2036-3NB30 is a testament to Siemens' commitment to quality, offering a reliable solution for controlling motors and loads in industrial environments. Whether you're managing conveyor systems, compressors, or pumps, this power contactor is engineered to deliver consistent performance and peace of mind.
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Frequently Asked Questions
What is the size of the contactor?
The contactor is of size S2, which is a designation used by Siemens to indicate the physical and electrical characteristics of the contactor.
Can this contactor be used with auxiliary switches?
Yes, the contactor is designed to be compatible with auxiliary switches, allowing for additional control and signalling functions.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of the contactor is 690 V, which is the maximum voltage the insulation can withstand.
What is the maximum operating altitude for this contactor?
The maximum operating altitude for the contactor is 2,000 metres above sea level without derating.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
How many poles does the main current circuit of this contactor have?
The main current circuit of the contactor has 3 poles.
What are the mounting options for this contactor?
The contactor can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
What type of electrical connections are used for the main and auxiliary circuits?
The contactor uses screw-type terminals for the main current circuit and spring-loaded terminals for the auxiliary and control current circuit.
What is the mechanical service life of the contactor?
The typical mechanical service life of the contactor is 10 million switching cycles.
Can this contactor be used in safety-related applications?
The contactor has a mirror contact feature according to IEC 60947-4-1, but it is not positively driven according to IEC 60947-5-1, so suitability for safety-related applications would depend on the specific requirements of the application.
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