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Siemens 3-Pole Contactor, 33V AC/DC Coil, 3 NO, 70A, 22kW at 400V, Screw Clamp, DIN Rail, 3RT2036-1NB34-3MA0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Function | Motor Control |
| Length | 55mm |
| Model | 3RT2036-1NB34-3MA0 |
| Depth | 114mm |
| Width | 174mm |
| Mount Type | DIN Rail |
| Series | 3RT2 |
| Power Rating | 22kW |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw Clamp |
| Number of Poles | 3 |
| Standards/Approvals | CCC, CSA, EAC, RoHS, UKCA, UL, VDE |
| Contact Voltage | 690V ac |
| Coil Voltage | 33V ac/dc |
| Normal State Configuration | 3 NO |
| Better World Claim | Low Carbon Manufacture |
| Contact Current | 70A |
| Number of Auxiliary Contacts | 4 |
| Auxiliary Contact Configuration | 2 NO/2 NC |
| Operational Current Ie | 51A |
| Control Circuit Voltage Uc | 400V |
| Contactor Application | Motor Control |
| Pole and Throw Configuration | 3PST |
Key Features
- Operates at 33V AC/DC coil voltage for versatility in industrial control circuits.
- Designed for 3-pole systems with 3 normally open contacts and 4 auxiliary contacts (2 NO/2 NC).
- Handles contact current up to 70A and switching power up to 22kW at 400V AC for motor control.
- Features DIN rail mounting and screw clamp terminals for robust, easy installation.
- Includes a wide operational temperature range from -25°C to 60°C, suitable for demanding conditions.
- Certified to CCC, CSA, EAC, RoHS, UKCA, UL, and VDE standards for broad international acceptance.
- Has 114mm depth, 55mm length, and 174mm width to fit standard panels.
- Engineered for reliable, durable service in automation, manufacturing, HVAC, and motor control systems.
Product Description
The Siemens 3RT2036-1NB34-3MA0 is a high-performance 3-pole contactor, expertly designed for industrial environments requiring reliable switching of high current loads. Featuring a versatile 33V AC/DC coil voltage, this contactor offers compatibility with a variety of control circuits, making it suitable for integration into diverse automation systems.
This model supports up to 70A operational current and delivers up to 22kW power at 400V AC, providing ample capacity for heavy-duty motor control tasks. Its contact configuration consists of 3 normally open power contacts, ideal for main circuit control, and 4 auxiliary contacts (2 NO/2 NC) for auxiliary control functions such as feedback and interlocking. The robust screw clamp terminal system and DIN rail mounting facilitate straightforward installation and reliable electrical connections.
The 3RT2036-1NB34-3MA0 contactor is engineered for continuous performance across a wide temperature range, from -25°C to 60°C. It is equipped with a compact yet spacious form factor (depth 114mm, length 55mm, width 174mm), allowing integration even in space-constrained panels. High insulation voltage (up to 690V AC) and impulse voltage resistance (6kV) ensure operational safety and compliance with industrial electrical standards.
Internationally recognized certifications (CCC, CSA, EAC, RoHS, UKCA, UL, and VDE) guarantee compliance with rigorous safety and environmental criteria. This contactor is particularly well-suited for motor control applications in manufacturing plants, HVAC systems, automated assembly lines, conveyor systems, and other demanding electrical switching duties.
The Siemens 3RT2 series is renowned for its reliability, low real loss power (only 4W), and adaptability for different terminal connection types. Its application as a main circuit contactor or as part of automated process control ensures reduced downtime and efficient power management across industrial and commercial installations.
For users looking for international-grade, heavy-duty contact solutions, Siemens provides this contactor with extended longevity and low-carbon manufacturing credentials, aligning with both operational and sustainability goals.
Explore our full selection of Siemens Power Contactors and automation gear in the Relays & Contactors category to find the right solution for your industrial control systems.
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Frequently Asked Questions
The Siemens 3RT2036-1NB34-3MA0 operates at a coil voltage of 33V AC/DC, making it versatile for various industrial control circuits.
This contactor can handle a maximum contact current of 70A, suitable for heavy-duty applications.
The dimensions of this model are 55mm in length, 174mm in width, and 114mm in depth, allowing for compact installation in panels.
It has a power rating of 22kW at 400V AC, making it suitable for motor control tasks.
This model features 4 auxiliary contacts, configured as 2 normally open (NO) and 2 normally closed (NC).
The operational temperature range for the Siemens 3RT2036-1NB34-3MA0 is from -25°C to 60°C, suitable for demanding conditions.
It is designed for DIN rail mounting, facilitating easy installation in standard electrical panels.
This contactor is certified to several standards, including CCC, CSA, EAC, RoHS, UKCA, UL, and VDE, ensuring broad international acceptance.
The normal state configuration of the contacts in this model is 3 normally open (NO) contacts, suitable for main circuit control.
It has an impulse voltage resistance of 6kV, ensuring operational safety in industrial applications.
The Siemens 3RT2036-1NB34-3MA0 is manufactured in Germany, reflecting its engineering quality.
This model is engineered for motor control applications, making it suitable for use in manufacturing, HVAC systems, and automated assembly lines.
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