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Siemens 3RT2 Contactor 24V AC/DC Coil 3-Pole 65A 30 kW 3 NO 400V AC 3RT2037-1NB30
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Function | Motor Control |
| Length | 55mm |
| Model | 3RT2037-1NB30 |
| Depth | 130mm |
| Width | 114mm |
| Mount Type | Snap-On |
| Series | 3RT2 |
| Power Rating | 30kW |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw Clamp |
| Number of Poles | 3 |
| Standards/Approvals | UL, VDE, CCC, CSA, EAC, RoHS, UKCA |
| Contact Voltage | 400V ac |
| Coil Voltage | 24V ac/dc |
| Normal State Configuration | 3 NO |
| Better World Claim | Low Carbon Manufacture |
| Contact Current | 65A |
| Number of Auxiliary Contacts | 2 |
| Auxiliary Contact Configuration | 1 NO/1 NC |
| Operational Current Ie | 65A |
| Control Circuit Voltage Uc | 24V ac/dc |
| Contactor Application | Motor Control |
| Pole and Throw Configuration | 3PST-NO |
Key Features
- Designed for efficient motor control applications.
- Operates reliably between temperatures of -25°C and 60°C.
- Compact dimensions of 55mm length, 114mm width, and 130mm depth.
- Equipped with two auxiliary contacts configured as 1 NO and 1 NC.
- Durable mechanical life expectancy of 10 million switching cycles.
- Snap-on mount type facilitates easy installation and mounting flexibility.
- Screw clamp terminals ensure secure and reliable electrical connections.
- Meets multiple international standards including UL, VDE, CCC, CSA, EAC, RoHS, and UKCA.
Product Description
Siemens 3RT2037-1NB30 3RT2 Contactor is engineered with a 24V AC/DC coil and a 3-pole design suitable for high-power industrial control systems. Rated for a contact current of 65A and contact voltage of 400V AC, this contactor supports motor control functions in demanding manufacturing and plant engineering environments.
Its robust construction enables operation within a broad temperature range from -25°C to 60°C, ensuring reliable performance even under harsh conditions. The compact size, with dimensions of 55mm in length, 114mm in width, and 130mm in depth, allows for easy integration into control panels.
The device includes two auxiliary contacts arranged as one normally open (NO) and one normally closed (NC), providing additional control flexibility. The screw clamp terminal type ensures secure wiring connections, while the snap-on mounting system allows installation with slight tilt or 180° rotation to adapt to various panel layouts.
With an expected mechanical lifespan of 10 million switching cycles and compliance with international standards such as UL, VDE, CCC, CSA, EAC, RoHS, and UKCA, this contactor delivers durability and safety in electrical equipment applications.
Manufactured with low carbon processes, it supports sustainable industrial automation solutions. Designed for efficient motor control applications. Operates reliably between temperatures of -25°C and 60°C. Compact dimensions of 55mm length, 114mm width, and 130mm depth.
Equipped with two auxiliary contacts configured as 1 NO and 1 NC. Durable mechanical life expectancy of 10 million switching cycles. Snap-on mount type facilitates easy installation and mounting flexibility. Screw clamp terminals ensure secure and reliable electrical connections.
Meets multiple international standards including UL, VDE, CCC, CSA, EAC, RoHS, and UKCA. Low carbon manufacturing process supports sustainable industrial applications.
This contactor is ideal for industrial automation, manufacturing plants, HVAC systems, motor controls, and commercial electrical switching applications. Explore more Siemens Contactors and automation products on EnvMart for reliable and efficient industrial controls.
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Frequently Asked Questions
The power rating of this contactor is 30 kW.
The maximum contact current for the Siemens 3RT2037-1NB30 is 65A.
This contactor operates with a coil voltage of 24V AC/DC.
The dimensions are 55mm in length, 114mm in width, and 130mm in depth.
It features screw clamp terminals for secure and reliable electrical connections.
The operational temperature range is between -25°C and 60°C.
This contactor has a 3-pole design.
It includes two auxiliary contacts configured as 1 normally open (NO) and 1 normally closed (NC).
The contactor uses a snap-on mount type for easy installation and mounting flexibility.
It meets multiple international standards including UL, VDE, CCC, CSA, EAC, RoHS, and UKCA.
The expected mechanical life is 10 million switching cycles.
It is designed for motor control applications in industrial automation and manufacturing environments.
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