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3RT2026-1BB40 – Power Contactor
Product Overview
The 3RT2026-1BB40 is a high-performance power contactor manufactured by Siemens. It is designed for reliable switching of electrical loads in industrial applications. This contactor is suitable for controlling motors, transformers, and other electrical devices.
Key Features
- Rated Current: 25 A
- Contact Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Coil Voltage: 24 V DC
- Number of Poles: 3-pole
- Terminal Type: Screw terminal for secure and easy wiring
- Mounting: DIN rail mountable for convenient installation
- Enclosure: Compact and robust design for durability
- Applications: Ideal for motor control, lighting control, and general switching applications
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Operational Voltage (Ue) | Up to 690 V AC |
| Rated Operational Current (Ie) | 25 A |
| Rated Power | 7.5 kW at 400 V AC |
| Mechanical Life | Up to 10 million operations |
| Electrical Life | Up to 1 million operations |
| Ambient Temperature Range | -25°C to +60°C |
| Protection Class | IP20 |
Applications
The Siemens 3RT2026-1BB40 power contactor is widely used in:
- Motor control circuits
- Industrial automation systems
- Heating, ventilation, and air conditioning (HVAC) systems
- Lighting control systems
- Power distribution panels
Compliance and Certifications
This product complies with international standards and certifications, including:
- IEC/EN 60947-4-1
- UL 508
- CE Marking
Additional Information
For more details, including wiring diagrams and installation instructions, refer to the official Siemens product manual or contact your local Siemens representative.
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