Overview
The Siemens 3RT7027-1AH00 is a robust and reliable SIRIUS 3RT contactor designed for industrial control applications. This specific model is a size S0 contactor with a rated operational current of 32A under AC-3 conditions and a power rating of 15kW at 400V. It is a core component for switching motors, resistive loads, and other electrical equipment. The contactor is engineered for efficiency and durability, ensuring long-term performance in demanding environments.
Key Features
- High Current and Power Rating: Rated for 32A (AC-3) and 15kW at 400V, making it suitable for a wide range of motor control applications.
- Versatile Coil Voltage: Features a control supply voltage of 48V AC at 50Hz, ideal for various international power systems.
- Compact Size S0: The compact design saves valuable space within control panels and electrical cabinets.
- Reliable Screw Terminals: Provides secure and easy wiring connections, ensuring a stable and reliable electrical connection.
- Durable Construction: Built with high-quality materials to withstand harsh industrial conditions.
- Easy Integration: Part of the Siemens SIRIUS modular system, allowing for seamless integration with other SIRIUS components like overload relays and auxiliary contacts.
Benefit
- Enhanced Reliability: The SIRIUS line is known for its high quality and long service life, reducing the need for frequent maintenance and replacements.
- Space-Saving Design: The compact S0 size allows for higher component density within a control cabinet, leading to smaller and more efficient designs.
- Simplified Installation: The screw terminals and clear marking facilitate quick and straightforward installation and wiring.
- Global Compatibility: Designed to meet international standards and suitable for use in diverse industrial settings worldwide.
- Cost-Effective Solution: A dependable and durable component that minimizes downtime and operational costs over its lifespan.
Function
The Siemens 3RT7027-1AH00 contactor is primarily used for:
- Switching 3-phase AC motors.
- Controlling resistive loads.
- Operating in conjunction with thermal overload relays to provide motor protection.
- Serving as a key component in star-delta starters, direct-on-line (DOL) starters, and other motor control circuits.
- Remote control of electrical circuits.
Application
This contactor is ideal for use in various industries and applications, including:
- Machine building and automation
- HVAC systems
- Pumps and compressors
- Conveyor systems
- Material handling equipment
- Manufacturing and process industries
Technical Specification
- Product Type: Contactor, AC-3
- Model Number: 3RT7027-1AH00
- Manufacturer: Siemens
- Product Family: SIRIUS 3RT
- Rated Operational Current: 32A (at 400V AC-3)
- Rated Power: 15kW (at 400V AC-3)
- Control Supply Voltage (Coil): 48V AC, 50Hz
- Size: S0
- Terminal Type: Screw terminals
- Auxiliary Contacts: N/A (Standard unit, auxiliary blocks can be added)
- Mounting: DIN rail or screw fixing
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