Overview
The Siemens 3RT2024-1BJ80 is a high-performance, 3-pole SIRIUS 3RT2 power contactor designed for switching motors and industrial loads, conforming to the latest AC-3e/AC-3 standards. This robust Size S0 contactor features a rated operational current of 12 A (for AC-3 at 400 V) and is suitable for motor applications up to 5.5 kW at 400 V. A key feature is the efficient 72 V DC coil (control supply voltage), ensuring reliable operation in DC control circuits. It comes equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) integrated auxiliary contacts, and utilizes dependable screw terminals for secure wiring of both main and auxiliary circuits.
Benefit & Features
- Global Standard Compliance: Meets both the latest high-efficiency standard (AC-3e) and traditional (AC-3) ratings, making it globally versatile.
- Space-Saving Design (Size S0): Compact footprint for efficient panel design and installation on a standard DIN rail.
- High Reliability for DC Systems: The 72 V DC coil is ideal for specialized control systems requiring direct current control voltage.
- Secure & Simple Wiring: Robust screw terminals ensure a strong, long-lasting connection in demanding industrial environments.
- Long Mechanical Life: SIRIUS 3RT contactors are known for their high mechanical lifespan, ensuring operational longevity and reduced maintenance costs.
- Compatibility: Fully compatible with SIRIUS components, including matching overload relays and additional auxiliary switch blocks for simple integration into complex systems.
Function
The Siemens 3RT2024-1BJ80 is primarily used for switching 3-phase AC motors and resistive loads in various industrial applications.
- Motor Control: Serves as the main switching device for starting and stopping electric motors up to 5.5 kW.
- Load Switching: Used for switching other electrical loads like heating elements, lighting systems, and capacitors.
- Control Circuit Integration: The auxiliary contacts allow for use in complex control and feedback circuits, often interfacing with PLC systems.
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