Siemens 3RT2024-1KB40-1AA0 Power Contactor 3-Pole, 12A, 24V DC, AC-3/AC-3e with Varistor Original Brand New
$106.01
Siemens 3RT2024-1KB40-1AA0 power contactor, AC-3e/AC-3, 12 A, 5.5 kW / 400 V, 3-pole, 24 V DC, 0.7-1.25* Uc, with plugged-in varistor, auxiliary contacts: 1 NO + 1 NC, screw terminal, frame size: S0, suitable for PLC outputs, no auxiliary switch can be added, upright mounting position
Overview
The Siemens 3RT2024-1KB40-1AA0 is a high-performance power contactor designed for reliable switching of motors and resistive loads. With a rated current of 12 A and a 3-pole configuration, this contactor delivers up to 5.5 kW at 400 V AC. Its compact S0 frame size ensures seamless integration into industrial control panels, while the built-in varistor protects against voltage spikes.
Key Features & Function
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Rated Current & Power: 12 A, suitable for loads up to 5.5 kW / 400 V AC.
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Control Voltage: 24 V DC coil with 0.7–1.25 * Uc for stable operation.
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Poles & Auxiliary Contacts: 3-pole main contacts with 1 NO + 1 NC auxiliary contacts.
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Protection: Includes a plugged-in varistor for surge protection.
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Mounting & Installation: Screw terminals, upright mounting position, frame size S0.
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PLC Compatibility: Designed for direct connection to PLC outputs.
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No Additional Auxiliary Switches: Simplifies installation and maintenance.
Benefit
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Enhances motor control reliability and efficiency.
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Protects circuits from voltage spikes via integrated varistor.
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Compact S0 frame saves space in control cabinets.
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Suitable for industrial automation and PLC applications.
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Easy installation with screw terminals and upright mounting.
Application
The Siemens 3RT2024-1KB40-1AA0 Contactor is the ideal choice for switching 3-phase AC loads in applications such as:
- Motor Control: Switching small to medium-sized motors (up to 5.5 kW) for pumps, fans, conveyors, and machine tools.
- Resistive Loads: Controlling heating elements, lighting systems, and other general AC loads.
- Automated Systems: Integration into industrial control panels where PLC control and high reliability are essential.
- Coupling and Interlocking: Used as a coupling contactor to interface low-power PLC outputs with high-power load circuits.
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| Weight | 0.597 kg |
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| Dimensions | 92 × 56 × 117 mm |
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