Siemens 3RT2027-2CL24-3MA0 SIRIUS Power Contactor, 32A, 15kW, 230V AC, Spring Terminal Original Brand New

Overview: High-Performance SIRIUS 3RT2 Power Contactor

The Siemens 3RT2027-2CL24-3MA0 is a high-performance, 3-pole power contactor from the modular SIRIUS 3RT2 family, engineered for reliable switching of motors and electrical loads. Rated for AC-3e/AC-3 utilization categories, it handles currents up to 32 A and motor power up to 15 kW at 400 V.

This model is designed for quick, vibration-proof wiring with its robust spring-loaded terminals and features a 230 V AC coil with an integrated plugged-in varistor for enhanced coil protection and surge suppression. As a compact Size S0 device, it is ideal for modern, space-saving control cabinet designs.

Key Technical Specification

• Product Number: 3RT2027-2CL24-3MA0
• Manufacturer: Siemens
• Product Series: SIRIUS 3RT2
• Contactor Type: Power Contactor (Motor Switching)
• Utilization Category: AC-3e / AC-3
• Rated Operational Current (Ie​ @ 400 V AC-3): 32 A
• Rated Operational Power (Pe​ @ 400 V): 15 kW
• Poles: 3-pole (Main Contacts)
• Control Supply Voltage (Coil): 230 V AC, 50/60 Hz
• Surge Protection: Integrated Plugged-in Varistor
• Auxiliary Contacts (Integrated): 2 Normally Open ($\text{NO}$) + 2 Normally Closed ($\text{NC}$) (Captive Auxiliary Switch for SUVA applications)
• Terminal Type: Spring-Loaded Terminal (Spring-Type)
• Size: S0

Application

The Siemens 3RT2027-2CL24-3MA0 contactor is essential for switching three-phase loads, particularly in:

• Motor starting and control (pumps, fans, compressors, conveyors)
• Heating and lighting circuits
• Machine and plant engineering
• Industrial automation and control panels

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