Siemens AC-3e/AC-3 Power contactor, S0, 3-pole, 1NO+1NC, screw, 5.5kW, 12A Part number 3RT20241AK60

Product Overview

The Siemens 3RT2024-1AK60 is a SIRIUS 3RT2 power contactor designed for reliable switching of three-phase motor loads. As a size S0 device, it handles up to 12 A operational current and 5.5 kW motor power at 400 V (AC-3 duty). It is equipped with a 110 V AC control coil and features integrated auxiliary contacts for versatile control and signaling applications. This compact contactor ensures long service life and dependable performance in industrial automation environments.

Key Features

• 3-pole power contactor from the Siemens SIRIUS 3RT2 range
• Size S0, compact and easy to install
• Rated operational current: 12 A (AC-3, 400 V)
• Rated motor power: up to 5.5 kW (AC-3, 400 V)
• Control coil voltage: 110 V AC (50/60 Hz)
• Includes 1 NO + 1 NC auxiliary contacts for signaling or interlocking
• High electrical and mechanical endurance with long switching life
• Compact width (45 mm) for optimized panel space utilization
• Front-side protection up to IP20 (when installed with cover)

Technical Specifications

• Product Series: SIRIUS 3RT2
• Article Number: 3RT2024-1AK60
• Number of Poles: 3
• Size: S0
• Rated Operational Current (AC-3, 400 V): 12 A
• Rated Motor Power (AC-3, 400 V): 5.5 kW
• Control Supply Voltage: 110 V AC (50/60 Hz)
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Insulation Voltage: 690 V
• Impulse Withstand Voltage: 6 kV
• Operating Temperature: −25 °C to +60 °C
• Mechanical Durability: up to 10 million operations
• Mounting: DIN-rail or screw-mountable
• Protection Rating (Front): IP20

Compliance & Certifications

• Manufactured by Siemens under the SIRIUS industrial control product line
• Complies with IEC/EN 60947-4-1 for contactors and motor starters
• Designed for reliable performance in industrial automation and control systems

Applications

Ideal for use in motor control panels, feeders, and automation systems. Suitable for switching three-phase motors, controlling pumps, fans, compressors, conveyors, and other industrial loads. Commonly integrated in motor starters, reversing combinations, and control cabinets requiring a compact, high-performance contactor.