Siemens Power contactor, screw, 3-pole, size S0, 110VAC, 5.5kW Part number 3RT2024-1AF00

Product Overview

The Siemens 3RT2024-1AF00 is a 3-pole power contactor of size S0 (SIRIUS 3RT2 family), designed for switching three-phase motors and AC loads. With a 110 V AC coil (50 Hz) and 12 A AC-3 rating, it can reliably handle up to 5.5 kW at 400 V. The contactor includes one normally-open + one normally-closed auxiliary contact for control or signalling purposes, making it suited for motor starters, control circuits and industrial automation systems.

Key Features

• 3-pole main contacts (3 NO) for three-phase switching
• Rated for 12 A (AC-3) / 5.5 kW at 400 V
• 110 V AC coil (50 Hz), suitable for control circuits
• Auxiliary contact block: 1 NO + 1 NC — useful for signalling or interlocks
• Screw-terminal connections — secure and robust wiring
• Contactor size: S0 — compact and panel-friendly
• Wide operating conditions: –25 °C to +60 °C ambient temperature, installation altitude ≤ 2000 m
• High insulation and surge-voltage resistance (690 V insulation, 6 kV impulse withstand)
• Mechanical endurance: ~10,000,000 switching cycles — designed for long service life

Technical Specifications

• Article Number: 3RT2024-1AF00
• Product Family: SIRIUS 3RT2 contactors
• Contact Configuration: 3 NO (main contacts)
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Operational Current (AC-3, 400 V): 12 A
• Motor Power Rating (400 V): 5.5 kW
• Control Coil Voltage: 110 V AC, 50 Hz
• Insulation Voltage / Rated Surge Withstand: 690 V / 6 kV
• Ambient Operating Temperature: –25 °C … +60 °C
• Pollution Degree: 3
• Mechanical Endurance: approx. 10,000,000 switching cycles
• Mounting: DIN-rail or panel — typical for SIRIUS S0 devices

Compliance & Standards

• Complies with IEC/EN standards for motor contactors (SIRIUS 3RT2 series)
• Rated for industrial use with high insulation, surge and mechanical endurance specifications

Applications

The 3RT2024-1AF00 is ideal for controlling small to medium three-phase motors, pumps, compressors, fans, and other AC loads. It can be used in motor-starter combinations, control cabinets, machinery automation panels, and general industrial installations where a compact, reliable 3-pole contactor with auxiliary control feedback is needed.