The Siemens 3RT2024-1AF00 is a compact SIRIUS 3RT2 3-pole power contactor engineered for efficient, heavy-duty switching of 3-phase motors and industrial loads. Designed to meet IEC 60947 standards, this Size S00 contactor operates on a 110V AC control coil (50Hz) and delivers superior operational reliability for motor control centers, machine automation, and industrial control panels.
12A Current Rating (AC-3): Ideal for reliable direct-on-line switching of 3-phase motors rated up to 5.5 kW at 400V AC.
1NO + 1NC Auxiliary Contacts: Comes with integrated 1 Normally Open and 1 Normally Closed auxiliary contacts for flexible control logic, status monitoring, and interlocking functions.
110V AC Control Coil (50Hz): Standard industrial operating voltage for smooth integration with PLCs, control transformers, and automation circuits.
Compact Frame Size: Delivers high power density in a space-saving design, preserving valuable space inside control cabinets and Motor Control Centers (MCCs).
Extreme Mechanical Life: Built for long service life with an electrical and mechanical endurance of up to 10 million operating cycles.
Secure Screw Terminals: Features vibration-proof screw connection technology for fast installation, secure wiring, and reduced maintenance downtime.
Motor Control Centers (MCC) & Machine Automation Panels
Industrial Pumps, Compressors, and Blowers
Conveyors & Material Handling Systems
HVAC Systems & Industrial Refrigeration
OEM Machinery & Power Distribution Systems
Q1: What is the rated motor capacity for the Siemens 3RT2024-1AF00 contactor?
A: This contactor is rated for 12A (AC-3) and is suitable for switching 3-phase motors up to 5.5 kW at 400V AC.
Q2: What coil voltage does this contactor operate on?
A: The Siemens 3RT2024-1AF00 features a 110V AC operating coil at 50Hz, widely used in standard industrial control circuits.
Q3: Are auxiliary contacts included with this model?
A: Yes, it features integrated 1NO (Normally Open) + 1NC (Normally Closed) auxiliary contacts for control and feedback signaling.
Q4: Can I add extra auxiliary contact blocks or overload relays to this contactor?
A: Yes, as part of the Siemens SIRIUS modular design, you can easily snap on additional auxiliary contact blocks, thermal overload relays, and surge suppressors.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RT2024-1AF00 |
| Product Series | SIRIUS 3RT2 |
| Product Type | Power Contactor |
| Rated Operational Current (AC-3) | 12 A |
| Motor Rating | 5.5 kW at 400 V AC |
| Main Contacts | 3-Pole |
| Auxiliary Contacts | 1NO + 1NC |
| Coil Voltage | 110 V AC, 50 Hz |
| Connection Type | Screw Terminals |
| Frame Size | S0 |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Front Protection | IP20 |
| Mounting | DIN Rail or Panel Mount |
| Mechanical Service Life | Up to 10 Million Operating Cycles |
| Standard | IEC 60947-4-1 |
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