3RT2024-1AC20 – Siemens SIRIUS Power Contactor, 12A, 5.5kW/400V, 24VAC, In Stock
Buy the Siemens 3RT2024-1AC20, a SIRIUS 3RT2 power contactor rated AC-3e/AC-3 12A, 5.5kW at 400V, 3-pole, 24 V AC 50/60Hz coil, with 1 NO + 1 NC auxiliary contacts, screw terminal, Size S0. In stock and available for fast shipping. Get a quote today.
Key Technical Specifications
- Product Type: SIRIUS 3RT2 power contactor
- Contactor Size: S0
- Number of Poles: 3 (3NO main contacts)
- Rated Current (AC-3, 400V): 12 A
- Rated Power (AC-3, 400V): 5.5 kW
- Coil Voltage: 24 V AC, 50/60 Hz
- Coil Power (Pickup/Holding): 68/67 VA pickup; 7.9/6.5 VA holding
- Power Factor (Closing/Holding): 0.72/0.74 (closing); 0.25/0.28 (holding)
- Auxiliary Contacts: 1 NO + 1 NC (base-mounted)
- Terminal Type: Screw terminal
- Rated Impulse Withstand Voltage (Uimp): 6 kV
- Rated Insulation Voltage: 690 V
- Mechanical Operating Cycles: 10,000,000
- Ambient Temperature (Operation): -25°C to +60°C
- Protection Class: IP20
- Mounting: DIN rail / snap-on / threaded
- Dimensions: 85 mm (H) x 45 mm (W) x 97 mm (D)
Design and Performance
Reliable Motor Switching in a Compact Size S0 Footprint
As part of the SIRIUS 3RT2 modular contactor system, the 3RT2024-1AC20 delivers dependable direct-on-line motor switching up to 5.5 kW at 400 V, with high contact reliability in a space-efficient design.
Integrated Dual Auxiliary Contacts for Signaling and Interlocking
Built-in 1 NO + 1 NC base-mounted auxiliary contacts support status signaling, interlocking, and control circuit feedback without requiring a separate auxiliary contact block.
Direct Physical and Electrical Replacement for Legacy Contactors
The 3RT2024-1AC20 serves as the electrical and dimensional replacement for the now obsolete 3RT1024-1AC20, simplifying upgrades and spare-parts sourcing, though existing direct-mount accessories would need to be replaced.
High Mechanical Durability
Rated for 10,000,000 mechanical operating cycles, this contactor supports reliable long-term operation in applications with frequent switching, minimizing the need for premature replacement.
Flexible SIRIUS Modular System Compatibility
Compatible with a full range of accessories — including thermal and solid-state overload relays, plus front- and side-mounted auxiliary contacts — for building a complete, versatile motor starter assembly.
Why Buy the 3RT2024-1AC20 From Us
- In stock and ready for immediate dispatch
- Fast shipping on every order
- Commercial advisory support to help you confirm the right SIRIUS 3RT2 configuration for your motor application
- Competitive pricing — get a quote in minutes
