Siemens
Siemens 3RT1023-1AC20 SIRIUS Power Contactor - 9A, 24V AC, 50/60Hz
Siemens 3RT1023-1AC20 3-pole Power Contactor
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12-Mo Warranty
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
AC-3 rating of 9A
4 kW motor power at 400V
24V AC coil (50/60 Hz)
Size S0
Screw terminals
3-pole configuration
Product description
The Siemens 3RT1023-1AC20 is a 3-pole power contactor rated for AC-3 applications at 9A and 4kW at 400V. It features a 24V AC coil with dual frequency support (50/60 Hz) and utilizes screw terminals. This Size S0 contactor is part of the SIRIUS 3RT1 series.
This contactor is designed for reliable motor control and general industrial switching applications. Its dual-frequency coil provides flexibility in different regions or with varying power supply frequencies.
Stanlo Automation, a veteran-owned distributor of industrial surplus parts, offers quality components and efficient service to keep your operations running. Trust us for your automation and MRO needs.
Technical specifications
| Poles | 3 |
| Current Rating (AC-3) | 9A |
| Voltage Rating (AC-3) | 400V |
| Coil Voltage | 24V AC (50/60 Hz) |
| Frame Size | S0 |
| Terminal Type | Screw |
Common applications
Motor control
Industrial automation
Control panels
Machine tools
Global applications
Compatible systems
General industrial control systems
Also known as
3RT10231AC20
Siemens Contactor 3RT1023-1AC20
SIRIUS 3RT1023-1AC20
Replaces / compatible with
This is a phased-out product. The preferred successor is the SIRIUS 3RT2023-1AC20.
Technical note
Expert tip
This Size S0 contactor can be fitted with auxiliary contact blocks and overload relays for complete motor starter protection.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
Is the Siemens 3RT1023-1AC20 suitable for 50Hz and 60Hz power systems?
Yes, the Siemens 3RT1023-1AC20 contactor features a 24V AC coil that is rated for both 50 Hz and 60 Hz, offering versatility for international applications.