Siemens
Siemens 3RT1025-3B SIRIUS Power Contactor
Siemens 3RT1025-3B SIRIUS 3-pole power contactor.
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12-Mo Warranty
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12-month warranty
All units tested
Same-day dispatch
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Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
3-pole configuration
SIRIUS series
Screw terminals
AC-3 rated
Size S0
Product description
The Siemens 3RT1025-3B is a 3-pole SIRIUS power contactor designed for reliable motor control.
This contactor is ideal for various industrial applications, including motor starting, switching, and control systems. Its robust design ensures durability and consistent performance in demanding environments.
Source your Siemens automation components from Stanlo Automation, a veteran-owned business committed to quality and customer satisfaction.
Technical specifications
| Poles | 3 |
| Coil Voltage | 24V AC |
| AC-3 Rating | 25A |
| Power | 11 kW |
| Size | S0 |
Common applications
Motor Control
Industrial Automation
HVAC
Pump Control
Compressor Control
Compatible systems
Compatible with Siemens overload relays and auxiliary contact blocks.
Also known as
Siemens SIRIUS 3RT1025-3B
Replaces / compatible with
This is a standard power contactor and can be used as a direct replacement for other Siemens 3RT1025 series contactors with compatible coil voltages and ratings.
Technical note
Expert tip
Ensure proper wiring for the 24V AC coil to prevent damage.What happens next?
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Frequently asked questions
What are the main specifications of the Siemens 3RT1025-3B?
The Siemens 3RT1025-3B is a 3-pole power contactor with a 24V AC coil. It is rated for AC-3 applications at 25A and has a power rating of 11 kW. It belongs to the SIRIUS series and is size S0.