Buy genuine Siemens 3RV1011-1KA10 online for your automation system
The Siemens 3RV1011-1KA10 is a reliable manual motor protector from the Siemens Sirius series, designed to safeguard motors with a thermal-magnetic trip mechanism adjustable between 9 to 12.5 amps. This motor starter protector features an ON/OFF rocker switch, class 10 overload trip characteristics, and is DIN rail mountable for easy installation. Its robust construction includes bimetallic heating elements for overload protection and a unique fourth bimetallic strip to prevent nuisance tripping caused by panel temperature rise. Additionally, it is phase loss sensitive, which quickly trips in under 10 seconds to prevent motor damage, making it ideal for industrial motor protection applications. Its compact design and reliable performance suit a wide range of automation and motor control systems.
Key Features of Siemens 3RV1011-1KA10
- Adjustable thermal overload protection from 9 to 12.5 amps
- Class 10 trip curve for quick, reliable overload response
- Phase loss sensitive to prevent motor damage
- Manual ON/OFF rocker mechanism with lockout feature
- Magnetic short-circuit trip for additional motor protection
- Screw terminal connections for secure wiring
- Compact footprint, mountable on a standard 35mm DIN rail
- Optional auxiliary contacts available for motor disconnection or signaling
- Ambient temperature compensation to avoid false trips
Technical Specs of 3RV1011-1KA10
Explore Siemens 3RV1011-1KA10 datasheet for detailed parameters to ensure system compatibility.
| Specification |
Details |
| Rated Current |
9 to 12.5 A adjustable |
| Trip Class |
Class 10 |
| Dimensions (HxWxD) |
90 mm x 45 mm x 75-81 mm |
| Enclosure Type |
IP20 |
| Frame Size |
3RV1/S00 |
| Frequency Rating |
50/60 Hz |
| Connection |
Screw terminals |
| Mounting |
DIN Rail |
Applications / Use Case
This Siemens 3RV1011-1KA10 is commonly used in industrial automation environments to provide dependable motor protection. It is widely implemented within production line systems, pump panels, HVAC motor controls, and factory control panels. Its reliable trip characteristics and phase loss sensitivity ensure that critical motors are effectively shielded from overload, short circuits, and phase loss conditions. This motor protector is an excellent choice for process control and machine automation setups requiring consistent motor safety and system uptime.
Price & Availability
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