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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RM1102-1AA04 |
| Alternative Part Number | 3RM11021AA04 |
| Manufacturer | Siemens |
| Product Category | Motor Starter |
| Product Family | SIRIUS 3RM1 |
| Product Designation | Fail-safe Direct Starter |
| Operating Voltage | 48 to 500 V |
| Control Supply Voltage | 24 V DC |
| Current Range | 0.4 - 2 A |
| Power Range | 0.09 - 0.75 kW |
| Trip Class | CLASS 10A |
| Protection Class IP | IP20 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (Width x Height x Depth) | 22.5 mm x 100 mm x 141.6 mm |
| Ambient Temperature Operation | -25 to +60 °C |
| Ambient Temperature Storage | -40 to +70 °C |
| Relative Humidity | 10 to 95 % |
| Installation Altitude | Up to 2,000 m above sea level |
| Safety Integrity Level (SIL) | SIL 3 |
| Performance Level (PL) | e |
| Category | 4 |
| Hardware Fault Tolerance | 1 |
| Mean Time To Dangerous Failure (MTTFd) | 75 years |
| Safe Failure Fraction (SFF) | 99.4 % |
| Commodity Code | 85365080 |
The Siemens 3RM1102 Series Dol Starter is a fail-safe direct starter designed to offer reliable and efficient control for motors. Engineered with precision, this starter is suitable for a range of industrial applications, providing electronic overload protection and safety-related disconnection features. With a trip class of CLASS 10A, it ensures prompt response to overload conditions, safeguarding your equipment from potential damage.
This motor starter is capable of handling operating voltages from 48 to 500 V and current ratings from 0.4 to 2 A, making it versatile for various motor sizes within the specified range. The control voltage for the unit is 24 V DC, and it comes with screw-type terminals for both the main and control circuits, facilitating a secure and straightforward installation process.
The compact design of the Siemens 3RM1102 Series Dol Starter, with an IP20 protection class, allows for integration into a variety of control cabinets and motor control centres, while maintaining accessibility for maintenance and adjustments. Its robust construction ensures it can operate effectively within an ambient temperature range of -25 to +60 °C, making it suitable for challenging industrial environments.
This starter's solid-state motor protection feature provides a modern approach to motor management, enhancing the longevity of your motor by preventing issues related to overloads and phase failures. The intrinsic device protection further contributes to the overall safety and reliability of the unit.
Whether you're looking to control pumps, fans, compressors, or conveyor belts, the Siemens 3RM1102 Series Dol Starter is engineered to deliver consistent performance, ensuring your operations run smoothly and efficiently.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What is the voltage range for operating this direct starter?
The operating voltage range for the Siemens 3RM1102 Series direct starter is 48 to 500 V.
Can this starter be used with three-phase motors?
Yes, this fail-safe direct starter is suitable for use with three-phase motors, supporting operating powers from 0.09 to 0.75 kW at 400 V and 50 Hz.
What type of motor protection does this starter offer?
The starter is designed with electronic overload protection and safety-related disconnection, providing solid-state motor protection.
What is the control supply voltage for this device?
The control supply voltage for this device is 24 V DC.
What are the ambient operating temperature limits for this starter?
The ambient operating temperature range for this starter is from -25 to +60 degrees Celsius.
What is the maximum operating frequency of this direct starter?
The maximum operating frequency of the direct starter is 1 1/s.
What is the installation altitude limit for this device?
The installation altitude limit for this device is up to 2,000 meters above sea level.
What type of electrical connections does this starter use?
This starter uses screw-type terminals for both the main circuit and the control circuit.
What is the mechanical service life of this direct starter?
The typical mechanical service life of this direct starter is 30 million switching cycles.
What are the dimensions of this direct starter?
The dimensions of the direct starter are 22.5 mm in width, 100 mm in height, and 141.6 mm in depth.
