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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RN1000-1AM00 |
| Alternative Part Number | 3RN10001AM00 |
| Manufacturer | Siemens |
| Type of Voltage | AC |
| Supply Voltage Frequency | 50/60 Hz |
| Control Supply Voltage | 230 V at 50 Hz / 230 V at 60 Hz |
| Number of Measuring Circuits | 1 |
| Number of Change-over Contacts | 1 (for auxiliary contacts) |
| Measurable Temperature Range | 60°C to 180°C |
| Display Type | LED |
| Protection Class | IP20 |
| Connection Type | Screw-type terminals |
| Width | 22.5 mm |
| Height | 83 mm |
| Depth | 91 mm |
| Product Function | Auto-reset feature, no reclosing interlock, no defect storage, no external reset functionality |
| Ambient Operating Temperature | -25°C to +60°C |
| Approvals/Certificates | EMC (Electromagnetic Compatibility) |
The Siemens 3RN1000-1AM00 is a compact thermistor motor protection unit designed to safeguard motors from potential overheating. This evaluation device is engineered to work with a single measuring circuit and is equipped with an automatic reset function, enhancing its operational efficiency. It operates on an AC supply voltage of 230V, with a frequency range that accommodates both 50Hz and 60Hz, making it versatile for various industrial applications.
The unit's temperature measurement capabilities range from 60°C to 180°C, providing a broad spectrum for monitoring motor temperatures. The 3RN1000-1AM00 features a changeover contact for auxiliary contacts, but does not include normally closed (NC) or normally open (NO) contacts, which simplifies its design and function.
With an IP20 protection class, the device is suitable for general industrial environments where direct contact with the equipment is not common. The compact dimensions, with a width of 22.5mm, height of 83mm, and depth of 91mm, allow for easy integration into electrical control panels without requiring excessive space.
The LED display offers clear indication of the operational status, and the screw-type terminals ensure a secure and reliable electrical connection. The absence of a reclosing interlock and defect storage streamlines the functionality of the unit, focusing on its primary role of motor protection.
This thermistor motor protection unit is a practical choice for those seeking a straightforward and effective solution to prevent motor overheating, thereby extending the lifespan of their motor-driven equipment.
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Frequently Asked Questions
What is the function of this thermistor motor protection unit?
The thermistor motor protection unit is designed to safeguard motors from overheating by monitoring the temperature via connected thermistors and triggering a switch-off mechanism if a critical temperature is reached.
Can this device be used with any motor brand?
Yes, it can be used with various motor brands as long as the motor is equipped with thermistors that are compatible with the evaluation unit's specifications.
What type of voltage is required for this unit?
The unit requires an AC voltage supply, specifically at a rated value of 230 V, either at 50 Hz or 60 Hz.
Is there an auto-reset feature on this device?
Yes, the device includes an auto-reset feature, which allows it to automatically reset after a fault condition has been cleared.
What is the temperature range that can be measured by this unit?
The unit can measure temperatures ranging from 60°C to 180°C.
What type of electrical connection does this unit have?
The unit features a screw-type electrical connection for both auxiliary and control current circuits.
What is the IP rating of this thermistor motor protection unit?
The unit has an IP20 protection class rating, indicating it is protected against solid objects larger than 12.5 mm but not against water.
What are the dimensions of this compact evaluation unit?
The unit measures 83 mm in height, 22.5 mm in width, and 91 mm in depth.
Does this unit have any certifications or approvals?
Yes, the unit has general product approvals including EMC for use in hazardous locations, along with various test certificates and environmental confirmations.
How can I mount this thermistor motor protection unit?
The unit can be mounted using screw and snap-on mounting methods, providing flexibility for installation in different environments.
