SKU: 82172
| Attribute | Details |
|---|---|
| Brand | Siemens AG |
| Series | SIRIUS |
| Product Type | Thermistor Motor Protection Relay |
| Model | 3RN1010-1CW00 |
| Instruction Order No. | 3ZX1012-0RN10-1AA1 |
| Standard Compliance | IEC/EN 60947-8 |
| Rated Insulation Voltage (Ui) | 300 V |
| Impulse Withstand Voltage (Uimp) | 6 kV |
| Auxiliary Contacts Rating | B300 / R300 |
| Torque Range | 7 – 10.3 lb·in |
| Certification | PTB 01 ATEX 3218, II (2) G |
| Application | Motor Temperature Protection, Industrial Motor Safety Systems |
| Additional Codes | GB140485, G/081209 E48-5 |
| Country of Origin | Germany |
| Weight | 120 gm |
The device Siemens Thermistor Motor Protection Relay 3RN1010-1CW00 is made in accordance with the 3RN10 series. The main function of the relay relates to efficient thermal protection of drives and transformers. Protection relay operates together with positive temperature coefficient thermistors installed in the electric motors.
The described protective device can be efficiently used in automation, control cabinets of motors, and other applications.
Key Features:
1. Motor Temperature Detection Directly: Employing PTC sensors inside the winding of the motor for accurate detection instead of indirect thermal protection based on current.
2. Supply Voltage Compatibility (24–240V AC/DC): Compatible with 24 to 240 volts alternating or direct current supply voltage range.
3. Two Relay Outputs (NO & NC): Offers two relay outputs which can be used for switching and signaling purposes.
5. DIN Rail Mount Slim Design: Slim design measuring only 22.5 millimeters width, suitable for mounting on a DIN rail.
7. Industrial Rated (IP20): Rated IP20 making it compatible with panel mount applications.
8. ATEX Compliant (Selected Models): ATEX certified making it suitable for applications requiring explosion-proof protection.
Applications:
1. Electric Motor Overload Protection: Protects motors in pumping systems, compressor systems, conveyor systems, and fan systems from overheating.
2. Transformer Winding Temperature Control: Maintains proper temperature control in transformer windings to prevent insulation breakdown.
3. Industrial Automation Systems: Installed within PLC/DCS automation systems for automatic shutdown and alarming.
4. Oil and Gas Applications & Hazardous Locations: Suitable for ATEX approved locations for protecting electric motors.
5. HVAC & Refrigeration Applications: Offers protection against excessive heating of compressors and cooling units.
6. Manufacturing Plants: Guarantees safety in manufacturing plants that operate continuously.
Explore our wide range of Siemens industrial automation and electrical control solutions designed for reliable performance, advanced protection, and efficient system integration by visiting our dedicated Siemens brand page.
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