Frequently Asked Questions (FAQ): 
Q1: What is the basic description of the YBX3 series low voltage motor?
A: The YBX3 series is a low-voltage, explosion-proof three-phase asynchronous motor. It features a reasonable structure, advanced technology, and is known for its low noise, small vibration, and easy installation. It is primarily used to drive heavy equipment in explosive atmospheres.
Q2: What is the frame size and output power range?
A: The motor is available in frame heights (H) from 80mm to 355mm. The output power range is from 0.75 kW to 355 kW, covering a wide spectrum of low to medium power applications.
Q3: What are the voltage and frequency specifications?
A: It operates on a low-voltage supply, with a range from 220V to 1140V. The rated frequency is 50Hz / 60Hz, making it suitable for different regional power standards.
Q4: What is the speed range available?
A: The motor is available with 2 to 12 poles, offering a variety of synchronous speeds for different application requirements.
Q5: What does "Explosion-Proof" and "IP55" mean for protection?
A:
- Explosion-Proof: The motor is certified for use in hazardous locations where flammable gases or dusts may be present. Its enclosure is designed to contain an internal explosion without igniting the surrounding atmosphere.
- IP55: This indicates a high degree of protection against solid objects and water. It is dust-protected (5) and can withstand water jets from any direction (5), ensuring reliable operation in harsh and dirty environments.
Q6: What are the insulation and cooling methods?
A:
- Insulation Class: The motor uses Class F/B or H/B insulation materials, which are designed to withstand high operating temperatures, ensuring long service life and reliability.
- Cooling Method: It is IC411, which means it is Totally Enclosed Fan Cooled (TEFC). The motor is completely enclosed and cooled by an external fan on the shaft.
Q7: What are the standard installation methods?
A: The standard installation types are IMB3 (foot-mounted), IMB35 (foot-mounted with a flange), and IMB5 (flange-mounted). This offers flexibility for different mechanical layouts.
Q8: What is the duty cycle and what are the operating environment conditions?
A:
- Duty Cycle: S1, which means it is designed for continuous operation.
- Ambient Temperature: It can operate in environments from -30°C to +40°C.
- Altitude: It is rated for installations at an altitude of less than 1000 meters above sea level.
Q9: Where is this motor typically used?
A: It is ideally applied to drive various industrial equipment, including:
- Fan machines
- Compressors
- Pumps
- Crushers