www.jsyali.com.cn YALI YBBP SERIES TBVF SERIES EXPLOSION PROOF VARIABLE FREQUENCY SPEED REGULATION THREE-PHASE PERMANENT MAGNET SYNCHRONOUS MOTOR )S^hS“d”«^WiS#»vGB/T 3836.3-2021 M3gB^: E&ifSM “e”f£JPWi£&>>, #fr£JB/T 12881-2016 YBBP series high-voltage explosion-proof variable frequency speed regulation three-phase asynchronous motor, suitable for driving mechanical equipment in coal mines. This series of motors complies with GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures", GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type” e "", and meets the requirements of JB/T 12881-2016 "Technical Conditions for YBBP Series High Voltage Explosion proofVariable Frequency Speed Control Three phase Asynchronous Motors (Machine Base Number 355-630)". The explosion-proof mark Ex db I Mb for electric motors is applicable to coal mine environments containing methane and coal dust explosion hazards. The TBVF series explosion-proof variable frequency speed regulation three-phase permanent magnet synchronous motor is suitable for driving belt conveyors or conveyor rollers underground in coal mines. This series of motors complies with the requirements of GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures", and GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type" e"". The explosion-proof mark Ex db I Mb for electric motors is applicable to coal mine environments containing methane and coal dust explosion hazards. Rated power Number of poles Rated voltage Rated frequency Variable frequency range Work duty Thermal classification Ingress protection Explosion proof grade Cooling method Thermal element Rated power Rated voltage Rated frequency Variable frequency range Work duty Thermal classification Ingress protection Explosion proof grade Cooling method Cooling water temperature Thermal element Thermal element