YBX3 Dust-Proof Explosion-Proof Three-Phase Asynchronous Motor
+
  • YBX3 Dust-Proof Explosion-Proof Three-Phase Asynchronous Motor

YBX3 Dust-Proof Explosion-Proof Three-Phase Asynchronous Motor

Category:

Dust-proof Explosion-proof Motor

The YBX3 Series Explosion-Proof Three-Phase Asynchronous Motors (Frame Sizes 63 to 355) (hereinafter referred to as the motors) are manufactured as explosion-proof types in compliance with GB3836.1-2021 “Explosive Atmospheres - Part 1: Equipment - General Requirements” and GB3836.2-2021 “Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures ‘d’”. with explosion-proof marking II 2G Ex tb IIIC T T135°C Db. They are suitable for use in industrial facilities with combustible dust or combustible fly-fuzz.

Keywords:

YBX3 Dust-Proof Explosion-Proof Three-Phase Asynchronous Motor

Details

Overview

The YBX3 Series Explosion-Proof Three-Phase Asynchronous Motors (Frame Sizes 63 to 355) (hereinafter referred to as the motors) are manufactured as explosion-proof types in compliance with GB3836.1-2021 “Explosive Atmospheres - Part 1: Equipment - General Requirements” and GB3836.2-2021 “Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures ‘d’”. with explosion-proof marking II 2G Ex tb IIIC T T135°C Db. They are suitable for use in industrial facilities with combustible dust or combustible fly-fuzz. 
The motor's electrical performance complies with the provisions of JB/T7565.1-2011 “Technical Conditions for Flameproof Three-Phase Asynchronous Motors - Part 1: YB3 Series Flameproof Three-Phase Asynchronous Motors (Frame Sizes 63~355)”. Efficiency meets Level 3 energy efficiency as specified in GB18613-2020 “Energy Efficiency Limiting Values and Energy Efficiency Grades for Small and Medium-sized Three-Phase Asynchronous Motors”.

Basic Parameters

Rated Voltage: 208V, 220V, 230V, 240V, 345V, 380V, 400V, 415V, 440V, 460V, 480V, 525V, 550V, 660V, 690V, 750V, 1140V, 208/240V, 220/440V, 220/380V, 230/400V, 240/415V, 380/460V, 400/690V, 415/720V, 380/660V, 660/1140V, 220/440/380V
Rated Frequency: 50Hz, 60Hz, 70Hz
Power Range: 0.55-375 kW
Insulation Class: F
Protection Rating: IP65
Explosion-Proof Rating: II 2G Ex tb IIIC T135°C Db

Application Scope and Operating Conditions

1. Ambient air temperature varies seasonally but does not exceed 40°C.
2. Altitude does not exceed 1000 m.
3. Maximum relative humidity of ambient air does not exceed 95%.
4. Motor ratings are continuous ratings based on continuous duty (S1), permitting full-voltage starting.
5. Motors employ F-class insulation. Stator winding temperature rise (resistance method) is rated at 80K (except for 2- and 4-pole frames 315L and frame 355, which may be rated at 105K).

Special Environmental Conditions

W Outdoor type,
TH Humid tropical type,
THW Outdoor humid tropical type,
TA Dry tropical type,
TAW Outdoor dry tropical type,
T Tropical type,
TW Outdoor tropical type, and
WF1 Outdoor moderate corrosion-resistant type.

Product Selection Guide

1. Explosion-proof type: II 2G Ex db I Mb Suitable for coal mines
2. Explosion-proof type: II 2G Ex db IIB T4 Gb.  Suitable for factory environments with Class IIB explosive gas mixtures (propane, ethylene) in temperature groups T1, T2, T3, and T4.
3. Explosion-proof type: II 2G Ex db IIC T4 Gb. Suitable for factory environments with Class IIC explosive gas mixtures in temperature groups T1, T2, T3, and T4 (hydrogen, propane, ethylene)
4. Explosion-proof type: II 2G Ex tb IIIC T135°C Db Suitable for factory environments with combustible dust and combustible fly ash (e.g., feed, textile, flour, cement, etc., where dust is generated) cement, etc., where dust is generated).
5. Explosion-proof type: II 2G Ex d IIC T4 Gb/II 2G Ex tb IIIC T135°C Db
Suitable for industrial facilities with combustible gases, as well as combustible dust and combustible fly ash (e.g., feed, textile, flour, cement, etc., where dust is generated).

Online Consult

Please leave your contact information, and our specialist will get in touch with you as soon as possible!