YBX4 Explosion-Proof Motor
Catalog-listed models cover frame sizes H80–H355 and outputs from 0.18 to 315 kW. The series features Class F insulation, IP55 enclosure protection, IC411 cooling, and S1 continuous duty.
Select the motor according to the required power, speed, supply voltage, mounting arrangement, and operating conditions. For hazardous locations, confirm that the supplied motor’s explosion-protection marking and certificate match the site requirements.
Before installation or replacement, verify the shaft dimensions, mounting interfaces, overall size, and cable-entry requirements using the model-specific drawings and documentation.ration.
| Parameter | Specification |
|---|---|
| Product Series | YBX4 |
| Motor Type | Flameproof Three-Phase Induction Motor |
| Rated Output | 0.18–315 kW, based on catalog-listed models |
| Rated Voltage | 380/660 V in the technical tables; other listed voltage configurations require confirmation |
| Rated Frequency | 50 Hz |
| Number of Speeds | 2, 4, 6 or 8 in the detailed technical tables; 10-pole options shown in the selection table |
| Rated Speed | Refer to the model-specific nameplate |
| Rated Current | Refer to the model-specific technical data and supply voltage |
| Efficiency Class | IE4 at 50 Hz; Grade 2 under GB 18613-2020, as stated in the catalog |
| Rated Efficiency | Refer to the model-specific technical data |
| Power Factor | Refer to the model-specific technical data |
| Winding Connection | Δ/Y for the tabulated 380/660 V models; follow the supplied wiring diagram |
| Rated Duty | S1 — Continuous Duty |
| Parameter | Specification |
|---|---|
| Frame Size | H80–H355, depending on model |
| Mounting Arrangement | IM B3, IM B5, IM B35, IM B14, IM B34 and IM V1 shown in the drawings; availability depends on frame size |
| Shaft Diameter | 19–95 mm, depending on frame size and pole count |
| Shaft Extension | 40–170 mm, depending on frame size and pole count |
| Key / Keyway Dimensions | Refer to dimensions F and G in the model-specific drawing |
| Bearing Arrangement | To be confirmed by manufacturer |
| Net Weight | Refer to catalog-listed model weight; net weight basis to be confirmed |
| Overall Dimensions | Refer to the model-specific dimensional drawing |
Provide the required power, voltage, frequency, speed, mounting arrangement, and operating duty. For hazardous locations, include the site classification and required explosion-protection marking.
No. Suitability depends on the exact protection marking, equipment group, temperature class, equipment protection level, and certificate. Confirm these against the site requirements before selection.
The catalog states IE4 efficiency at 50 Hz and Grade 2 under GB 18613-2020. Check the efficiency data and supporting documentation for the selected model.
The detailed technical tables list 380/660 V at 50 Hz. Other voltage configurations are mentioned in the catalog, but availability and corresponding ratings must be confirmed.
Check the electrical ratings, starting performance, shaft dimensions, mounting interfaces, overall size, and cable entries. For hazardous locations, the replacement must also meet the required explosion-protection classification.bility.