THREE-PHASE ELECTRIC MOTOR B5
A B5 three-phase electric motor is a type of alternating current motor that operates on three phases of electricity and is characterized by a specific design of its housing and mounting flanges.
Applications: hydraulic pumps, compressors, fans, heavy machinery, processing machinery, conveyors and many others.
Main features :
- 230/400VAC 50/60 Hz 4 Poles 1500 rpm
- Manufactured under IEC standards
- Lightweight, durable and corrosion-resistant aluminum casing.
- Enameled copper winding with thermosetting varnish impregnation.
- B5 type front flange, precision machined for direct couplings.
- IP55 protection rating
- IE1/IE3 Efficiency
- Class F insulation
B5 Three-phase electric motor
The B5 three-phase electric motor is an asynchronous AC machine designed to operate with a 230/400 V AC three-phase power supply at 50/60 Hz . Its B5 configuration with a front flange complies with IEC 60072 , allowing for direct and centered coupling with pumps, gearboxes, compressors, and other industrial equipment requiring precise alignment and high mechanical rigidity .
The B5 three-phase motor is specially designed to be integrated into industrial systems that require precise and compact couplings, offering mechanical reliability , energy efficiency and dimensional compatibility with European IEC standards.
Technical specifications
- High starting torque and stable operation under constant load.
- Silent operation , with minimal vibration.
- High energy efficiency in accordance with IE1 or IE3 levels.
- Low maintenance , thanks to its robust design and sealed components.
Recommended applications of the B5 three-phase electric motor
- Hydraulic pumps and motor pump units.
- Industrial compressors.
- Fans and extractors.
- Process and transport machinery.
- Agricultural and industrial machinery.
- Automation and handling equipment.
Technical specifications of the B5 three-phase electric motor:

| Ref. | Power | G | G1 | L | LB | M | N | P | Q | S | F | D | AND | AF | LC | b | t | d |
| 481705 | 0.5 HP | 140 | 109 | 245 | 215 | 130 | 110 | 160 | 9 | 3.5 | 9.5 | 14 | 30 | 75 | 275 | 5 | 16 | M 5x12 |
| 481710 | 1 CV | 160 | 124 | 276 | 236 | 165 | 130 | 200 | 9 | 3.5 | 11.5 | 19 | 40 | 90 | 325 | 6 | 21.5 | M 6x15 |
| 481715 | 1.5 HP | 171 | 129 | 300 | 250 | 165 | 130 | 200 | 10 | 3.5 | 11.5 | 24 | 50 | 90 | 358 | 8 | 27 | M 8x20 |
| 481720 | 2 CV | 171 | 129 | 325 | 275 | 165 | 130 | 200 | 10 | 3.5 | 11.5 | 24 | 50 | 90 | 382 | 8 | 27 | M 8x20 |
| 481730 | 3 CV | 193 | 140 | 370 | 310 | 215 | 180 | 250 | 11 | 4 | 14 | 28 | 60 | 90 | 425.5 | 8 | 31 | M 10x25 |
| 481740 | 4 CV | 217 | 152 | 388 | 328 | 215 | 180 | 250 | 12 | 4 | 14 | 28 | 60 | 90 | 454 | 8 | 31 | M 10x25 |
| 481755 | 5.5 HP | 217 | 152 | 438 | 378 | 215 | 180 | 250 | 12 | 4 | 14 | 28 | 60 | 90 | 504 | 8 | 31 | M 10x25 |
| 481775 | 7.5 HP | 259 | 178 | 445 | 365 | 265 | 230 | 300 | 14 | 4 | 14 | 38 | 80 | 105 | 545.5 | 10 | 41.5 | M 12x30 |
| 4817100 | 10 HP | 259 | 178 | 485 | 405 | 265 | 230 | 300 | 14 | 4 | 14 | 38 | 80 | 105 | 583.5 | 10 | 41.5 | M 12x30 |