ABB 3GJM254220-BSG 3-Phase Motor - Exdb IP66
Part Number: 3GJM254220-BSG
Quick Summary
ABB 3GJM254220-BSG is a rugged 3-phase squirrel cage motor for mining and heavy-duty drives. Operators often struggle with downtime and maintenance costs in harsh underground environments, where explosion risk and high ambient temperatures challenge equipment reliability. This motor delivers Exdb flameproof protection and IP66 ingress protection, backed by robust IEC performance and long-life bearings. With IE2 efficiency and a cast-iron frame designed for industrial wear, it helps reduce energy use and total cost of ownership. The combination of certified safety features and industry-standard dimensions supports easier integration with existing coal and metal mine systems, belt-driven lines, and vertical hoists, delivering tangible business value.
Product Information
ABB Type Designation
M3JM 250SMB 8
Invoice Description
M3JM 250SMB 8
Product Name
3-Phase squirrel cage motor
Product Type
3JM2__M3JM_IE2_Group_I_Flameproof_Exd_mining_motor
Made To Order
No
Minimum Order Quantity
1 piece
Order Multiple
1 piece
Selling Unit of Measure
piece
Country of Origin
Finland (FI)
Customs Tariff Number
85015230
Electrical Data
Temperature Class Default
--
Altitude
1000 m
Ambient Temperature
40 °C
IC Class
IC411
IE Class Data (50 Hz)
IE Class IE2 | Full Load (100%) 90.3 % | Partial Load (75%) 90.4 % | Partial Load (50%) 88.8 %
IP Class
IP66
Insulation Class
ICLF
Direction of Rotation
Both sides
Number of Poles (High)
8
Two Speed Motor
No
Type of Duty
S1
Voltage Code
S
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
250
Bearing
6315/C3
Bearing NDE
6313/C3
IM Class
IMB5 IM3001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
521 kg
Gross Weight
531 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature → Business Impact → Application: Exdb flameproof protection provides inherent safety in explosive atmospheres, reducing the risk of ignition and enabling operation in mining zones where ignition-proving equipment is mandatory. This translates to lower insurance costs, regulatory compliance, and safer workforce practices, ideal for underground conveyors and hoisting systems. Feature → IP66 enclosure ensures dust-tight and water-resistant protection, supporting reliable performance in dusty tunnels and washdown environments while minimizing downtime. Application: surface and underground mining equipment, cement plants, and processing lines. Feature → IE2 efficiency class delivers measurable energy savings under full and partial load, reducing operating costs and heat generation in continuous-motion mills and ventilation fans. Application: large conveyors and processing motors. Feature → Cast-iron frame and IMB5 IM3001 construction enhance durability under shock loads and misalignment common in head-end rooms and rugged installations. Application: heavy-duty mining and metal processing drives. Feature → Top terminator box location simplifies wiring and service access, shortening installation time and facilitating maintenance. Application: retrofit projects and new builds where field serviceability matters. Feature → 8-pole design provides robust torque and smooth operation at low speeds, suitable for hoists and crushers that require precise control. Application: mining hoisting, shredders, and crusher feeders. Feature → IC411 insulation and IP66 protection together ensure reliable operation at ambient temperatures up to 40 °C and altitudes up to 1000 m, supporting global deployment. Application: equipment in high-altitude and hot underground sites. Feature → 250 frame size and 521–531 kg weight balance ensure compatibility with standard mounting patterns and stable performance on heavy-duty rigs. Application: mining plants and mechanical workshops seeking durable, scalable motors.
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FAQs
This motor is designed with Exdb flameproof protection and a top terminator box location to simplify wiring and servicing. Its 250 frame and heavy cast-iron construction fit standard mounting patterns, while the IMB5 IM3001 designation supports gentle alignment during commissioning. Ensure compliance with local mining safety standards and verify that the installation site maintains the ambient limits (40 °C, up to 1000 m).
The ABB 3GJM254220-BSG conforms to IE2 efficiency with full-load performance around 90.3% (as listed for full load, 100%). This translates to meaningful energy savings in continuous-duty applications such as conveyors and grinding mills, while maintaining torque characteristics suitable for mining equipment and hoisting systems.
Yes. The motor is rated Exdb flameproof, IP66 protected, with a 3JM2 IE2 profile suitable for S1 duty. It is designed for demanding mining installations, including underground conveyance and ore processing, where explosion protection and reliable operation are mandatory. The 8-pole design provides robust starting torque for heavy loads.
Key certifications and protections include Exdb flameproof protection, IP66 enclosure, IC411 insulation class, and IE2 efficiency. These features support compliance with safety standards for hazardous locations, water and dust ingress protection, and energy efficiency in industrial environments.
Built with a cast-iron frame and bearings 6315/C3, the motor offers tough durability and reduced maintenance due to rugged construction and high reliability in dusty, humid, or high-temperature environments. This minimizes unplanned downtime, extends service intervals, and lowers total cost of ownership in mining operations.