ABB 3GJM254220-ADG 3-Phase squirrel cage motor - Exdb
Part Number: 3GJM254220-ADG
Quick Summary
ABB 3GJM254220-ADG is a robust 3-Phase squirrel cage motor designed for heavy industrial and mining applications. It addresses downtime and reliability challenges by offering rugged construction, top-access wiring, and long-life bearings for continuous operation. Key certifications and ratings include IP66 ingress protection, Exdb explosion protection, and flameproof Exd motor design suitable for mining environments, along with IE2 efficiency. This combination delivers lower lifecycle costs, easier maintenance, and safer operation in harsh sites, while compatibility with 250 frame and top-mounted terminal box supports fast field replacement and straightforward installation, further supporting project timelines and budget adherence.
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
D
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
250
Bearing
6315/C3
Bearing NDE
6313/C3
IM Class
IMB3 IM1001
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
The M3JM 250SMB 8 motor uses a cast iron frame (250) and heavy-duty bearings (6315/C3 with 6313/C3 NDE) to resist shock, vibration, and long-duty cycling common in mining conveyors and hoisting systems. This translates to higher uptime and reduced maintenance windows, enabling engineers to meet production targets and minimize unplanned downtime in critical material handling. With IP66 protection and Exdb safety, the motor maintains performance in dusty, humid environments while meeting hazardous-location requirements, which reduces risk and simplifies regulatory compliance. The 8-pole, IE2-rated design delivers solid torque and energy efficiency across full and partial load profiles, contributing to meaningful operating-cost reductions over the asset lifecycle. Top terminator box access simplifies wiring and field service, improving installation speed and reducing commissioning time in harsh sites. The unit’s 1000 m altitude and 40 °C ambient tolerance provide reliable operation in elevated plants, enabling standardized installations across multiple sites. Frame size 250 and cast-iron construction also support straightforward spare-part stocking and long-Term service programs. Overall, this motor aligns with industry best practices for flameproof mining motors, delivering predictable performance, safety, and TCO advantages for heavy-industry projects.
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FAQs
This ABB motor uses a top-mounted terminator box for wiring access, a rugged cast iron frame, and an 8-pole configuration to ensure secure mounting and reliable operation under heavy loads. Plan for IP66 protection and Exdb safety in hazardous mining environments, and verify altitude limits (1000 m) and ambient temperature (40 °C) during setup to ensure compliant, easy field servicing.
The motor delivers IE2 efficiency with Full Load (100%) at 90.3%, Partial Load (75%) at 90.4%, and Partial Load (50%) at 88.8%. With eight poles and a 250 frame, it offers solid torque with manageable starting currents, supporting steady operation under continuous S1 duty and enabling energy savings across typical mining and heavy industry profiles.
Yes. The motor is designed for hazardous locations with Exdb explosion protection and Exd flameproof concepts, complemented by an IP66 enclosure. This combination supports safe operation in explosive atmospheres commonly found in mining and processing plants, while maintaining reliability for conveyors, crushers, and other heavy-duty equipment.
Key mechanical details include a cast iron frame (size 250), bearing pairs 6315/C3 and 6313/C3, and IM class IMB3 IM1001. The terminator box is located on top, with a net weight of 521 kg and gross weight of 531 kg. These specifications support straightforward base or foot mounting and quick field installation in demanding sites.
Origin is Finland (FI) with customs tariff number 85015230, and WEEE category 4. The UNSPSC code is 26101100. These details help with import classification, regulatory compliance, and end-of-life planning, aligning procurement with sustainability goals and standard supply-chain processes.