ABB 3GJM311220-AEG 3-Phase Squirrel Cage Motor - Exd
Part Number: 3GJM311220-AEG
Quick Summary
ABB 3GJM311220-AEG 3-Phase Squirrel Cage Motor is built for reliable, explosion-protected operation in demanding mining and industrial environments. This motor addresses the common pain point of balancing safety with uptime, delivering robust performance where hazardous atmospheres are present. It carries critical certifications and ratings that matter in the field, including Exd flameproof protection, Exdb explosion protection, and IP66 enclosure, plus IC411 insulation. With a 315 frame in cast iron, it withstands tough thermal and mechanical conditions while maintaining consistent output. The motor also aligns with IE2 energy efficiency targets, supporting lower operating costs and improved lifecycle economics for engineered systems and maintenance planning.
Product Information
ABB Type Designation
M3JM 315SMB 2
Invoice Description
M3JM 315SMB 2
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
85015381
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%) 95.1 % | Partial Load (75%) 94.8 % | Partial Load (50%) 93.6 %
IP Class
IP66
Insulation Class
ICLF
Direction of Rotation
Both sides
Number of Poles (High)
2
Two Speed Motor
No
Type of Duty
S1
Voltage Code
E
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
315
Bearing
6316/C3
Bearing NDE
6316/C3
IM Class
IMB3 IM1001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
962 kg
Gross Weight
982 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Exd/Exdb flameproof protection reduces ignition risk in hazardous environments, delivering regulatory compliance and lower downtime in mining and processing facilities. This translates to safer startup and reduced insurance exposure, enabling production teams to operate with confidence in explosive atmospheres. In practice, installations near dusty conveyors and underground equipment benefit from proven flameproof performance that minimizes risk during routine maintenance and emergency shutdowns. The business impact is clear: safer operations, fewer incident-driven outages, and improved asset utilization in mining corridors and refineries. Applications include underground conveyors, ore crushers, and pump stations where explosion protection is mandatory and downtime is costly.
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FAQs
For hazardous environments, install with Exd flameproof protection and a suitable Exdb variant as specified. Ensure the termination box is accessible from the top and that the motor is mounted on a compatible base to maintain alignment. Verify cable glands and grounding are compliant with ATEX/IECEx guidelines and maintain adequate clearance for heat dissipation in a dust-prone, high-temperature setting.
IE2 performance is rated at Full Load (100%) around 95.1% efficiency, with Partial Load (75%) near 94.8% and Partial Load (50%) near 93.6%. These figures translate to meaningful energy savings during steady-state operation and during variable loads typical of conveyors, pumps, and fans in mining and industrial applications.
Yes. The motor features Exd/Exdb explosion protection, IP66 enclosure, and a rugged cast-iron frame, making it well-suited for underground and surface mining equipment, crushers, and pump stations where hazardous atmospheres and tough environments are present.
Key certifications include Exd flameproof protection and Exdb explosion protection, IP66 enclosure, IC411 insulation class, and ATEX/IECEx compliance potential. The motor also meets industrial standards for heavy-duty use and is designed for operations up to 1000 m altitude at 40 °C ambient.
The high IE2 efficiency reduces energy costs over the motor’s life, while rugged cast-iron construction and IP66/Ex protection minimize unplanned downtime. Maintenance focuses on bearing checks (6316/C3) and periodic insulation inspections, with longer service intervals in harsh climates, improving uptime and overall ROI for mining or heavy industry projects.