ABB 3GJM311220-BDG 3-Phase Squirrel Cage Motor - Exd
Part Number: 3GJM311220-BDG
Quick Summary
ABB 3GJM311220-BDG 3-Phase squirrel cage motor is designed for demanding mining and heavy industrial drives. Engineers confront dusty, moist, and high-start-stop conditions that erode uptime and drive maintenance costs. This motor integrates Exd flameproof protection, IP66 enclosure, and IC411 insulation to meet explosion protection standards while withstanding 40 °C ambient and up to 1000 m altitude. Its IE2 efficiency rating and rugged cast-iron frame translate into lower energy consumption and longer service life, reducing total cost of ownership. With a 315 frame and 2-pole design, it aligns with common mining equipment and provides reliable operation across continuous S1 duty, where predictable torque and speed matter.
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%) 94.7 % | Partial Load (50%) 93.4 %
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
D
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
315
Bearing
6316/C3
Bearing NDE
6316/C3
IM Class
IMB5 IM3001
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 flameproof protection combined with an IP66 enclosure delivers safer operation in explosive atmospheres, reducing compliance risk and enabling installation in harsh mining environments. The business impact is clear: safer sites, lower downtime, and less costly incident remediation, applied directly to conveyors and material-handling equipment. The energy profile leverages IE2 efficiency (Full Load ~95.1%), cutting running costs on long shifts and improving overall plant efficiency in continuous operation scenarios. The rugged 315 frame, cast-iron construction, and 6316/C3 bearings provide extended service life under vibration and dust, translating to fewer bearing replacements and lower maintenance labor. The motor’s Exdb protection and IC411 insulation support regulatory compliance while enabling reliable starts in remote locations. Top terminator box access simplifies wiring during installation and future servicing, reducing commissioning time and on-site risk. Altitude tolerance up to 1000 m and 40 °C ambient further broaden deployment in surface and underground settings. Compatibility with standard drives in S1 duty ensures seamless integration with existing electrical infrastructure, helping plants avoid costly retrofits and enable scalable expansion.
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FAQs
For hazardous environments, install the ABB 3GJM311220-BDG as a top-terminated, explosion-protected unit with Exdb flameproof protection and an IP66 enclosure. Use a compatible base or mounting arrangement for the 315 frame and 2-pole design, and select a suitable 50/60 Hz supply per Voltage Code D. Ensure wiring follows local safety standards and that the motor is connected to a compliant drive system for S1 duty.
The motor operates at IE2 efficiency with a continuous S1 duty profile. Full-load efficiency is 95.1%, with partial-load values of 94.7% at 75% and 93.4% at 50% load. It is a 2-pole machine designed for continuous operation, suitable for mining conveyors and other steady, long-run applications. These specs support predictable energy consumption and reliable performance in demanding environments.
Yes. The ABB 3GJM311220-BDG is a 3-phase squirrel cage motor in a 315 frame with Exd flameproof protection and IP66 enclosure, specifically designed for mining and other heavy-industrial applications. Its 2-pole configuration provides strong starting torque for conveyors, crushers, and material-handling equipment, while the rugged cast-iron frame and high-duty insulation support long service life in harsh mining environments.
This motor features Exdb explosion protection and an IP66 enclosure, certified for hazardous environments. It also uses IC411 insulation and is compatible with mining and heavy-industrial standards. The combination of flameproof protection, enclosure rating, and insulation ensures safer operation, regulatory compliance, and safer maintenance access in explosive atmospheres and challenging installations.
Expect lower maintenance due to the robust cast-iron frame, bearings rated 6316/C3, and IMB5 IM3001 mounting class, which resist vibration and wear. The IE2 efficiency reduces energy costs, contributing to a favorable return on investment in continuous 24/7 operations. Durable construction and explosion protection minimize downtime, while the top-access terminator box speeds maintenance and reduces on-site labor.