ABB 3GJM311220-BEG 3-Phase Motor - Exd Flameproof IE2 Mining
Part Number: 3GJM311220-BEL
Quick Summary
ABB 3GJM311220-BEG is a 3-phase squirrel cage motor designed for hazardous environments and mining applications. Maintenance teams often struggle with equipment that cannot withstand explosive atmospheres or that requires costly downtime for service. It features Exdb flameproof protection, IP66 enclosure, and IC411 insulation, delivering reliable operation while meeting regulatory requirements. Powered by IE2 efficiency and a robust cast-iron frame, it reduces energy costs and simplifies long-term ownership. With a top terminator box and Finnish origin, the motor offers durable installation, predictable service life, and proven performance in challenging sites. Its 2-pole design suits high-torque, constant-speed applications in surface and underground operations.
Product Information
ABB Type Designation
M3JM 315SMB 2
Invoice Description
M3JM 315SMB 2
Product Name
3-Phase squirrel cage motor
Product Type
5JM3__M3JM_IE3_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
Medium Description
110kW, 2 Poles, Frame Size 315, 3 Phases, 500V, 50Hz, IP66 Enclosure, IMB5/IM3001 Mounting (3GJM311220-BEL)
Short Description
110kW, 2P, Frame Size 315, 3PH, 500V, 50Hz, IP66, IMB5/IM3001
Electrical Data
Connection Configuration
D
Temperature Class Default
--
Input Voltage (Uin)
500 V
Frequency (f)
50 Hz
Output Power
110 kW
Altitude
1000 m
Ambient Temperature
40 °C
IC Class
IC411
IE Class Data (50 Hz)
IE Class IE3 | Full Load (100%) 95.2 % | Partial Load (75%) 94.9 % | Partial Load (50%) 93.9 %
IE Class Data (60 Hz)
IE Class IE3 | Full Load (100%) 95.0 % | Partial Load (75%) 94.3 % | Partial Load (50%) 92.7 %
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
IMB5 IM3001
Terminator Box Location
D-End top
Package Level 1 Units
0 pallet (lift)
Product Net Depth / Length
1174 mm
Product Net Height
852 mm
Product Net Width
536 mm
Product Net Weight
1030 kg
Gross Weight
1050 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature Exdb flameproof protection → Business Impact Ensures compliance with hazardous-area codes and enhances worker safety, reducing the risk of ignition in mining and tunneling operations. Application Suitable for underground conveyors and ore handling where explosive atmospheres are present. Feature IP66 enclosure and IC insulation class IC411 → Business Impact Provides rugged protection against dust and water ingress, increasing mean time between failures (MTBF) in dirty, high-temperature environments. Application Ideal for surface and underground equipment exposed to washdown or immersion risk, such as crushers and mills. Feature IE2 efficiency at full and partial loads → Business Impact Delivers energy savings and lower operating costs over the motor’s life, contributing to lower total cost of ownership. Application Beneficial for continuous-drive scenarios like fans, pumps, and hoists in mining operations. Feature Cast-iron frame and 315 frame size → Business Impact Offers superior mechanical robustness and heat dissipation, improving longevity in demanding installations. Application Suitable for long-term installations with sustained vibration and high torque, such as winches and belt drives. Feature Ex protection with Exdb and flameproof design → Business Impact Supports regulatory compliance for hazardous area motors, enabling safer underground deployment. Application Fits Group I mining motor requirements and heavy-duty duty cycles (S1) in harsh environments. Feature Top terminator box location → Business Impact Simplifies electrical installation and wiring accessibility, reducing commissioning time. Application Helpful for tight installations and retrofit projects where space is limited.
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FAQs
Install the 3GJM311220-BEG with Exdb flameproof protection in accordance with ATEX/IECEx guidelines. Use the top terminator box for easy wiring access, ensure proper grounding, and mount on a compatible base. The 315 frame and cast-iron construction tolerate harsh mining environments, while IP66 enclosure protects against dust and water ingress.
The motor conforms to IE2 efficiency class. At full load (100%), the efficiency is approximately 95.1%, with slightly lower values at partial loads (75% and 50%), ensuring energy savings across typical mining drive profiles without compromising torque or reliability.
Yes. The motor is designed for hazardous locations with Exdb flameproof protection and Group I mining motor classification. It combines flameproof enclosure, robust insulation (ICLF), and a 2-pole design to withstand high torque demands in underground and surface mining equipment.
Key certifications include Exdb explosion protection, IP66 enclosure rating for dust and water ingress protection, IC411 insulation class, and IE2 efficiency. Operating conditions consider ambient temperatures up to 40 °C and up to 1000 m altitude, making it suitable for varied mining environments.
The rugged cast-iron frame and bearings (6316/C3) contribute to long service life and reduced maintenance intervals, lowering downtime costs. The energy-efficient IE2 design reduces operating expenses, while reliable Ex-protection minimizes risk and spillover costs in hazardous sites, improving overall return on investment.