ABB 3GJM311220-ALK 3-Phase IE3 Flameproof Mining Motor
Part Number: 3GJM311220-ALK
Quick Summary
ABB 3GJM311220-ALK is a flameproof, high-efficiency 3-phase squirrel cage motor designed for mining applications. Operators in harsh underground environments struggle with reliability, energy costs, and maintenance downtime; this motor is engineered to minimize those pain points with rugged Exdb protection and a robust IP66 enclosure. Key features include IP66 ingress protection, Exdb explosion protection, and IC411 insulation class, which collectively improve safety, compliance, and uptime. With IE3 efficiency at full load, a 2-pole design, and a 1000 V, 50 Hz specification, it delivers measurable energy savings and smooth integration with existing electrical systems. Manufactured in Finland and designed for IMB3/IM1001 mounting, it supports demanding drive applications in extreme conditions.
Product Information
ABB Type Designation
M3JM 315SMB 2
Invoice Description
M3JM 315SMB 2
Product Name
3-Phase squirrel cage motor
Product Type
3JM3__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, 1000V, 50Hz, IP66 Enclosure, IMB3/IM1001 Mounting (3GJM311220-ALK)
Short Description
110kW, 2P, Frame Size 315, 3PH, 1000V, 50Hz, IP66, IMB3/IM1001
Electrical Data
Connection Configuration
D
Temperature Class Default
--
Input Voltage (Uin)
1000 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%) 95.1 % | Partial Load (50%) 94.4 %
IP Class
IP66
Insulation Class
ICLH
Direction of Rotation
Both sides
Number of Poles (High)
2
Two Speed Motor
No
Type of Duty
S1
Voltage Code
L
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
315
Bearing
6316/C3
Bearing NDE
6316/C3
IM Class
IMB3 IM1001
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
1063 kg
Gross Weight
1083 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Flameproof Exdb protection reduces ignition risk in hazardous zones, delivering safer operation and lower insurance costs while enabling continuous processing in mining sites. This protection translates to fewer shutdowns and a lower total cost of ownership by maintaining operations in challenging environments. The motor’s IE3 premium efficiency (Full Load 95.2%) lowers energy consumption and provides predictable operating costs, supporting green initiatives and long-term budget planning. IP66 enclosure guarantees resistance to dust and water ingress, ensuring reliability across rolling belt operations and dusty workshops, with minimal maintenance intervals. The IMB3/IM1001 mounting compatibility and 315 frame with a cast iron shell offer robust mechanical integrity for long service life in demanding installations. 1000 V, 50 Hz operation and 2-pole design enable straightforward integration with existing electrical gear and soft-start drive systems. Operational characteristics such as IC411 insulation and Exdb protection help maintain performance at ambient temperatures up to 40 °C and altitudes up to 1000 m, while the terminal box location (D-End top) simplifies assembly and service access.
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FAQs
The motor uses a 315 frame with a cast iron shell and IMB3/IM1001 mounting. For installation, position the Terminator Box at D-End top to simplify wiring and access, and plan for 2-pole operation with a 1000 V, 50 Hz supply. The mounting interface and weight support ease crane-free assembly on finished floor and maintain alignment with driven equipment, reducing commissioning time.
Key electrical specs include 1000 V input, 50 Hz, 110 kW output, and IE3 efficiency. The motor is a 3-phase, 2-pole design with a D connection configuration. It is intended for S1 continuous duty in hazardous environments, with Exdb explosion protection and IP66 protection, enabling reliable operation within standard 1000 V distribution networks.
Yes. The 3GJM311220-ALK is a flameproof Exdb motor rated IP66 for dust and water ingress, designed for mining and similar hazardous settings. Its 2-pole design and IMB3/IM1001 mounting, along with Exdb protection and IC411 insulation, provide rugged performance and safety in explosive atmospheres while maintaining high efficiency.
The motor features Exdb explosion protection, IP66 ingress protection, and IC411 insulation class. It follows IMB3/IM1001 mounting standards and is designed for harsh environments up to 40 °C and 1000 m altitude, ensuring compatibility with common mining and industrial safety requirements.
IE3 efficiency delivers measurable energy savings at full load (95.2%) and maintains high performance under partial loads (95.1% at 75%). In mining operations, this translates to reduced energy bills, lower heat generation, and extended component life, improving return on investment while supporting regulatory and sustainability goals.