ABB 3GJM281220-ADK 3JM3__M3JM_IE3_Group_I_Flameproof_Exd_mining_motor - Exdb, IP66, IE3
Part Number: 3GJM281220-ADK
Quick Summary
ABB 3GJM281220-ADK is a flameproof IE3 mining motor designed for harsh mining environments. Operators often grapple with safety compliance, downtime, and wiring complexity in hazardous zones. It offers Exdb flameproof protection, IP66 enclosure, and IE3 efficiency to meet CE standards and rugged-duty requirements. In addition, its IMB3/IM1001 mounting compatibility, 400 V 50 Hz operation, and cast-iron frame help reduce lifecycle costs and simplify installation in demanding industrial settings.
Product Information
ABB Type Designation
M3JM 280SMB 2
Invoice Description
M3JM 280SMB 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
85015230
Medium Description
75kW, 2 Poles, Frame Size 280, 3 Phases, 400V, 50Hz, IP66 Enclosure, IMB3/IM1001 Mounting (3GJM281220-ADK)
Short Description
75kW, 2P, Frame Size 280, 3PH, 400V, 50Hz, IP66, IMB3/IM1001
Electrical Data
Connection Configuration
D
Temperature Class Default
--
Input Voltage (Uin)
400 V
Frequency (f)
50 Hz
Output Power
75 kW
Altitude
1000 m
Ambient Temperature
40 °C
IC Class
IC411
IE Class Data (50 Hz)
IE Class IE3 | Full Load (100%) 94.7 % | Partial Load (75%) 94.6 % | Partial Load (50%) 93.5 %
IE Class Data (60 Hz)
IE Class IE3 | Full Load (100%) 94.1 % | Partial Load (75%) 93.7 % | Partial Load (50%) 92.2 %
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
280
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
1088 mm
Product Net Height
762 mm
Product Net Width
481 mm
Product Net Weight
785 kg
Gross Weight
805 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Exdb flameproof protection paired with an IP66 enclosure provides robust safety and reliability in hazardous zones, reducing risk of ignition and equipment downtime in mining operations. This design translates to lower maintenance frequency and compliance costs, while enabling simpler integration with standard drive systems in underground and surface-mining facilities. The 75 kW IE3 premium efficiency rating delivers meaningful energy savings, lowering operating expenses over the motor’s lifecycle and supporting green initiative targets without sacrificing performance. The motor’s 400 V, 50 Hz three-phase, 2-pole configuration ensures straightforward compatibility with existing electrical infrastructure and motor drives, facilitating faster deployment and reduced engineering effort. A cast-iron frame (280) with 6316/C3 bearings and IMB3/IM1001 mounting enhances durability under shock loading and continuous operation in tough environments, extending service life in conveyors and crushers. Design features such as Ex-protection and temperate-class insulation (ICLF) support reliable operation up to 40 °C ambient at altitudes up to 1000 m, with a compact footprint suitable for IMB3/IM1001 installations and D-End top terminator box locations.
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FAQs
Follow standard Ex-certified motor practices: mount in IMB3/IM1001 configurations, ensure Exdb protection is intact, and connect to a 400 V 50 Hz supply using the D-configuration wiring. Verify IP66 seals and provide appropriate cooling. Commission with a qualified hazardous-area technician and confirm compatibility with existing drives and control systems.
The motor delivers 75 kW at 50 Hz with a 2-pole configuration. It aligns with IE3 efficiency, and the nominal voltage is 400 V. In this duty, you can anticipate reliable torque delivery for conveyors and crushers, along with energy savings from premium efficiency regardless of load conditions.
Yes. The 3GJM281220-ADK features Exdb flameproof protection suitable for hazardous zones, plus an IP66 enclosure and IMB3/IM1001 mounting. These characteristics support compliance with typical mining safety standards and facilitate installation in ATEX/IECEx-relevant environments.
Key standards include Exdb flameproof protection, IP66 enclosure, IE3 premium efficiency, and insulation class ICLF. Additional attributes include IMB3/IM1001 mounting, 400 V 50 Hz operation, and a robust cast-iron frame. Country of origin is Finland, with a customs tariff code of 85015230 supporting traceability and compliance.
Energy savings from IE3 efficiency, combined with a rugged cast-iron frame and Ex-protected design, reduces operating costs and downtime. The motor’s durability supports longer maintenance intervals, predictable performance in harsh environments, and lower total cost of ownership when used in mining conveyors and other heavy-duty equipment.