ABB 3GJM284220-BDG 3-Phase Squirrel Cage Motor - Exdb
Part Number: 3GJM284220-BDG
Quick Summary
ABB 3GJM284220-BDG 3-Phase Squirrel Cage Motor is a robust, explosion-protected drive for mining and heavy industry applications. Operators often confront downtime and reliability challenges in harsh environments; this motor addresses those by combining rugged construction with advanced protection. It carries Exdb flameproof protection and an IP66 enclosure, ensuring dependable operation in hazardous zones. With IC411 insulation and IE2 efficiency, it supports regulatory compliance while delivering energy savings. Originating from Finland and built around a cast iron 280 frame, it offers scalable performance for demanding installations and long service life in remote locations.
Product Information
ABB Type Designation
M3JM 280SMB 8
Invoice Description
M3JM 280SMB 8
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
85015230
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%) 92.1 % | Partial Load (75%) 92.0 % | Partial Load (50%) 90.6 %
IP Class
IP66
Insulation Class
ICLF
Direction of Rotation
Both sides
Number of Poles (High)
8
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
IMB5 IM3001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
666 kg
Gross Weight
686 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature → Business Impact → Application: Exdb flameproof protection paired with an IP66 enclosure minimizes ignition risk and protects against dust and water ingress, translating to higher uptime in hazardous mining and processing plants. This enables operators to run critical conveyors, pumps, and crushers with confidence in explosive atmospheres. Feature → IE2 efficiency at full load of 92.1% and stable partial-load performance (92.0% at 75%, 90.6% at 50%) reduces energy costs and heat generation, delivering lower operating expenses for continuous-duty applications. Feature → 8-pole design and S1 duty provide higher starting torque and predictable operation for heavy loads such as crushers and material handling equipment, while minimizing electrical stress and extending motor life. Feature → Cast iron frame, 280 frame size, and bearings 6316/C3 yield durability in tough environments, enabling longer mean time between maintenance events and easier replacement in remote sites. Feature → Operating performance at altitude up to 1000 m and ambient 40 °C supports mining camps and remote facilities, reducing the need for specialized cooling strategies and simplifying installation across varied geographies. Feature → IC411 insulation with ICLF class ensures reliable insulation performance under stressful temperature and voltage conditions, improving overall motor longevity and reducing risk of insulation failure during peak loads.
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FAQs
Yes. The 3GJM284220-BDG uses a standard 280 mm cast-iron frame with Exdb flameproof protection and IP66 protection, suitable for hazardous mining environments. It features a 6316/C3 bearing and IMB5 IM3001 mounting compatibility. When retrofitting, confirm mounting hole pattern, shaft dimensions, terminal box position (Top), and adapted wiring for Ex protection.
The motor targets IE2 efficiency with Full Load (100%) at 92.1%. At Partial Load (75%), efficiency is 92.0%, and at 50% load it is about 90.6%. This stability supports energy savings and predictable performance in conveyors, pumps, and crushers operating under variable-duty conditions.
This motor is ideal for mining, mineral processing, and other heavy industries where hazardous dust or gas may be present. The Exdb flameproof protection and IP66 enclosure enable long, reliable operation in harsh environments, while the rugged cast iron frame supports heavy-load applications like crushers, conveyors, and large pumps.
Key certifications and protections include Exdb flameproof protection, IP66 enclosure, IC411 insulation with ICLF class, and IE2 energy efficiency. It supports S1 duty and dual-direction rotation, making it suitable for ATEX/IECEx contexts in mining and industrial installations while ensuring regulatory compliance.
Maintenance focuses on bearing condition (6316/C3) and terminal box integrity, with the rugged cast-iron frame reducing wear in dusty environments. The IE2 efficiency lowers running costs, delivering a favorable ROI through reduced energy use and improved uptime. The IP66 and Exdb protections also minimize downtime due to environmental factors in remote mining sites.