ABB 3GJM282220-ALK 3-Phase Squirrel Cage Motor - Flameproof Exdb
Part Number: 3GJM282220-ALK
Quick Summary
ABB 3GJM282220-ALK is a 3-phase squirrel cage motor designed for mining and heavy-industrial duties with flameproof protection. In hazardous environments, downtime and maintenance costs eat into productivity, making reliability critical. This motor features Exdb flameproof protection, IP66 enclosure, and IE3 efficiency, supporting safe operation and energy savings. The design also aligns with IMB3/IM1001 mounting, robust bearings, and a cast iron frame to reduce lifecycle costs. For engineers seeking compliant, high-performance equipment, this solution delivers extended service intervals and predictable performance in challenging conditions.
Product Information
ABB Type Designation
M3JM 280SMB 4
Invoice Description
M3JM 280SMB 4
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, 4 Poles, Frame Size 280, 3 Phases, 1000V, 50Hz, IP66 Enclosure, IMB3/IM1001 Mounting (3GJM282220-ALK)
Short Description
75kW, 4P, Frame Size 280, 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
75 kW
Altitude
1000 m
Ambient Temperature
40 °C
IC Class
IC411
IE Class Data (50 Hz)
IE Class IE3 | Full Load (100%) 95.0 % | Partial Load (75%) 95.2 % | Partial Load (50%) 94.8 %
IP Class
IP66
Insulation Class
ICLH
Direction of Rotation
Both sides
Number of Poles (High)
4
Two Speed Motor
No
Type of Duty
S1
Voltage Code
L
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
786 kg
Gross Weight
806 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature → Business Impact → Application: Flameproof Exdb protection provides intrinsic safety in explosive atmospheres, reducing risk and helping meet safety regulations for mining and petrochemical facilities, delivering uptime and worker protection. This is complemented by IP66 enclosure and IC411 insulation, which ensure reliability in dusty, humid environments and enable long service intervals in remote locations. Feature → Business Impact → Application: IE3 efficiency at 75 kW reduces energy consumption by optimizing full-load performance, lowering operating costs and supporting sustainability targets across large motor fleets. Feature → Business Impact → Application: 4-pole design at 50 Hz with 1000 V capability offers stable torque and high starting torque in hoisting and grinding applications, improving process stability. Feature → Business Impact → Application: IMB3/IM1001 mounting compatibility and D-connection configuration simplify installation and retrofits, reducing commissioning time and spare-part inventory. Feature → Business Impact → Application: Cast Iron frame and bearing arrangement (6316/C3) provide rugged durability for continuous-duty cycles, minimizing unscheduled downtime in continuous mining operations. Feature → Business Impact → Application: Temperature rating 40 °C ambient and altitude up to 1000 m ensures predictable performance in surface and underground facilities, aiding compliance with site-specific operating envelopes.
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FAQs
The motor uses a D connection configuration and is compatible with IMB3/IM1001 mounting. This simplifies alignment with typical mining and heavy-industrial drive trains, reduces wiring errors, and accelerates commissioning, especially when retrofitting into existing IMB3-based installations.
Exdb protection provides intrinsic safety for electrical equipment in explosive atmospheres, minimizing ignition risks. For mining and similar sites, this reduces safety exposure, allows compliant operation in hazardous zones, and supports safer maintenance and longer service intervals.
Yes. The motor is rated for an altitude up to 1000 m and an ambient temperature of 40 °C, ensuring predictable performance in surface and underground facilities without derating for common mining environments.
The motor delivers IE3 efficiency at full load (100%), with maintained efficiency at partial loads (75% and 50%). With 75 kW output at 1000 V and 50 Hz, operators can reduce energy consumption and operating costs across continuous-duty cycles (S1).
6316/C3 bearings are designed for heavy-duty, long-life operation, reducing replacement intervals. The cast iron frame enhances durability under harsh conditions, providing robust structural support and resistance to mechanical stresses common in mining and processing facilities.