ABB 3GJM254220-BDG 3-Phase Squirrel Cage Motor - Exd Flameproof
Part Number: 3GJM254220-BDG
Quick Summary
ABB 3GJM254220-BDG 3-Phase squirrel cage motor is designed for demanding mining and heavy-industry applications. Engineers often struggle with equipment that must operate safely in hazardous zones while delivering consistent uptime. This motor delivers reliable protection with IP66 ingress rating, Exd flameproof certification, and robust insulation (IC411) while meeting IE2 energy efficiency targets. Its rugged cast-iron frame and top-placed terminator box simplify installation and maintenance, delivering long-term value for asset-intensive operations.
Product Information
ABB Type Designation
M3JM 250SMB 8
Invoice Description
M3JM 250SMB 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%) 90.3 % | Partial Load (75%) 90.4 % | Partial Load (50%) 88.8 %
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
250
Bearing
6315/C3
Bearing NDE
6313/C3
IM Class
IMB5 IM3001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
521 kg
Gross Weight
531 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Exd flameproof protection and IP66 ingress rating reduce risk and help ensure regulatory compliance in hazardous environments, enabling use in mining, chemical processing, and other explosion-risk zones. The business impact is improved uptime and safer operations, with installation that remains straightforward even in constrained spaces. The application focus includes mining conveyors and hoists where explosive atmospheres demand certified equipment. IE2 efficiency with Full Load at 90.3% and Partial Load performance around 90.4% delivers measurable energy savings, lowering operating costs across shift cycles and equipment fleets. Applications span continuous-process lines and heavy-duty drives, where energy efficiency directly affects total cost of ownership. Insulation Class IC411 and a 1000 m altitude rating with 40 °C ambient support reliable operation in demanding climates, reducing risk of thermal overload. Cast Iron frame (250) and bearing arrangements (6315/C3, 6313/C3) provide durability under vibration and load transients common in mining and material handling. Top terminator box and a 250 frame design streamline installation, alignment, and field servicing, minimizing downtime during maintenance windows and improving overall asset availability. The combination of Exdb protection, rugged construction, and IEC/ATEX-aligned features aligns with industry standards, making this motor a compatible upgrade for legacy installations that require certified, robust performance.
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FAQs
Installation in hazardous zones requires Exd flameproof equipment and adherence to IP66 enclosure standards. The motor features a top terminator box for simplified field wiring, a cast-iron frame for vibration resistance, and a 250 frame size that fits common mining and processing equipment. Verify ambient conditions up to 40 °C and altitude up to 1000 m, and ensure proper grounding and protective cable entries per local ATEX/IECEx directives.
This is an eight-pole, 3-phase squirrel cage motor with a 250 frame and cast-iron housing. It uses Exdb/Exd explosion protection, IP66 ingress protection, and IC411 insulation. The bearing configuration includes 6315/C3 with NDE bearing 6313/C3. It is rated IE2 for energy efficiency, with a duty class S1 and a single speed design at 40 °C ambient up to 1000 m altitude.
Yes. The Exd flameproof protection, IP66 sealing, and robust mechanical design make it suitable for mining conveyors, winches, hoists, and other equipment operating in explosive atmospheres. The eight-pole, 250-frame configuration supports high torque at start and steady operation under heavy loads, while the IE2 efficiency helps reduce running costs over the equipment lifecycle.
The motor includes Exd flameproof protection (Exdb/Exd), IP66 enclosure rating, and IC411 insulation class. It is designed for hazardous environments typical of mining and heavy process industries, with compliance features that support safer operation, regulatory alignment, and reduced risk of thermal or ingress-related failures.
Maintenance benefits come from a robust cast-iron frame, top-placed terminator box for accessible wiring, and durable bearings suitable for long service intervals. Energy-wise, IE2 efficiency lowers electricity consumption under full and partial loads, delivering a favorable return on investment through lower operating costs and improved asset uptime across continuous production cycles.