ABB 3GJM254210-BEG 3-Phase Squirrel Cage Motor - Exdb
Part Number: 3GJM254210-BEG
Quick Summary
ABB 3GJM254210-BEG 3-Phase squirrel cage motor delivers dependable power for mining and heavy-duty equipment, designed to withstand harsh field conditions. Field operators struggle with unplanned downtime caused by dusty, damp environments and inconsistent performance; this motor targets those pain points. Key certifications strengthen compliance and reliability: IP66 enclosure, Exdb flameproof protection, and IC411 insulation, complemented by IE2 efficiency for energy savings. In practice, engineers value its rugged cast-iron frame, top terminator box, and durable bearings for extended maintenance intervals in mining plants. This combination translates to lower total cost of ownership, easier spare-part planning, and a safer, more productive operation across harsh sites.
Product Information
ABB Type Designation
M3JM 250SMA 8
Invoice Description
M3JM 250SMA 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%) 89.8 % | Partial Load (75%) 89.0 % | Partial Load (50%) 88.4 %
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
E
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
441 kg
Gross Weight
451 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Exdb flameproof protection provides inherent safety in hazardous environments, reducing explosion risk and enabling stable operation in underground mining tasks. Business impact: safer sites, lower risk of production shutdowns, and compliance with mining safety standards; Application: motor used on conveyors and crushers in explosive atmospheres. IP66 enclosure paired with IC411 insulation protects against dust, water ingress, and rugged operating conditions; Impact: longer service life and reduced maintenance across dusty surfaces and outdoor installations; Application: installations exposed to moisture and dust in both surface and underground facilities. IE2 efficiency improves energy utilization with Full Load 89.8% and partial-load performance around 89%, delivering measurable cost reductions; Application: continuous duty in energy-intensive mining processes. 8-pole, frame size 250 design delivers higher torque at low speeds, improving startup performance on belts and hoists without overstressing mechanicals; Impact: smoother control, reduced wear, and better process stability; Application: conveyors, crushers, and winches. Cast iron frame and bearings 6315/C3 with IMB5 IM3001 designation offer rugged durability and resilience to vibration; Impact: lower replacement costs and extended uptime in vibrating mine environments; Application: heavy-load mining equipment. Ambient 40 °C and altitude up to 1000 m specifications ensure reliable performance in hot, high-altitude sites; Impact: predictable operation across a range of mining locations; Application: both surface and underground installations. Top terminator box simplifies wiring and serviceability during maintenance windows; Impact: faster install/repair cycles and reduced downtime; Application: field service and OEM installations.
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FAQs
For mining installations, ensure mounting fits the 250 frame and eight-pole configuration, with the Terminator Box located on top for accessible wiring. Use the IMB5 IM3001 frame class and 6315/C3 bearings to handle site vibrations. Confirm Exdb protection aligns with the mine’s hazardous area zoning and install IP66-rated enclosures to protect against dust and water ingress.
The motor achieves IE2 efficiency with Full Load around 89.8% and near-same performance at 75% and 50% loads, translating to meaningful energy savings over long-running mining cycles. Lower losses mean reduced electricity consumption, cooler operation, and extended motor life, contributing to a lower total cost of ownership in continuous-duty applications.
Yes. It features Exdb flameproof protection and an IP66 enclosure, making it suitable for hazardous zones in mining. IC411 insulation supports thermal reliability, while the Exdb rating assures explosion protection in demanding environments. These certifications align with common mining safety standards and help ensure regulatory compliance during audits.
Ensure the replacement matches the 250 frame size and eight-pole configuration for torque compatibility. Check the IM class (IMB5 IM3001) and bearing type (6315/C3) to match mounting and vibration criteria. Verify a top-termine box setup, Exdb protection, and IP66 enclosure to maintain safety standards and minimize rework on site.
Expect improved uptime due to rugged cast-iron construction, fewer unplanned outages, and lower energy costs from IE2 efficiency. The motor’s rated life and bearings reduce maintenance frequency, while standard availability (MOQ 1 piece) supports faster procurement. Overall ROI comes from reliability, energy savings, and reduced maintenance labor in harsh mining environments.