ABB 3GJM252210-AEG 3-Phase Squirrel Cage Motor - Exdb IP66
Part Number: 3GJM252210-AEG
Quick Summary
ABB 3GJM252210-AEG is a 3-phase squirrel cage motor engineered for rugged mining and industrial drives. Operators often confront maintenance costs and downtime in hazardous, demanding environments where reliability matters. This motor carries Exdb flameproof protection, IP66 ingress protection, and IC411 insulation class—critical for mining, underground, and other hazardous zones. The combination of a rugged cast-iron frame, robust bearings, and a compact footprint delivers predictable performance, while compatibility with standard drives and straightforward installation minimizes total cost of ownership. Designed for 1000 m altitude and 40 °C ambient temperatures, it maintains efficiency and reliability in tough sites. This makes it a strong fit for safety-conscious OEMs and end-users seeking predictable mine-site performance.
Product Information
ABB Type Designation
M3JM 250SMA 4
Invoice Description
M3JM 250SMA 4
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%) 94.4 % | Partial Load (75%) 94.4 % | Partial Load (50%) 93.7 %
IP Class
IP66
Insulation Class
ICLF
Direction of Rotation
Both sides
Number of Poles (High)
4
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
IMB3 IM1001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
429 kg
Gross Weight
439 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Exdb flameproof protection and IP66 ingress protection keep this motor safe in explosive atmospheres and dusty mining tunnels. Cast in a sturdy 250 mm frame, the unit resists moisture, vibration, and mechanical shocks typical of underground installations. The Exdb rating, combined with IMB3 IM1001 non-sparking construction, provides a reliable safety envelope that meets demanding mine-site standards while preserving motor life in harsh conditions. IE2 efficiency at full-load and partial-load conditions translates to meaningful energy savings across long running cycles. The motor maintains high efficiency (Full Load 94.4%) even when operated at 75% or 50% of rated load, reducing operating costs and heat generation. The 4-pole design also stabilizes speed under variable loads, which is beneficial for integration with modern variable speed drives. An all-cast-iron frame delivers rigidity and long-term durability, while bearings 6315/C3 and 6313/C3 handle axial and radial loads with minimal clearance loss. The IM Class IMB3 IM1001 designation indicates a robust motor construction suited for continuous service in challenging environments. The top terminator box location simplifies wiring and maintenance, reducing installation time and risk of field damage. Designed for ease of integration, the 250 frame and 429 kg net weight fit into standard mounting setups used in mining OEM configurations. The top terminator box and a compact footprint allow quick alignment with existing drives, while the option to operate in both rotation directions provides flexibility for dual-winding systems. With a 1 piece minimum order and 0 pallet level at order, logistics and site handling are streamlined. Altitude tolerance of up to 1000 m and an ambient temperature rating of 40 °C ensure stable performance in high-altitude sectors. The Ex-protection Exdb and IP66 compliance support regulatory requirements for hazardous areas, while the IC411 insulation class and WEEE category reflect compliance and sustainability considerations. Overall, this motor minimizes downtime, extends service intervals, and enhances ROI in safety-critical mining operations.
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FAQs
Installation starts with confirming the 250 frame size, 429 kg net weight, and rugged cast-iron housing. Mount the motor per standard NEMA/IEC practices, connect to a suitable drive, and ensure the top terminator box orientation matches your panel layout. Verify Exdb wiring guidelines for hazardous zones, maintain proper clearance around the 1000 m altitude and 40 °C ambient ratings, and complete EMI/grounding checks to avoid nuisance tripping.
The motor is IE2 efficient with a 4-pole design. Full-load efficiency is 94.4%, with the same efficiency at 75% load and 93.7% at 50% load. These figures translate to meaningful energy savings during long runtimes and variable-load conditions, especially when paired with modern VFDs to optimize torque and speed without sacrificing reliability or protective features like Exdb.
Yes. The Exdb flameproof protection and IP66 ingress protection make it appropriate for underground and hazardous-zone installations. The insulation class IC411 and rugged IMB3 IM1001 construction further support continuous operation in challenging environments, while the 1000 m altitude and 40 °C ambient tolerance provide resilience in demanding mine-site conditions.
Key certifications include Exdb flameproof protection, IP66 ingress protection, IC411 insulation class, and IE2 efficiency data. The motor is designed for continuous S1 duty with a 4-pole configuration and rugged cast-iron frame. Documentation also notes compliance aspects such as WEEE categorization and country of origin Finland (FI). These specifications align with mining and hazardous-area regulatory requirements.
Expected benefits include reduced downtime due to rugged IMB3 IM1001 construction and Exdb/IP66 protection, plus energy savings from IE2 efficiency. The 6315/C3 and 6313/C3 bearings support long service life under continuous duty, lowering maintenance costs. Combined with straightforward installation and standard mounting compatibility, the motor offers a favorable ROI in safety-critical, high-demand mining operations.