ABB 3GJM251230-BEG 3-Phase Squirrel Cage Motor - Exd Flameproof
Part Number: 3GJM251230-BEG
Quick Summary
ABB 3GJM251230-BEG is a 3-phase squirrel cage motor designed for heavy mining and industrial applications. When uptime matters, operators face harsh environments, dust and regulation that complicate procurement and maintenance planning. This motor delivers Exd flameproof protection for hazardous areas, IP66 enclosure and IC411 insulation to ensure reliability under elevated ambient temperatures, plus IE2 energy efficiency to reduce operating costs. Built to withstand demanding conditions on long shift operation, it offers a robust cast-iron frame, top-terminal box and sealing integrity that reduce field service time. Ideal for mining equipment and other regulated industries, it supports safer operations, easier installation, and predictable total cost of ownership through improved uptime and efficiency.
Product Information
ABB Type Designation
M3JM 250SMC 2
Invoice Description
M3JM 250SMC 2
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
85015381
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%) 94.5 % | Partial Load (50%) 93.9 %
IP Class
IP66
Insulation Class
ICLF
Direction of Rotation
Both sides
Number of Poles (High)
2
Two Speed Motor
No
Type of Duty
S1
Voltage Code
E
EX-Protection
Exdb
Frame Material
Cast Iron
Frame Size
250
Bearing
6315M/C3
Bearing NDE
6313M/C3
IM Class
IMB5 IM3001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
524 kg
Gross Weight
534 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature → Business Impact → Application: Exd flameproof protection for hazardous areas improves safety and regulatory compliance, enabling installation in explosive atmospheres without special enclosures, which reduces retrofit needs and downtime in mining equipment. This translates to lower risk, faster deployment, and predictable maintenance windows for on-site teams. Application: mining, chemical plants, and other heavy industries. Feature → Business Impact → Application: IP66 enclosure protects against dust and water ingress, extending motor life in underground or outdoor environments and reducing unscheduled maintenance. Application: exposed installations and harsh environments where reliability is critical. Feature → Business Impact → Application: IE2 efficiency with full-load performance around 94.4% ensures energy savings in continuous duty, lowering total cost of ownership during long-term operation. Application: continuous-run processes and conveyor drives. Feature → Business Impact → Application: Cast iron frame and robust bearings (6315M/C3, 6313M/C3) provide mechanical durability for high-load mining tasks, reducing failure rates and service intervals. Application: heavy-duty drives and hoisting equipment. Feature → Business Impact → Application: Top terminator box and compact 250 frame support easy installation, faster commissioning, and compatibility with standard drives and control schemes. Application: field retrofits and new installations where quick wiring matters.
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FAQs
This motor employs Exd flameproof protection (Exdb) and an IP66 enclosure, making it suitable for hazardous zones. The top-terminal box simplifies wiring, while the 250 frame and cast-iron construction support straightforward mounting and durable service in mining or heavy industry installations. Ensure compliant cable entries and protective accessories are used per site electrical standards.
The unit is rated IE2 with Full Load efficiency around 94.4% and partial-load figures near 94.5% at 75% and 93.9% at 50%. This translates to meaningful energy savings in continuous-duty applications. The motor operates as a 2-pole design (high-speed), with duty class S1 and altitude up to 1000 m, suitable for steady-state operation in demanding environments.
Yes. With Exdb flameproof protection, IP66 rating, and rugged cast-iron construction, the 3GJM251230-BEG is specifically designed for hazardous areas in mining and related industries. It provides reliable operation under dust, moisture, and explosive atmosphere conditions, reducing the need for frequent protective enclosures or enclosure modifications.
The 250 frame uses a robust cast iron housing and bearings (6315M/C3 with 6313M/C3 NDE) that resist shock and wear from heavy loads. This design extends bearing life, lowers lubrication frequency, and minimizes downtime, which is especially valuable for remote mining sites or installations with limited maintenance windows.
Key features include Exdb flameproof protection, IP66 ingress protection, IC411 insulation classification, IE2 efficiency, and suitability for S1 duty at up to 1000 m altitude with ambient 40 °C. These attributes support compliance for hazardous-area operations and energy efficiency programs, aiding in regulatory approvals and lifecycle cost planning.