ABB 3GJM284220-ADG 3-Phase motor - Exdb flameproof
Part Number: 3GJM284220-ADG
Quick Summary
ABB 3GJM284220-ADG is a 3-phase squirrel cage motor for mining and heavy industry. Designed for harsh environments, it minimizes downtime and maintenance costs through rugged construction and protective features. The unit delivers Exdb flameproof protection, IP66 enclosure, and IE2 efficiency, with reliable operation across 40 °C ambient temperatures and up to 1000 m altitude. This combination helps facilities maintain compliance while reducing energy consumption and total cost of ownership. By choosing ABB, engineers gain a proven, serviceable solution with standardized mounting (IMB3) and easy integration with safety controls. For projects requiring robust, flameproof motors in hazardous zones, this model offers a balanced mix of safety, performance, and value.
Product Information
ABB Type Designation
M3JM 280SMB 8
Invoice Description
M3JM 280SMB 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%) 92.1 % | Partial Load (75%) 92.0 % | Partial Load (50%) 90.6 %
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
280
Bearing
6316/C3
Bearing NDE
6316/C3
IM Class
IMB3 IM1001
Terminator Box Location
Top
Package Level 1 Units
0 pallet (lift)
Product Net Weight
666 kg
Gross Weight
686 kg
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
UNSPSC
26101100
Feature: Exd/Exdb flameproof protection provides safe operation in hazardous environments. Business impact: reduces safety risk and strengthens regulatory compliance for mining and other explosive atmospheres. Application: ideal for underground or surface mining installations where ignition protection is mandatory and downtime costs are high. Feature: IP66 enclosure and rugged cast-iron frame deliver superior ingress protection and mechanical resilience. Business impact: prolonged service life in harsh conditions, lower maintenance, and fewer field repairs. Application: suitable for dusty, wet, or rugged industrial sites with demanding uptime requirements. Feature: IE2 efficiency class with full-load around 92% efficiency improves energy costs. Business impact: lowers total cost of ownership through energy savings and reduced heat management needs. Application: energy-conscious projects and facilities prioritizing sustainability. Feature: 8-pole, IMB3 mounting and Top terminator box simplify installation and serviceability. Business impact: faster commissioning, easier wiring, and reduced downtime during upgrades. Application: new builds or retrofits in heavy industry where space and access are constrained. Feature: 280 frame, cast-iron construction, bearings 6316/C3 and IC411 insulation. Business impact: robust mechanicals and reliable bearing life support long intervals between maintenance. Application: high-load, continuous-duty operations with demanding start/stop cycles. Feature: S1 duty, single-speed operation, and dual-rotation capability on both sides. Business impact: reliable performance across standard loads with straightforward control. Application: general-purpose fixed-speed drives in hazardous zones. Feature: Temperature class, altitude, ambient temperature ratings, and WEEE compliance. Business impact: ensures suitability for high-temp, high-altitude sites while meeting environmental disposal requirements. Application: global mining and heavy industry deployments with strict regulatory alignment.
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FAQs
When installing the ABB 3GJM284220-ADG in hazardous zones, ensure Exdb protection is maintained by using compatible cables with flameproof glands and a sealed junction box. Mounting in IMB3 class enclosures and leveraging the Top terminator box simplifies wiring and service access. Verify ambient temperature and altitude limits (40 °C and up to 1000 m) are observed during commissioning to maintain performance and safety ratings.
IE2 efficiency indicates higher energy utilization at full load, typically around 92% for this model. In practice, upgrading to IE2 reduces electrical losses, lowers heat generation, and cuts ongoing energy costs, especially in continuous-duty mining or processing lines. Over the motor’s lifetime, the energy savings can significantly offset the initial investment and contribute to lower total cost of ownership.
This motor is designed for S1 steady-state, single-speed operation and is not specified as a two-speed motor. For VSD applications, confirm compatibility with the drive’s starting current, cooling, and protection schemes. If variable speed is essential, evaluate a matching IEC IE2-rated motor that supports continuous full-load operation under varying loads or consider a geared solution with appropriate cooling.
The motor is equipped with Exdb flameproof protection for hazardous environments and Exd safety capabilities, with IP66 ingress protection and ICFL insulation. It supports safe operation under mining conditions and adheres to industry standards for explosive atmospheres. Additional compliance comes from robust mechanical construction (cast iron frame, 280 size) and design features suitable for harsh sites.
Maintenance benefits stem from a robust frame (cast iron, 280), long-bearing life (6316/C3), and a top-terminator box for straightforward service. The IE2 efficiency reduces energy costs, contributing to a favorable return on investment in mining and heavy industry projects. With a 1-piece minimum order and IMB3 mounting, installation and spares planning are simplified, supporting predictable maintenance cycles.