Brand: MOOG

G-3LM6-048-00-00-01 Brushless Servo Motor – G400K Explosion-Proof Series

Name: G-3LM6-048-00-00-01 G400K Explosion-Proof Servo Motor – Brochure
Brand: MOOG

Description

Overview

The G-3LM6-048-00-00-01 Brushless Servo Motor from the G400K explosion-proof series is a 70 mm, low-voltage brushless servo motor engineered for high-precision motion control in hazardous and demanding industrial environments. It matches the performance of the equivalent G493K604A (Type G3L25) unit, delivering stable speed regulation up to 4,800 rpm with durability suited to harsh thermal and mechanical conditions.

Seven Star LLC supplies the G-3LM6-048-00-00-01 and related explosion-proof servo motors to hazardous-area automation projects across Oman and the GCC, with technical support on specification and replacement matching.

Operating Principle

As a brushless servo motor, the unit uses electronically commutated windings rather than mechanical brushes to generate torque, eliminating brush wear as a maintenance and reliability concern — an important property for a motor rated for extended service in hazardous-area installations that are not always convenient to access for routine maintenance. Its low-voltage winding design allows accurate torque output and stable speed regulation across its operating range up to 4,800 rpm.

The motor’s explosion-proof construction contains any internal arcing or sparking within a certified enclosure, preventing it from igniting flammable gases or dust in the surrounding atmosphere — the defining requirement for deploying rotating electrical equipment in classified hazardous zones.

Engineering Design of the G-3LM6-048-00-00-01

Rated for an operating temperature range of -40°C to +80°C, the motor is built to withstand both cold ambient startup conditions and elevated process-area temperatures without degrading performance. Its 70 mm frame size keeps it compact enough for integration into space-constrained motion-control assemblies while still delivering the torque and speed characteristics required for precision positioning tasks.

The motor is supplied as a direct replacement for the G-3LM6-046-00-00-01-01-00-000 configuration, in a no-brake standard configuration, giving integrators a clearly identified upgrade or spare path when replacing an earlier unit in an existing hazardous-area motion-control system.

Key Features

Brushless design eliminates brush-wear maintenance
Explosion-proof construction for classified hazardous zones
70 mm frame, low-voltage winding
Stable speed regulation up to 4,800 rpm
Operating temperature range -40°C to +80°C
Equivalent performance to model G493K604A (Type G3L25)
Direct replacement for G-3LM6-046-00-00-01-01-00-000
No-brake standard configuration

Industrial Applications

The G-3LM6-048-00-00-01 is used in hazardous-area motion-control systems requiring precise positioning and high cycle life, including oil and gas motion-control systems, hazardous-zone industrial robotics, chemical-plant valve actuators, explosion-proof conveyor and positioning units, offshore equipment drive systems, and high-speed machinery in refineries and petrochemical plants.

Across Oman, Muscat, Sohar, Salalah, and the GCC, Seven Star LLC supports automation and hazardous-area integration projects as a supplier of genuine OEM explosion-proof servo motors, helping engineering teams match performance specifications and explosion-proof classification to their specific application.

Technical Specifications

Model	G-3LM6-048-00-00-01
Series	G400K Explosion-Proof Brushless Servo Motors
Equivalent	G493K604A (Type G3L25)
Motor Size	70 mm
Speed	4,800 RPM (normal speed)
Temperature Range	-40°C to +80°C
Application Type	Explosion-proof / hazardous area
Brake	No brake (standard configuration)

Matching a Replacement Motor

Servo motors in hazardous areas must be matched on more than frame size and speed. Before ordering the G-3LM6-048-00-00-01, compare the full part number on the existing motor nameplate with the one stated here, including the replacement reference G-3LM6-046-00-00-01-01-00-000 and the equivalent G493K604A (Type G3L25) mentioned above. Confirm the explosion-protection marking and certificate on the nameplate against the zone classification of the installation, and check the feedback device, connector or cable entry arrangement, shaft and flange dimensions, and the servo drive it will run with.

Photograph the nameplate and the connector side of the old motor before removal.
Confirm that the drive parameters (motor data, feedback type and current limits) can be set for the new motor.
Check that no holding brake is required, as this configuration is supplied without one.

Installation and Commissioning

Installation of explosion-proof equipment should be carried out by competent personnel following the certificate conditions and the site hazardous-area procedures. Keep flameproof joints clean and undamaged, use certified cable glands of the correct type, and tighten all covers and fasteners as specified. Align the motor carefully with the driven load to avoid bearing wear. After mechanical installation, load the motor data into the servo drive, check the direction of rotation and feedback, and tune the position and speed loops at reduced speed before running at full duty.

Maintenance and Inspection

Carry out periodic hazardous-area inspections of glands, enclosure joints and earthing, as required by your inspection regime.
Monitor bearing noise, vibration and winding temperature trends from the drive.
Never open the motor enclosure in a live hazardous area unless the area has been made gas-free under a permit.

Troubleshooting

Following errors or vibration often indicate loop tuning or a mechanical coupling problem rather than a motor fault. Overcurrent or overtemperature alarms can point to excessive load or restricted cooling. Feedback errors usually trace back to connectors, cable damage or screening.

Sourcing in Oman and the GCC

Seven Star LLC supplies G400K series explosion-proof servo motors for oil and gas, petrochemical and offshore automation projects. Send us the nameplate details and drive information and we will confirm the matching part before dispatch.

Request a Quote for G-3LM6-048-00-00-01 Brushless Servo Motor – G400K Explosion-Proof Series

Contact Seven Star LLC for a quotation, availability, and technical support on the G-3LM6-048-00-00-01 Explosion-Proof Servo Motor and the full range of G400K series hazardous-area motion-control hardware across Oman and the GCC.

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About brand

The electrohydraulic servo valve is the product that made Moog, founded in 1951 in East Aurora, New York. Its industrial valves and motors position turbine governors, presses and test rigs where fast, accurate motion matters. Seven Star LLC lists Moog servo valves, proportional valves and an explosion-proof brushless servo motor, and sources them by model and type number for plants in Oman.

Moog servo valves and motors listed

The Moog products on this page are:

G761 series: two-stage flow control servo valve with mechanical feedback
79 series, including D791 and D792: pilot-operated servo valves for high flow rates
Servo valves and servo-proportional valves for hydraulic control in general
G-3LM6-048-00-00-01: an explosion-proof brushless servo motor, listed here under the G400K series

Within one series, valves differ in rated flow, spool lap, coil rating, seal material and pilot arrangement. Two G761 valves with different type numbers are therefore not interchangeable without checking.

Where Moog servo valves are used

Moog servo valves control steam and gas turbine fuel and steam actuators, compressor anti-surge and guide vane actuators, steel mill gauge control, injection molding and presses, and materials test machines. In GCC power stations and gas plants the usual request is a like-for-like valve for a turbine control actuator specified by the turbine builder.

Ordering Moog parts: what we need

The nameplate on a Moog servo valve shows the model, a type designation and a serial number. Please send all three, or a clear photo. The type designation fixes rated flow, maximum operating pressure, signal and coil data, seals and connector, and is the only safe basis for quoting. If the valve was supplied through a machine builder, also give the builder's own part number. State the hydraulic fluid, especially if it is a fire-resistant phosphate ester, since that decides the seal material. For Moog servo motors, send the full model string, as in the G400K example above, and the drive it runs with.

Browse MOOG products by category: Control Valves, Electromotors.

Frequently Asked Questions

Is the G-3LM6-048-00-00-01 suitable for hazardous areas?

Yes, it has explosion-proof construction designed for classified hazardous zones with flammable gases or dust.

What is the motor speed rating?

It delivers stable speed regulation up to 4,800 rpm.

Does the motor have a brake?

No, it is supplied in a no-brake standard configuration.

What temperature range does the motor operate in?

It is rated for -40 degrees C to +80 degrees C, suited to both cold startup and elevated process-area temperatures.

Is this an OEM or branded motor?

It is a genuine OEM (unbranded) explosion-proof servo motor, selected where specification and hazardous-area classification matter more than brand identity.

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