LUST LSG Series Servo Motors: LSG-096-3-30-560/1RB5JZ

Technical Dossier

Product Details And Specifications

LUST LSG Series Servo Motors: Comprehensive Module Range and Technical Overview

The LUST LSG series represents a line of permanent-magnet synchronous servo motors engineered for precision motion control in heavy industrial environments. Deployed extensively in chemical processing plants, refinery automation systems, paper and printing machinery, plastics extrusion lines, and packaging equipment across Europe and Asia, the LSG series has accumulated a substantial installed base that continues to require active spare parts support. The motors are characterized by their compact flange-mount design (IEC standard), high torque density, low cogging, and compatibility with LUST CDA and LTI servo drive platforms. Their resolver or encoder feedback options make them interoperable with a range of third-party drive controllers, extending their operational relevance beyond the LUST ecosystem.

The Evolution of LSG Series Architecture

The LUST LSG series was developed as part of LUST Antriebstechnik GmbH's motion control portfolio, which was later absorbed into the Lenze Group. Early LSG variants used resolver-based feedback systems and were paired with the CDA 3000 and CDA 4000 servo drive families. As the product line matured, incremental encoder variants were introduced to support applications requiring higher positional resolution. The motor frame sizes follow IEC 72 flange standards (size 063, 071, 090, 096, 112, 132), allowing mechanical interchangeability within the same frame class. Later production runs incorporated improved winding insulation classes (Class F and Class H) to support higher ambient temperature operation in foundry and steel mill environments. With the consolidation of LUST into Lenze, the LSG series entered a maintenance-only lifecycle phase. Replacement equivalents within the Lenze MCS/MCA servo motor families are the recommended modern substitutes, though direct dimensional and electrical compatibility must be verified on a case-by-case basis. For sites with existing LSG installations, sourcing original spare units remains the lowest-risk maintenance strategy.

LSG Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the LUST LSG servo motor series, organized by frame size and torque class:

LSG-063-1-10-280/1RB: Frame 063, 1 Nm continuous torque, resolver feedback, 2800 rpm rated speed.
LSG-063-2-15-300/1RB: Frame 063, 2 Nm, resolver, 3000 rpm, standard shaft with keyway.
LSG-071-2-20-300/1RB: Frame 071, 2 Nm, resolver feedback, IP65 protection class.
LSG-071-3-20-300/1RB: Frame 071, 3 Nm continuous, 2000 rpm, holding brake option available.
LSG-090-3-25-400/1RB: Frame 090, 3 Nm, resolver, 4000 rpm, suitable for high-cycle indexing.
LSG-090-4-30-400/1RB: Frame 090, 4 Nm, encoder feedback variant, 4000 rpm.
LSG-090-6-30-400/1RB: Frame 090, 6 Nm peak torque, resolver, low-inertia winding.
LSG-096-3-30-560/1RB5JZ: Frame 096, 3 Nm continuous, 5600 rpm rated speed, resolver feedback, integrated holding brake, IP65.
LSG-096-5-30-450/1RB: Frame 096, 5 Nm, 4500 rpm, resolver, standard flange mount.
LSG-096-7-30-400/1RB: Frame 096, 7 Nm continuous torque, 4000 rpm, high-torque winding variant.
LSG-112-5-40-300/1RB: Frame 112, 5 Nm, 3000 rpm, resolver, suitable for conveyor and web tension control.
LSG-112-8-40-300/1RB: Frame 112, 8 Nm continuous, 3000 rpm, Class F insulation.
LSG-112-12-40-300/1RB: Frame 112, 12 Nm, 3000 rpm, high-torque variant for press and stamping applications.
LSG-132-10-50-300/1RB: Frame 132, 10 Nm, 3000 rpm, resolver, large-frame for heavy-duty axis drives.
LSG-132-15-50-300/1RB: Frame 132, 15 Nm continuous torque, 3000 rpm, Class H insulation, brake option.
LSG-132-20-50-200/1RB: Frame 132, 20 Nm, 2000 rpm, high-torque low-speed variant for direct-drive applications.

Sourcing Hard-to-Find & Obsolete LSG Series Parts

Quality Control for the LSG Series Range

Each LSG series unit processed by DriveKNMS undergoes a structured inspection and functional test protocol specific to permanent-magnet servo motors. The procedure includes: visual inspection of shaft, flange, and connector integrity; winding resistance measurement (phase-to-phase and phase-to-ground) against OEM reference values; insulation resistance test at 500 VDC (minimum 100 MΩ); resolver or encoder signal verification using a dedicated servo drive test bench; no-load run test at rated speed to confirm bearing condition and absence of cogging anomalies; and brake engagement/release force measurement on brake-equipped variants. Motors exhibiting winding degradation, resolver offset drift beyond ±0.5°, or bearing noise above OEM threshold are quarantined and not offered for resale. All tested units are issued a DriveKNMS inspection certificate with test date, technician ID, and measured parameters.