Kollmorgen T126-0001 REV.P3 Servo Motor Detailed Product Description

I. Product Overview

T126-0001 REV.P3 is a high-performance brushless servo motor from Kollmorgen's Goldline XT series, with a 126mm flange specification (configuration 0001), REV.P3 representing the 3rd version of hardware/firmware revision (optimized for heat dissipation, feedback, and winding performance). This motor features high torque density, ultra-low tooth-slot effect, high dynamic response, and stability and reliability as its core characteristics, designed specifically for medium-power precision motion control, suitable for 3–5kW servo systems, and widely used in high-end automation fields such as CNC machines, industrial robots, semiconductor equipment, packaging machinery, etc.

II. Complete Model Interpretation

T126: Goldline XT series, 126mm square flange (equivalent to NEMA 50)

0001: Basic configuration - no electromagnetic brake, standard resolver feedback, standard rotary composite connector, no shaft extension option

REV.P3: 3rd version hardware revision - winding thermal resistance optimization, resolver signal anti-interference enhancement, compatible with the latest firmware of S600/S700, mechanical accuracy upgrade

III. Core Electrical Parameters (Standard Specifications of P3 Version)

1. Torque and Speed

Continuous stall torque: 12.0 N·m (S1 continuous, 40°C environment)

Peak torque: 36.0 N·m (3× continuous, duration ≤ 5s)

Rated speed: 3000 rpm

Maximum speed: 5000 rpm (speed stability optimization in P3 version)

Torque constant (Kt): 6.7 N·m/A

Reverse electromotive force constant (Ke): 0.71 V/(krpm)

Tooth-slot torque: <0.5% of rated torque (patented IPM internal magnet steel design, ultra-low fluctuation)

2. Electrical Characteristics

Phase resistance (20°C): 0.45 Ω

Phase inductance: 1.8 mH

Rated current: 1.8 A RMS

Peak current: 5.4 A RMS

Rated power: 3.8 kW (3000 rpm)

Rotor inertia: 3.6 kg·cm² (high torque inertia ratio, excellent dynamic response)

Insulation class: F grade (155°C)

Thermal protection: Built-in PTC thermistor (triggered by 130°C over-temperature protection)

3. Feedback and Interface

Standard feedback: Resolver (12 poles, high precision anti-interference)

Compatible feedback: Incremental encoder (2500–8192 ppr), EnDat, Hiperface, SSI

Connector: Rotating power + feedback composite connector (360° rotatable, flexible wiring)

Connection method: Plug-in terminals, power/fault separation, strong anti-interference

Compatible driver: Kollmorgen SERVOSTAR S600 (S61000 10A), S700, AKD, CD series

IV. Physical and Mechanical Specifications

Flange size: 126mm × 126mm (installation hole spacing 100mm)

Shaft diameter: 19mm (key slot 6×6mm, standard shaft extension)

Shaft extension length: 50mm

Motor length (without shaft): 215mm

Installation depth: 150mm

Weight: 12.5 kg

Protection class: IP65 (stator/fuselage), IP50 (shaft extension) (oil and dust-proof, suitable for industrial environments)

Cooling method: Natural air cooling (IC410) (P3 version cooling structure optimization, continuous overload capacity increased by 15%) Installation direction: Any (vertical / horizontal / inverted; no installation restrictions)

Mechanical accuracy: Axial runout ≤ 5μm, Flange perpendicularity ≤ 10μm, Coaxiality ≤ 8μm (superior to NEMA standards)

V. Environment and Certification

Operating temperature: -20°C ~ +40°C (no reduction in performance under rated conditions)

Storage temperature: -40°C ~ +85°C

Relative humidity: 5%–95% (no condensation)

Vibration: 5g (10–2000Hz)

Impact: 15g (11ms)

Certification standards: UL 1004, CE, cULus, EN 60034-1

VI. Core Upgrade Features of P3 Version

Winding thermal performance optimization

Use of new high-temperature resistant enameled wire, thermal resistance reduced by 15%

Continuous operation temperature rise reduced by 10–15°C, overload capacity significantly improved

Support for continuous operation at 110% rated load (40°C environment)

Feedback system enhancement

Upgrade of resolver signal processing circuit, electromagnetic interference resistance improved by 30%

Position feedback accuracy more stable at high speed (5000rpm), positioning error ≤ ±1 encoder pulse

Compatible with the latest firmware of S600/S700 drives, automatic identification and calibration more accurate

Mechanical and structural optimization

Upgrade of end cover and flange processing accuracy, assembly vibration reduced by 20%

Bearings use permanent lubrication type (7×24 hours maintenance-free), life ≥ 10,000 hours

Composite connector contacts gold plating, lower contact resistance, higher reliability

Control performance improvement

Enhanced vector control adaptability, smoother operation at low speed (≤1rpm), no jitter

Faster dynamic response, torque step response time ≤ 1ms

Improved friction compensation, inertia identification accuracy, easier debugging

VII. Core Functional Advantages

1. High torque density, ultimate dynamics

12Nm continuous torque / 12.5kg, industry-leading torque density

High torque inertia ratio (3.33 N・m/(kg・cm²)), acceleration and deceleration rapid, positioning extremely fast

Peak 36Nm, meeting instantaneous heavy load, sudden start and stop scenarios

2. Ultra-low tooth槽， smooth and precise

Patented IPM built-in magnetic steel design， tooth槽 torque <0.5% of rated value

Operation smooth， without pulsation and noise in the full speed range (0–5000rpm)

High positioning accuracy， suitable for micro-meter-level positioning equipment (semiconductor， inspection instruments)

3. Industrial-grade reliability， long-term stability

IP65 protection， oil-proof， dust-proof， moisture-proof， suitable for harsh industrial environments

F-class insulation + PTC thermal protection， dual guarantee， MTBF > 100，000 hours

Brushless structure， permanent lubrication bearings， maintenance-free， 7×24 hours continuous operation

4. Fully compatible， easy integration

Perfectly matches Kollmorgen S600/S700 servo drives (such as S61000 10A)

Supports mainstream feedback and communication， plug-and-play， efficient debugging

Standard flange / shaft extension， compatible with third-party transmission and mechanical structures

VIII. Typical Application Domains

CNC machine tools： machining centers， CNC lathes， grinding machines， engraving machines， laser cutting machines (high dynamic spindle / feed axis)

Industrial robots： 4–6-axis joint robots， SCARA， handling / palletizing robots (medium power joint drives)

Semiconductor equipment： wafer handling， probe station， dicing machine， solidification machine， inspection equipment (high precision stable positioning)

Packaging machinery： vertical packaging machines， labeling machines， filling machines， bag-making machines (high-speed continuous stable operation)

Electronic manufacturing： SMT soldering machines， dispensing machines， plug-in machines， AOI inspection equipment (precise positioning and synchronization) Printing equipment: Gravure printing machine, Flexographic printing machine, Coating machine, Slicing machine, Die-cutting machine (high-speed synchronous offset printing)

Textile / Rubber: High-speed winding head, Twisting machine, Small injection molding machine, Extruder (continuous heavy-load stable)

IX. Installation and Commissioning Key Points

Installation: Can be installed vertically or horizontally at any angle, flatness of flange ≤ 10 μm, bolt tightening torque 8–10 N·m

Cabling: Power lines and encoder lines are twisted shielded and separated for wiring (spacing ≥ 10 cm), 360° shielding layer grounded

Cable specifications: Power lines ≥ 1.5 mm², Encoder lines twisted shielded (wire diameter ≥ 0.2 mm²)

Commissioning: Parameters are automatically set through Kolmoson Workbench software, confirm feedback polarity, torque direction, and limit protection

Maintenance: Regularly check connector tightness, clean the machine body, no lubrication maintenance required (permanent lubrication of bearings)

Safety: Wait for the driver to discharge after power off (≥ 5 minutes), prevent high-voltage electric shock; prohibit axial extension from bearing radial impact

X. Notes

This description is based on the official technical specifications of Kolmoson Goldline XT T126-0001 REV.P3 and the P3 revision document. T126 series are classic medium-power high-performance models, with large market share, sufficient spare parts, and a complete maintenance system. Actual parameters are based on product nameplates and original factory technical manuals. Installation, commissioning, and maintenance must be carried out by professional electrical/mechanical engineers. Unauthorized operations and unauthorized modifications are strictly prohibited.

I. Product Overview

T126-0001 REV.P3 is a high-performance brushless servo motor from Kollmorgen's Goldline XT series, with a 126mm flange specification (configuration 0001), REV.P3 representing the 3rd version of hardware/firmware revision (optimized for heat dissipation, feedback, and winding performance). This motor features high torque density, ultra-low tooth-slot effect, high dynamic response, and stability and reliability as its core characteristics, designed specifically for medium-power precision motion control, suitable for 3–5kW servo systems, and widely used in high-end automation fields such as CNC machines, industrial robots, semiconductor equipment, packaging machinery, etc.

II. Complete Model Interpretation

T126: Goldline XT series, 126mm square flange (equivalent to NEMA 50)

0001: Basic configuration - no electromagnetic brake, standard resolver feedback, standard rotary composite connector, no shaft extension option

REV.P3: 3rd version hardware revision - winding thermal resistance optimization, resolver signal anti-interference enhancement, compatible with the latest firmware of S600/S700, mechanical accuracy upgrade

III. Core Electrical Parameters (Standard Specifications of P3 Version)

1. Torque and Speed

Continuous stall torque: 12.0 N·m (S1 continuous, 40°C environment)

Peak torque: 36.0 N·m (3× continuous, duration ≤ 5s)

Rated speed: 3000 rpm

Maximum speed: 5000 rpm (speed stability optimization in P3 version)

Torque constant (Kt): 6.7 N·m/A

Reverse electromotive force constant (Ke): 0.71 V/(krpm)

Tooth-slot torque: <0.5% of rated torque (patented IPM internal magnet steel design, ultra-low fluctuation)

2. Electrical Characteristics

Phase resistance (20°C): 0.45 Ω

Phase inductance: 1.8 mH

Rated current: 1.8 A RMS

Peak current: 5.4 A RMS

Rated power: 3.8 kW (3000 rpm)

Rotor inertia: 3.6 kg·cm² (high torque inertia ratio, excellent dynamic response)

Insulation class: F grade (155°C)

Thermal protection: Built-in PTC thermistor (triggered by 130°C over-temperature protection)

3. Feedback and Interface

Standard feedback: Resolver (12 poles, high precision anti-interference)

Compatible feedback: Incremental encoder (2500–8192 ppr), EnDat, Hiperface, SSI

Connector: Rotating power + feedback composite connector (360° rotatable, flexible wiring)

Connection method: Plug-in terminals, power/fault separation, strong anti-interference

Compatible driver: Kollmorgen SERVOSTAR S600 (S61000 10A), S700, AKD, CD series

IV. Physical and Mechanical Specifications

Flange size: 126mm × 126mm (installation hole spacing 100mm)

Shaft diameter: 19mm (key slot 6×6mm, standard shaft extension)

Shaft extension length: 50mm

Motor length (without shaft): 215mm

Installation depth: 150mm

Weight: 12.5 kg

Protection class: IP65 (stator/fuselage), IP50 (shaft extension) (oil and dust-proof, suitable for industrial environments)

Cooling method: Natural air cooling (IC410) (P3 version cooling structure optimization, continuous overload capacity increased by 15%) Installation direction: Any (vertical / horizontal / inverted; no installation restrictions)

Mechanical accuracy: Axial runout ≤ 5μm, Flange perpendicularity ≤ 10μm, Coaxiality ≤ 8μm (superior to NEMA standards)

V. Environment and Certification

Operating temperature: -20°C ~ +40°C (no reduction in performance under rated conditions)

Storage temperature: -40°C ~ +85°C

Relative humidity: 5%–95% (no condensation)

Vibration: 5g (10–2000Hz)

Impact: 15g (11ms)

Certification standards: UL 1004, CE, cULus, EN 60034-1

VI. Core Upgrade Features of P3 Version

Winding thermal performance optimization

Use of new high-temperature resistant enameled wire, thermal resistance reduced by 15%

Continuous operation temperature rise reduced by 10–15°C, overload capacity significantly improved

Support for continuous operation at 110% rated load (40°C environment)

Feedback system enhancement

Upgrade of resolver signal processing circuit, electromagnetic interference resistance improved by 30%

Position feedback accuracy more stable at high speed (5000rpm), positioning error ≤ ±1 encoder pulse

Compatible with the latest firmware of S600/S700 drives, automatic identification and calibration more accurate

Mechanical and structural optimization

Upgrade of end cover and flange processing accuracy, assembly vibration reduced by 20%

Bearings use permanent lubrication type (7×24 hours maintenance-free), life ≥ 10,000 hours

Composite connector contacts gold plating, lower contact resistance, higher reliability

Control performance improvement

Enhanced vector control adaptability, smoother operation at low speed (≤1rpm), no jitter

Faster dynamic response, torque step response time ≤ 1ms

Improved friction compensation, inertia identification accuracy, easier debugging

VII. Core Functional Advantages

1. High torque density, ultimate dynamics

12Nm continuous torque / 12.5kg, industry-leading torque density

High torque inertia ratio (3.33 N・m/(kg・cm²)), acceleration and deceleration rapid, positioning extremely fast

Peak 36Nm, meeting instantaneous heavy load, sudden start and stop scenarios

2. Ultra-low tooth槽， smooth and precise

Patented IPM built-in magnetic steel design， tooth槽 torque <0.5% of rated value

Operation smooth， without pulsation and noise in the full speed range (0–5000rpm)

High positioning accuracy， suitable for micro-meter-level positioning equipment (semiconductor， inspection instruments)

3. Industrial-grade reliability， long-term stability

IP65 protection， oil-proof， dust-proof， moisture-proof， suitable for harsh industrial environments

F-class insulation + PTC thermal protection， dual guarantee， MTBF > 100，000 hours

Brushless structure， permanent lubrication bearings， maintenance-free， 7×24 hours continuous operation

4. Fully compatible， easy integration

Perfectly matches Kollmorgen S600/S700 servo drives (such as S61000 10A)

Supports mainstream feedback and communication， plug-and-play， efficient debugging

Standard flange / shaft extension， compatible with third-party transmission and mechanical structures

VIII. Typical Application Domains

CNC machine tools： machining centers， CNC lathes， grinding machines， engraving machines， laser cutting machines (high dynamic spindle / feed axis)

Industrial robots： 4–6-axis joint robots， SCARA， handling / palletizing robots (medium power joint drives)

Semiconductor equipment： wafer handling， probe station， dicing machine， solidification machine， inspection equipment (high precision stable positioning)

Packaging machinery： vertical packaging machines， labeling machines， filling machines， bag-making machines (high-speed continuous stable operation)

Electronic manufacturing： SMT soldering machines， dispensing machines， plug-in machines， AOI inspection equipment (precise positioning and synchronization) Printing equipment: Gravure printing machine, Flexographic printing machine, Coating machine, Slicing machine, Die-cutting machine (high-speed synchronous offset printing)

Textile / Rubber: High-speed winding head, Twisting machine, Small injection molding machine, Extruder (continuous heavy-load stable)

IX. Installation and Commissioning Key Points

Installation: Can be installed vertically or horizontally at any angle, flatness of flange ≤ 10 μm, bolt tightening torque 8–10 N·m

Cabling: Power lines and encoder lines are twisted shielded and separated for wiring (spacing ≥ 10 cm), 360° shielding layer grounded

Cable specifications: Power lines ≥ 1.5 mm², Encoder lines twisted shielded (wire diameter ≥ 0.2 mm²)

Commissioning: Parameters are automatically set through Kolmoson Workbench software, confirm feedback polarity, torque direction, and limit protection

Maintenance: Regularly check connector tightness, clean the machine body, no lubrication maintenance required (permanent lubrication of bearings)

Safety: Wait for the driver to discharge after power off (≥ 5 minutes), prevent high-voltage electric shock; prohibit axial extension from bearing radial impact

X. Notes

This description is based on the official technical specifications of Kolmoson Goldline XT T126-0001 REV.P3 and the P3 revision document. T126 series are classic medium-power high-performance models, with large market share, sufficient spare parts, and a complete maintenance system. Actual parameters are based on product nameplates and original factory technical manuals. Installation, commissioning, and maintenance must be carried out by professional electrical/mechanical engineers. Unauthorized operations and unauthorized modifications are strictly prohibited.