Source-backed claims. Configuration, workload and evidence type matter when comparing products.
Adhesive heat-curing temperature
<100 °C
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Conditional installation limit when the selected adhesive requires heat curing; not the motor operating-temperature rating.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings若胶水需要加热固化,加热固化温度应低于100℃,以免损坏定子。
Back emf constant
8 V/krpm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Lead-end potting height (drawing d)
5.7 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsD | 5.7
Line inductance
0.144 mH
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 18; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333线电感 (mH) | 0.144
Line resistance
0.068 Ω
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 17; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333线电阻 (Ω) | 0.068
Mass
0.629 kg
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Maximum current
64.2 A
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 19; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333最大电流(A) | 64.2
Maximum speed
4,000 rpm
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 20; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333最高转速(rpm) | 4000
Maximum torque
7.52 N·m
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Minimum housing-bottom to potting clearance
≥1 mm
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Prose says at least 1 mm; the accompanying illustration labels the clearance >1. Treat as installation guidance requiring the integrator to follow the drawing and manufacturer confirmation, not a supplied motor dimension.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings外壳底面应与定子灌封面保持至少1mm间隙,确保定子安装到位。
No-load speed
4,000 rpm
Manufacturer specification
Configuration: FM1-08523; current catalog selection guide, printed pages 09–10; Explicit no-load-speed column, separate from loaded rated speed and the parent maximum-speed claim. The eight base codes are independently named without ellipses in the same catalog FM1 detailed pages; no new winding suffix or option combination is inferred.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsFM1-08523··· | 4000 | 24-70 | CD-EC4820-100; CD-EC4820-115
Non-lead-end potting height (drawing b)
4.8 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsB | 4.8
Optional sensing and lead arrangement
Hall sensor, temperature sensor and lead arrangement options
Manufacturer specification
Configuration: FM1-08523; FM1 family option statement; Family-level available options; not a claim that any option is fitted to this base model, and no additional option combinations are created.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings霍尔、温度传感器、出线形式可选
Phase count
3
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 15; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333相数(m) | 3
Pole-pair count
10
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 16; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied.
Leadshine FM1 public specification table; request classId 1333极对数 (P) | 10
Potting outside diameter (drawing g)
83.4 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsG | 83.4
Rated current
21.2 A
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rated power
920 W
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rated speed
3,500 rpm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified. The catalog rated-speed table says 3500 rpm, while its TN graph prints 1600/2300/4000 rpm axis labels without a 3500-rpm marker. Curve/table operating applicability is unresolved; no interpolated replacement rating or duty cycle has been saved.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rated torque
2.51 N·m
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rated voltage
48 VDC
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rated voltage range (selection guide)
24–70 VDC
Manufacturer specification
Configuration: FM1-08523; current catalog selection guide, printed pages 09–10; Selection-guide base-code row with printed ellipsis; not a claim that all optional windings can use every voltage at the detailed 48 V ratings. The eight base codes are independently named without ellipses in the same catalog FM1 detailed pages; no new winding suffix or option combination is inferred.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsFM1-08523··· | 4000 | 24-70 | CD-EC4820-100; CD-EC4820-115
Recommended axial-locating shoulder radial depth
0.5–1 mm
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Recommended customer-housing shoulder geometry for the installation methods described.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings在外壳内腔一端应设计一个用于轴向定位的台阶,通常推荐台阶径向深度为0.5mm~1mm
Recommended drives
CD-EC4820-100; CD-EC4820-115
Manufacturer specification
Configuration: FM1-08523; current catalog selection guide, printed pages 09–10; Manufacturer filled-dot pairings in the four named drive columns; recommendations do not imply the drive is included or qualify every custom option. The eight base codes are independently named without ellipses in the same catalog FM1 detailed pages; no new winding suffix or option combination is inferred.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsFM1-08523··· | 4000 | 24-70 | CD-EC4820-100; CD-EC4820-115
Recommended housing material
Nonmagnetic metal housing; aluminum alloy preferred
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Housing-selection recommendation, not a verified rating-test fixture.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings推荐用户采用不导磁金属外壳通过粘接、热套或轴向紧固的方式组装定子,以正确结构方式安装可为整机带来最佳的导热性能。铝合金具有良好的导热以及强度-重量比,优选金属材料为铝合金材料,不建议选用碳钢、铸铁、400系列不锈钢合金和其他导磁类金属。
Rotational inertia
0.00014 kg·m²
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified. Printed inertia value is multiplied by 10^-4 as explicitly printed in the catalog header.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Rotational inertia (literal parent unit)
1.4 -0.0001*kg·m²
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 9; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied. Source unit is literally "-0.0001*kg·m²"; its leading minus/sign notation is unresolved. Retained as text without interpreting a negative physical inertia. Use the separately qualified catalog claim for its explicit positive scaling.
Leadshine FM1 public specification table; request classId 1333转动惯量 (-0.0001*kg·m²) | 1.4
Rotor height (drawing e)
25.1 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsE | 25.1
Rotor inside diameter (drawing h)
52 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsH | 52
Rotor mounting options
Interference cold pressing or adhesive bonding
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Rotor-specific recommendation; unlike the laminated stator, the rotor ring may use interference cold pressing or bonding. No interference tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings通常采用过盈冷压装配或粘贴装配
Stator cold-press limitation
Cold pressing is not recommended for the laminated stator
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Stator-specific installation limitation; does not apply the distinct rotor guidance to the stator.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings定子本身为叠片结构,冷压安装会损坏定子。
Stator core height (drawing c)
23.1 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsC | 23.1
Stator core outside diameter (drawing f)
85 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsF | 85
Stator height (drawing a)
37.5 mm
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; dimension drawing; Literal dimension-callout value; table explicitly says Size (mm). Letter semantics follow the accompanying section drawing and matching parent table; no tolerance is supplied.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawingsA | 37.5
Stator mounting options
Adhesive bonding; shrink-fit; axial clamping
Manufacturer specification
Configuration: FM1-08523; family mounting guidance, current catalog printed pages 25–26; Manufacturer family-level installation recommendation, separate from the unknown electrical-rating test conditions. Installation guidance; axial clamping is separately cautioned against for mass production because of loosening risk.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings推荐用户采用不导磁金属外壳通过粘接、热套或轴向紧固的方式组装定子
Torque constant
0.132 N·m/A
Manufacturer specification
Configuration: FM1-08523; current D20260702 catalog, printed page 23; Manufacturer rating for the exact printed model suffix under its FM1 frame heading; installation, cooling and measurement conditions are not specified.
Leadshine current FM catalog: FM1 exact models, ratings and dimension drawings额定功率 Rated Power (w) | 额定电压 Rated Voltage (VDC) | 额定电流 Rated Current (A) | 额定转矩 Rated Torque (Nm) | 最大转矩 Maximum Torque (Nm) | 额定转速 Rated Speed (rpm) | 反电势常数 Voltage Constant (V/krpm) | 转矩常数 Torque Constant (Nm/A) | 转动惯量 Inertia (kgm²*10-4) | 重量 Weight (kg)
23 | 920 | 48 | 21.2 | 2.51 | 7.52 | 3500 | 8 | 0.132 | 1.4 | 0.629
Torque constant (parent first column)
0.014 N·m/A
Manufacturer specification
Configuration: FM1-08523; current parent FM1 HTML table, column 8; Current parent FM1 specification endpoint, request classId 1333, exact model row; no measurement temperature, tolerance or cooling condition is supplied. Source conflict: this parent-table claim differs from the separately cited current catalog claim; applicable revision requires manufacturer clarification. The parent table has two distinct torque columns (Torque Constant and Torque Coefficient); neither is silently substituted for the other.
Leadshine FM1 public specification table; request classId 1333转矩常数 (Nm/A) | 0.014