8LSA35.E0030D100-3 Detailed Product Description
May 13, 2026

8LSA35.E0030D100-3 Detailed Product Description

Product Overview The 8LSA35.E0030D100-3 is a high‑density, self‑cooling three‑phase synchronous servo motor from B&R’s 8LS3 series (8LSA sub‑series), engineered for high‑precision, high‑dynamic industrial motion control. It features an EnDat 2.2 inductive encoder for digital feedback, keyed shaft, angled swivel connector, and delivers 660 W nominal power with 2.1 Nm nominal torque for medium‑load applications requiring fast acceleration, accurate positioning, and robust performance in harsh environments.

Description

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8LSA35.E0030D100-3 Detailed Product Description

1. Product Overview

The 8LSA35.E0030D100-3 is a high‑density, self‑cooling three‑phase synchronous servo motor from B&R’s 8LS3 series (8LSA sub‑series), engineered for high‑precision, high‑dynamic industrial motion control. It features an EnDat 2.2 inductive encoder for digital feedback, keyed shaft, angled swivel connector, and delivers 660 W nominal power with 2.1 Nm nominal torque for medium‑load applications requiring fast acceleration, accurate positioning, and robust performance in harsh environments.

2. Basic Information

  • Model: 8LSA35.E0030D100-3

  • Series: 8LS3 (8LSA sub‑series)

  • Type: Three‑phase synchronous servo motor, self‑cooling (IC4A0A0)

  • Size: 35 (80 mm flange)

  • Encoder/Feedback: EnDat 2.2 inductive encoder (E0)

  • Shaft End: Keyed shaft (D100‑3)

  • Connection: Angled swivel circular connector

  • Cooling: Self‑cooling (free convection, no external fan)

  • Mounting: Flange‑mounted (80 mm square flange)

  • Certifications: CE, UKCA, cULus (E360421), EAC, KC

  • Insulation Class: F (155°C maximum winding temperature)

  • Protection Class: IP64 (flange/shaft); IP20 (connector end)

3. Electrical Specifications

3.1 Performance Parameters

  • Nominal Speed (nₙ): 3000 rpm

  • Maximum Speed (nₘₐₓ): 9000 rpm

  • Number of Pole Pairs: 4

  • Nominal Torque (Mₙ): 2.1 Nm

  • Stall Torque (M₀): 2.3 Nm

  • Maximum Torque (Mₘₐₓ): 9.2 Nm

  • Nominal Power (Pₙ): 660 W

  • Nominal Current (Iₙ): 1.4 A (rms)

  • Stall Current (I₀): 1.6 A (rms)

  • Maximum Current (Iₘₐₓ): 6.8 A (rms)

  • Torque Constant (Kₜ): 1.45 Nm/A

  • Voltage Constant (Kₑ): 87 V/krpm

  • Phase Resistance (R): 1.8 Ω (per phase, 2‑ph)

  • Phase Inductance (L): 2.3 mH (per phase, 2‑ph)

  • Electrical Time Constant (tₑₗ): 1.28 ms

  • Thermal Time Constant (tₜₕₑᵣₘ): 18 min

3.2 Feedback System

  • Type: EnDat 2.2 inductive encoder (brushless, contactless, digital)

  • Resolution: 23 bits (8,388,608 counts/rev) + 12 bits multi‑turn

  • Communication: Serial digital interface (EnDat 2.2)

  • Supply Voltage: 5 VDC ±5%

  • Interface: Direct compatibility with B&R ACOPOS/ACOPOSmulti drives

  • Features: High noise immunity, high resolution, functional safety capability

3.3 Holding Brake (Not Fitted)

  • Brake Type: Spring‑applied, electrically released (optional)

  • Voltage: 24 VDC ±10%

  • Power Consumption: 6 W

  • Holding Torque: 2.0 Nm

  • Note: This model (D100‑3) has no holding brake

4. Mechanical Specifications

  • Flange Size: 80 mm × 80 mm (square flange, centering diameter 80 mm j6)

  • Shaft Diameter: 14 mm (keyed shaft, keyway 5 mm × 5 mm)

  • Shaft Length: 30 mm

  • Dimensions (W × H × L): 80 mm × 80 mm × 115 mm

  • Weight: Approx. 2.3 kg

  • Moment of Inertia (J): 0.62 kg·cm²

  • Bearing Type: Precision reinforced ball bearings (high‑speed rated)

  • Shaft Runout: ≤0.02 mm

  • Vibration Grade: A (≤1.12 mm/s rms)

  • Noise Level: ≤62 dB(A) at 3000 rpm

  • Oil Seal: Optional DIN 3760 Form A (for shaft protection)

5. Environmental Conditions

5.1 Temperature

  • Operating: 0–40°C (rated); up to 55°C (with 15% torque derating)

  • Storage: −25–55°C

  • Transport: −25–70°C

5.2 Humidity

  • Operating: 5%–85% RH (non‑condensing)

  • Storage: 5%–95% RH (non‑condensing)

5.3 Mounting & Altitude

  • Orientation: Any (horizontal/vertical; no derating)

  • Rated Altitude: 0–1000 m

  • Max Altitude: 4000 m (with 10% torque derating above 1000 m)

6. Interface & Connection

  • Motor Connector: HTEC circular connector (size 1), angled/swivel type

  • Cable Compatibility: B&R hybrid power/feedback cables (e.g., 8CC004.12‑1)

  • Wire Gauge: 0.75–1.5 mm² (power); 0.25–0.5 mm² (feedback)

  • Cable Length: Max 50 m (without signal amplification)

  • Connector Hood: Optional IP65 protection for connector end

7. Thermal Protection

  • Method: Winding temperature sensor (PTC 100 Ω) + drive‑based monitoring

  • Threshold: 110°C (drive limits torque); 155°C (hardware shutdown)

  • Cooling Requirement: Natural convection (no external fan needed; avoid enclosed spaces with poor airflow)

8. Key Features

  • High Dynamic Performance: 9000 rpm max speed, 9.2 Nm peak torque, fast acceleration

  • High‑Resolution Digital Feedback: EnDat 2.2 encoder (23 bits) for ultra‑precision positioning

  • Robust & Durable: IP64 protection, reinforced bearings, brushless design for long service life

  • Compact High Power Density: 80 mm flange, 2.3 kg weight, 660 W power output

  • Keyed Shaft: Standard keyway for secure coupling/gearbox integration

  • Swivel Connector: Angled connector reduces cable stress and simplifies routing

  • High Efficiency: IE3 classification, low energy consumption, reduced heat generation

  • Easy Maintenance: Brushless design with minimal upkeep and long service intervals

9. Accessories

9.1 Mandatory

  • Power/Feedback Cable: 8CC004.12‑1 (standard length)

  • Mounting Bolts: M5 × 10 mm (4 pcs)

9.2 Optional

  • Holding Brake Kit: 8LSA35.B000‑3 (retrofit)

  • Smooth Shaft Kit: 8LSA35.K000‑3 (retrofit)

  • Oil Seal: DIN 3760 Form A (for shaft protection)

  • Connector Hood: IP65 protection for connector end

  • Gearbox: B&R 8G series planetary gearboxes (ratio 3:1 to 50:1)

10. Typical Applications

  • CNC machine tools (milling, turning, grinding)

  • High‑speed automated assembly lines

  • Packaging machinery (filling, sealing, labeling)

  • Textile machinery (spinning, weaving, knitting)

  • Robotics (articulated arms, SCARA robots, delta robots)

  • Material handling systems (conveyors, pick‑and‑place)

  • Printing machinery (digital, offset, flexographic)

  • Medical and laboratory automation equipment


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