high inertia servo motor
Lightweight and compact – short body length, minimal footprint.
High torque – up to 3× overload capability.
High speed – smooth operation up to 6,000 rpm.
Excellent stability and low cogging torque – enabled by a new electromagnetic design with a 10‑pole/12‑slot configuration.
High protection and long service life – stator coils are integrally potted (encapsulated).
Versatile compatibility – supports incremental and absolute magnetic encoders.
Cost‑effective – high power density for the price.
Rated voltage (D Series): 220 V – 380 V;380v servo motor;2700w servo motor;2900w servo motor;4500w servo motor;5500w servo motor;7500w servo motor
Typical applications: collaborative robots and heavy‑load six‑axis robots.
S‑Series 180 Frame Permanent Magnet Servo Motors – Technical Specifications
| Technical Specifications | ||||||
| Motor Model | Parameter | SF180E35020M2015 | SF180E40020M2015 | SF180E60020M2015 | SF180E70020M2015 | SF180E83020M2015 |
| Compatible Drive Voltage (V) | V | 48 | 48 | 48 | 72 | 72 |
| Rated Power (kW) | kW | 3.5 | 4 | 6 | 7 | 8.3 |
| Rated Torque (N·m) | Nm | 16.5 | 19 | 29 | 33 | 39.6 |
| Peak Torque (N·m) | Nm | 33 | 38 | 58 | 66 | 79.2 |
| Rated Speed (rpm) | rpm | 2000 | 2000 | 2000 | 2000 | 2000 |
| Maximum Speed (rpm) | rpm | 2300 | 2300 | 2300 | 2300 | 2300 |
| Rated Current (A) | A | 85 | 96 | 147 | 113 | 135 |
| Rotor Inertia (kg·m²) | kg·m² | 34.2×10⁻³ | 39.2×10⁻³ | 59.8×10⁻³ | 68.3×10⁻³ | 72.4×10⁻³ |
| Torque coefficient(N·m/A) | Nm/A | 0.194 | 0.19 | 0.197 | 0.19 | 0.29 |
| Line-to-Line Back-EMF Constant (V/krpm) | V/krpm | 12.2 | 12 | 13.3 | 19.5 | 19.8 |
| Number of Pole Pairs | / | 5 | ||||
| Encoder Resolution (PPR) | / | 2500 / Absolute | ||||
| Insulation Class | / | F | ||||
| Degree of Protection | / | IP65 | ||||
| Operating Environment | / | Ambient Temperature: -20°C to 50°C Relative Humidity: < 90% RH (Non-condensing) |
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S‑Series 180 Frame Servo Motors – Supplementary Specifications
1. Winding Connector
| Winding socket | ||||
| Winding Wire | PE | U | V | W |
| Socket Number | 1 | 2 | 3 | 4 |
2. Absolute Encoder Connector (7‑pin)
| Encoder socket (Absolute) | |||||||
| Signal pin definition | PE | 5V | 0V | SD+ | SD- | VB+ | VB- |
| Male pin number | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
3. 15‑Wire Encoder Connector (15‑pin)
| Encoder socket (15-pin) | |||||||||||||||
| Signal pin definition | _ | 5V | 0V | B+ | Z- | U+ | Z+ | U- | A+ | V+ | W+ | V- | A- | B- | W- |
| Male pin number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Mounting dimensions (mm)
| 180E Mounting Dimensions | |||||||||||||
| Motor Flange Size (mm) | Motor Model | Brake | Motor Length (mm) | Output Shaft Dimensions (mm) | Flange Face Dimensions (mm) | Key Dimensions (mm) | |||||||
| LL | LBZ | M | S | FS | FH | LS | Q | QL | QH | ||||
| 180 | SF180E35020M2015 | No | 183±1 | / | 65±0.3 | ⌀35_−0.015−0.005 | ⌀110_−0.03+0.01 | 3.5 | 20 | 10 | 50 | 38 | |
| SF180E35020M2Z15 | Yes | / | 221±1 | ||||||||||
| SF180E40020M2015 | No | 190±1 | / | ||||||||||
| SF180E40020M2Z15 | Yes | / | 228±1 | ||||||||||
| SF180E60020M2Z15 | No | 219±1 | / | ||||||||||
| SF180E60020M2Z15 | Yes | / | 253±1 | ||||||||||
| SF180E70020M2015 | No | 231±1 | / | ||||||||||
| SF180E70020M2Z15 | Yes | / | 269±1 | ||||||||||
| SF180E83020M2015 | No | 250±1 | / | ||||||||||
| SF180E83020M2Z15 | Yes | / | 288±1 | ||||||||||
The above dimensions are standard mounting sizes. Alterations can be made to meet specific customer requirements.
Important: Never apply impact or shock to the motor shaft – doing so can cause irreversible damage to the encoder at the rear end of the shaft.
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