ES40 50-100W power rated 0.32NM 3000 RPM 24V, 310V DC micro servo motor high precision
| Model ES 40 -48V (No Brake) | |||||||
| Rated Power | Max radial force | Max axial force | Weight | Shaft type | Shaft diameter | Feedback device | No of poles |
| 100W | 120N | 60N | 0.75 | Key shaft | φ8 | — | 8 poles |
| Model ES 40 -310V (No Brake) | |||||||
| Rated Power | Max radial force | Max axial force | Weight | Shaft type | Shaft diameter | Feedback device | No of poles |
| 50W | 120N | 60N | 0.5kg | Key shaft | φ8 | 24 bit | 10 poles |
| 100W | 120N | 60N | 0.5kg | Key shaft | φ8 | 17 bit | 8 poles |
Electrical Specification
| MODEL | ES4004A-10D30A1 | ES4004A-10D30L2 | ES4005A-05S30N1-001 | ES40004K-10D30L3 Low-voltage servo |
| RATED POWER (WATTS) | 100 | 100 | 50 | 100 |
| RATED VOLTAGE | 310 | 310 | 310 | 24 |
| RATED CURRENT (A) | 1.2 | 1.2 | 0.56 | 5.6 |
| RATED SPEED (RPM) | 3000 | 3000 | 3000 | 3000 |
| RATED TORQUE (N.M) | 0.32 | 0.32 | 0.16 | 0.32 |
| PEAK TORQUE (N.M) | 0.96 | 0.96 | 0.48 | 0.9 |
| BACK EMF CONSTANT (V/KRPM) | 16 | 16 | 16 | 6 |
| TORQUE COEFFICIENT (N.M/AMPS) | 0.265 | 0.265 | 0.265 | 0.057 |
| ROTOR INERTIA (KG.CM2) | 0.045 | 0.045 | 0.03 | 0.045 |
| LINE-LINE RESISTANCE (Ω) | 11 | 11 | 23 | 0.6 |
| LINE-LINE INDUCTANCE (MH) | 8 | 8 | 16 | 0.86 |
| MECHANICAL TIME-CONSTANT (MS) | 0.86 | 0.86 | 0.86 | 1.08 |
| MODEL | ES4004A-10D30N1 | ES4004A-10D30N2-001 | ES4004A-10D30L1 | ES4004A-10D30L2 | ES4005A-05S30N2-001 |
| RATED POWER (WATTS) | 100 | 100 | 100 | 100 | 50 |
| RATED VOLTAGE | 310 | 310 | 310 | 310 | 310 |
| RATED CURRENT (A) | 1.2 | 1.2 | 1.2 | 1.2 | 0.56 |
| RATED SPEED (RPM) | 3000 | 3000 | 3000 | 3000 | 3000 |
| RATED TORQUE (N.M) | 0.32 | 0.32 | 0.32 | 0.32 | 0.16 |
| PEAK TORQUE (N.M) | 0.96 | 0.96 | 0.96 | 0.96 | 0.48 |
| BACK EMF CONSTANT (V/KRPM) | 16 | 16 | 16 | 16 | 16 |
| TORQUE COEFFICIENT (N.M/AMPS) | 0.265 | 0.265 | 0.265 | 0.265 | 0.265 |
| ROTOR INERTIA (KG.CM2) | 0.045 | 0.045 | 0.045 | 0.045 | 0.03 |
| LINE-LINE RESISTANCE (Ω) | 11 | 11 | 11 | 11 | 23 |
| LINE-LINE INDUCTANCE (MH) | 8 | 8 | 8 | 8 | 16 |
| MECHANICAL TIME-CONSTANT (MS) | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 |

40 Series With Brake
| PIN | FUNCTION | COLOUR |
| 1 | U | Red |
| 2 | V | White |
| 3 | W | Black |
| 4 | G | Yellow/Green |
| 5 | Brake | Yellow |
| 6 | Brake | Blue |
| PIN | FUNCTION | COLOUR |
| 1 | OV | Black |
| 2 | ||
| 3 | SD+ | Blue |
| 4 | +5V | Red |
| 5 | BAY- | Brown/Black |
| 6 | BAT+ | Brown |
| 7 | SD- | Blue/Black |
| 8 | / | |
| 9 | GND | Grey(Shield) |
| Type | 40 | ||
| Power | 50W | 100W | |
| Encoder | |||
| L (mm) | A | 127 | |
| B | |||
| L | 127 | ||
| N | 95 | 155 | |
| Type | 40 | ||
| Power | 50W | 100W | |
| Encoder | |||
|
Weight | A | 0.72 | |
| B | |||
| L | 0.72 | ||
| N | 0.58 | 0.76 | |
Note: A, B, L, N refers to the different encoder.
A= tamagawa single-turn absolute value 17-bit encoder
B=incremental 2500ppr optical encoder
L=tamagawa multi-turn absolute value 17-bit encoder
N=Nikon multi-turn absolute value 24 bit
Without Brake

| PIN | FUNCTION | COLOUR |
| 1 | U | Red |
| 2 | V | White |
| 3 | W | Black |
| 4 | G | Yellow/Green |
| PIN | FUNCTION | COLOUR |
| 1 | NC | |
| 2 | SD | Blue |
| 3 | SD- | Purple |
| 4 | Vcc | White |
| 5 | GND | Black |
| 6 | Shield | |
| Type | 40 | ||
| Power | 50W | 100W | |
| Encoder | |||
| L | A |
| 91.5 |
| B |
|
| |
| L |
| 97 | |
| N | 65 | 85 | |
| Type | 40 | ||
| Power | 50W | 100W | |
| Encoder | |||
| Weight | A |
| 0.48 |
| B |
|
| |
| L |
| 0.52 | |
| N | 0.34 | 0.45 | |
Note: A, B, L, N refers to the different encoder.
A= tamagawa single-turn absolute value 17-bit encoder
B=incremental 2500ppr optical encoder
L=tamagawa multi-turn absolute value 17-bit encoder
N=Nikon multi-turn absolute value 24 bit
Servo Motor Assembly Line

Laser Spot Welder
