I. Model Breakdown

2AD: Asynchronous Servo Spindle Motor Series

164: Frame size 164 (larger than 160, IEC standard)

B: Medium core length, standard power / torque

B05: Only flange installation (without anchor bolts), short flange

O: Junction box at the top (from the shaft end view)

A: Power line outlet facing the A side

1: Axial flow fan cooling at 230V AC

BS27: BS winding, with built-in brake, high-resolution absolute value servo feedback

H2N1: H side with shaft extension, ordinary seal (N), IP54, standard bearing

II. Main Technical Parameters (Typical Values for 2AD164B)

Rated Power: ≈26 kW (400V)

Rated Torque: ≈165 Nm

Rated Speed: 1500 rpm

Maximum Speed: 6000 rpm

Working Voltage: Three-phase AC 380–480V

Cooling: 230V axial flow fan, forced air cooling

Protection: IP54 (ordinary seal, splash-proof)

Insulation Class: F (155℃)

Environmental Temperature: 0–45℃

Installation: B05 (pure flange, no anchor bolts)

Weight: ≈165 kg

Feedback: BS27 Absolute Encoder (position retains power off)

Brake: With built-in holding brake (power off locks shaft)

III. Function Positioning

For CNC spindle, high-speed milling machines, packaging / printing equipment main drive

164B Frame + Medium Core: Higher power than 160B, high torque density, suitable for medium-heavy loads

BS27 Absolute Feedback: No zero return required at startup, high positioning accuracy, suitable for high-speed high-precision machining

With Built-in Brake: Vertical axis / Applications requiring power-off locking position (such as gantry, vertical lathes)

Top wiring + A side outlet: Suitable for top wiring, compact equipment layout

IP54: Suitable for dusty / dry environments, low coolant usage occasions

IV. Compatible Drives

Rexroth IndraDrive: HCS03, HCS04, HMD01

Compatible with older models: DIAX04, EcoDrive

Debugging Software: IndraWorks