04.SM.002-3400 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 04.SM.002-3400 is part of the SM Synchronous Servo Motors series and has a nominal power of 1.9 kW and nominal speed of 3000 rpm. It features a 2-pole resolver encoder type, IP65 protection class, and weighs 7.9 kg. The servo motor operates with a rated voltage of 400 V and provides a nominal torque of 6.1 Nm.
Internal Product Review
The 04.SM.002-3400 is a KEB synchronous servo motor rated for 1.9 kW at 3000 rpm. IP65 protection and a 2-pole resolver support accurate feedback in demanding machine-duty installations. The 6.1 Nm nominal torque with 7 Nm standstill torque gives the motor a confident, stable servo profile.
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Product Description:
The KEB 04.SM.002-3400 belongs to the SM Synchronous Servo Motors series and serves as a compact actuator for industrial automation axes. Its permanent-magnet construction produces torque quickly, and the integrated resolver returns position data to a matching drive for closed-loop motion control. This arrangement supports precise starts, stops, reversals, and holding action in indexing tables, packaging spindles, and material-handling equipment. It is intended for applications that require repeatable positioning and stable speed control through frequent operating cycles. Its compact form also suits machine layouts where available mounting space is limited.
The motor accepts a three-phase supply of 400 V and draws a nominal 4.5 A to produce 1.9 kW of mechanical output. Under rated conditions, the shaft turns at 3000 rpm and delivers a continuous torque of 6.1 Nm, which suits steady-running servo axes with moderate load demand. For short acceleration periods, the inverter can command up to 23.0 A of phase current so the axis can overcome inertia and friction without losing synchronization. A winding resistance of 3.2 Ω helps limit copper losses, and the thermal layout supports continuous duty when the motor is paired with a properly sized drive.
At standstill, the stator current limit of 4.8 A allows the motor to hold a load with 7 Nm of torque. The rotor inertia of 7.4 kg·cm² supports responsive motion while helping smooth speed changes, and the resolver uses a 2-pole sensing arrangement for position feedback. The generated back EMF has a constant of 119.8 V/1000 rpm, while the windings present 12.8 mH of inductance that shapes current rise during dynamic commands. The housing is sealed to IP65, which helps protect internal parts from dust and water jets. The overall length is 248 mm and the weight is 7.9 kg, so the motor fits compact machine spaces without adding excessive bulk.
