29.Z2.F04-1003 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 29.Z2.F04-1003 is part of the Z2 Three Phase Motor Chokes series and has a rated current of 460 Amps with a maximum voltage of 550 Volts. This choke features an inductance of 0.027 millihenries, supports a phase count of 3, and has a typical power loss of 777 Watts. Its total weight is 62 Kilograms and the conductor cross-section is 150 square millimeters.
Internal Product Review
The 29.Z2.F04-1003 is a KEB Z2 three-phase motor choke built for drive protection at 400 VAC and 460 A. A 20% impedance voltage and 0.027 mH inductance support clean filtering and stable motor performance. The choke stands out as a strong technical fit for demanding three-phase installations.
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Product Description:
The 29.Z2.F04-1003 motor choke is manufactured by KEB as part of the Z2 Three Phase Motor Chokes series. It is installed on the output side of a variable-frequency drive in automated production lines. This three-phase reactor smooths current transitions and limits the peak voltages that reach the motor windings, which improves electromagnetic compatibility and reduces electrical stress on the connected motor.
The choke has an impedance voltage of 20%, meaning the voltage drop across the coil equals one-fifth of the rated line voltage under nominal load. This value helps attenuate harmonics without causing excessive heating. Its inductance is 0.027 mH, providing the reactance needed to filter switching edges generated by the inverter. The core and windings can continuously conduct up to 460 A, making the choke suitable for medium-power drive systems, while the insulation system supports a nominal line voltage of 400 VAC. The pulse-width-modulated carrier frequency must remain between 5 kHz and 8 kHz for efficient operation without magnetic saturation. The design also tolerates line voltages up to 550 V, providing additional capacity for voltage increases associated with regenerative events.
The choke has a total width of 460 mm, a depth of 480 mm, and a height of 180 mm, allowing installation in a suitably sized IEC control cabinet. The assembly weighs 62.0 kg, including 21 kg of electrolytic-grade copper wound around a laminated core. Its terminals accept conductors up to 150 mm², making them suitable for the high-current connections used with three-phase equipment. Typical power loss is 777 W, so the cabinet ventilation system must remove the generated heat to keep the windings within their permitted temperature range. Adequate clearance around the assembly also supports airflow and provides space for routing the large conductors without placing excessive mechanical strain on the terminals.
