13.Z2.F04-1003 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 13.Z2.F04-1003 is a three-phase motor choke in the Z2 Three Phase Motor Chokes series, featuring a nominal current of 12 Amps and a rated voltage of 400 VAC. It supports a maximum operating voltage of 550 V and a max output frequency of 1600 Hz. The choke weighs 5.2 kg and has an inductance of 0.766 mH.
Internal Product Review
The 13.Z2.F04-1003 is a KEB three-phase motor choke built for dependable drive output conditioning with 400 VAC rated voltage and 12 A nominal current. An inductance of 0.766 mH supports effective harmonic mitigation, while the 1600 Hz maximum output frequency makes the unit especially well suited for demanding inverter applications.
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Product Description:
The 13.Z2.F04-1003 is a three-phase motor choke produced by KEB for the Z2 Three Phase Motor Chokes series. Installed between a frequency inverter and an AC motor, the choke limits current ripple and attenuates line-to-line voltage spikes that would otherwise stress winding insulation or cause electromagnetic interference in nearby control hardware. By inserting a fixed inductive reactance into each phase conductor, it reduces harmonic distortion and improves torque quality in automated machinery.
This model is built on a laminated core that measures 160 mm across the base and rises 280 mm to the top of the clamping plate. The active stack projects 168 mm from the mounting foot. Copper terminals accept 10 mm² conductors, matching typical cable gauges for medium-power drives. The choke is rated for a line voltage of 400 VAC and can carry a continuous load of 12 A without exceeding its thermal class. Its coil provides 0.766 mH of inductance, supplying the reactance needed to smooth current at fundamental and switching frequencies. A three-leg core supports a three-phase network, allowing magnetic flux to be distributed symmetrically. Under nominal load, the device introduces a controlled series impedance that results in a 20 % voltage drop, reducing voltage rise rates at the motor terminals while keeping power dissipation within acceptable limits.
The insulation system withstands a line-to-line voltage of up to 550 V, providing electrical headroom for systems that operate at higher supply voltages. The choke remains effective with carrier-based drives that modulate their output at frequencies up to 1600 Hz, allowing commutation pulses to be filtered at high switching speeds. Core and copper losses are limited to 35 W, so heat can be removed through natural convection in most enclosures. The assembly weighs 5.2 kg, allowing straightforward installation on suitable panel brackets without requiring heavy structural reinforcement.
