28.E4.T60-1051 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 28.E4.T60-1051 is part of the Combiline EMC Filters series and has a rated current of 410 Amps with a maximum input voltage of 528 VAC. This filter features a power dissipation of 50 Watts, a leakage current of 60 mA, and supports a maximum ambient temperature of 45 degrees Celsius. With dimensions of 385 mm in height, 260 mm in width, and 115 mm in depth, it weighs 18.5 kilograms.
Internal Product Review
The 28.E4.T60-1051 is a KEB Combiline EMC filter well suited for high-capacity industrial drive applications. EMC Class C2 compliance and a 528 VAC maximum input voltage support clean integration and dependable line conditioning. A 410 A rated current stands out as a strong advantage for heavy-duty service.
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Product Description:
The 28.E4.T60-1051 electromagnetic compatibility line filter produced by KEB belongs to the Combiline EMC Filters series. It is installed between an inverter and the mains supply to attenuate high-frequency noise generated by switching devices, helping industrial drive systems meet conducted emission limits. In automated cells, the filter shields neighboring control hardware from interference, so PLC I/O, sensors, and communication buses can maintain deterministic behavior even when high-power motors cycle on and off.
The filter carries a continuous load of 410 A, so drives that draw this current will remain within its thermal margin. A maximum phase-to-phase input voltage of 528 VAC permits connection to common 480 V networks with allowance for line tolerance. Its design operates at a mains frequency of 50/60 Hz, allowing identical performance on both European and North American grids. Copper inductors inside the enclosure present only 0.001 Ω/phase of series resistance, keeping voltage drop negligible and preventing unwanted heating. The unit meets EMC category C2, indicating suitability for industrial environments powered from a public low-voltage supply when it is installed at the machine boundary.
The filter has a continuous power loss of 50 W, so enclosure ventilation must remove this heat to keep internal temperatures below the stated 45 °C ambient limit. Dielectric integrity is proven by a phase-to-protective-earth test voltage of 2700 VDC, indicating adequate clearance and creepage distances for overvoltage events. When used with motor leads up to 30 m in length, the filter maintains attenuation without resonance that could stress inverter transistors. Mechanical installation accounts for its 18.5 kg mass, 385 mm height, 260 mm width, and 115 mm depth, dimensions that fit typical cabinet backplates while leaving space for adjacent contactors and breakers.
