175Z4188 Danfoss
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The 175Z4188 is a compact frequency converter with a power rating of 37 kW and IP20 enclosure class. Manufactured by Danfoss as part of the VLT 5000 Frequency Converters series, it supports three-phase operation and a mains voltage of 380-500/460-500V AC. This model features a Local Control Panel for operation.
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Product Description:
The 175Z4188 is an industrial grade adjustable drive from Danfoss that operates on a 3-phase supply of 380 to 500 V ±10% at 48 to 62 Hz frequency. Its maximum short circuit withstanding capability is specified as 100000 A and its output frequency range extends from 0 to 132 hertz in standard mode, up to 1000 hertz.
The 175Z4188 drive features indefinite switching on the output and its control resolution is ±0.003 Hz on frequency, while its system response time is 3 msec. It provides 160% of starting up torque for 60 sec and it can facilitate up to 180% of torque for 0.5 sec. The unit’s acceleration torque is 100% of motor rated torque and it offers overload torque of 160% in high overload class, while 110% in normal overload. Its closed loop control maintains 100% torque at zero speed. The 175Z4188 drive is composed of eight digital inputs that are programmable and operates at 0 to 24 V DC. It also includes two analog voltage inputs with a range of ±10 V and 10000 Ohm resistance. The encoder and pulse inputs are accepted with frequencies up to 20000 Hz on open collector and up to 65000 Hz on push pull signals. Two outputs are configurable for digital/analog signals and its relay outputs are rated up to 250 V AC for a load capacity of 2 A at its NO/NC points.
The 175Z4188 drive supports screened motor cable lengths of up to 150 meters and unscreened cable lengths up to 300 meters. Its environmental specifications include enclosures of chassis, NEMA 1/NEMA 12 and its protective functions cover electronic thermal motor protection as well as heat sink over temperature cut out. The drive’s EMC compliance meets EN 61000 and IEC standards with immunity to surge, burst and static discharge.
