177U9546 Danfoss
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MPN: S102020T4V013CCN2XXSXXZ2XGXXXXXXXXXXXXXX
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The Danfoss 177U9546 belongs to the VLT FC 102 HVAC Drives series and features a 20 HP motor with an input voltage of 460 V. This drive is housed in a NEMA 1 vertical enclosure and is equipped with a 3 contactor bypass. It has a short circuit rating of 100 kA SCCR and includes a standard RFI filter.
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Product Description:
The 177U9546 Variable Frequency Drive is produced by Danfoss. The device is developed for working in different industrial automation tasks. It operates with a 3-phase input voltage of 480 VAC at a frequency of 60 Hz. The drive manages an input current of 27 A with balanced power regulation. It delivers a three-phase output voltage range from 0 to 460 VAC.
The 177U9546 frequency drive supports an output current rated at 27 A that matches input capacity for stable operation. The drive supports output frequency from 0 to 60 Hz for speed control. Rated motor power is 20 HP for medium-scale HVAC or industrial systems. It carries a short circuit current rating of 100 kA rms symmetrical. This ensures safe handling of fault conditions at rated input voltage. The frame size for the 177U9546 frequency drive is classified as P2. It is manufactured with Tier 2 specifications for system compatibility. The input terminals L1, L2, L3, and Ground require 40 lb-in torque. The output terminals T1, T2, and T3 require 24 lb-in torque. The dedicated ground terminals are provided for electrical safety and protection. The recommended fuse protection is JJS-40 type for reliable fault isolation. An alternate protection option includes the Bussmann FWH-020A6F, rated at 20 A.
The operating temperature range of 177U9546 frequency drive is -10 °C to 40 °C for dependable function. The drive maintains performance at altitudes up to 1000 m without derating. The vibration compliance follows IEC 60068-2-6 standards for industrial settings. The conformal coating is available for additional circuit protection against contaminants. The copper conductors rated 60 °C are mandatory for wiring connections. The unit is built with a UL Type 1 enclosure rating. The encoder feedback is supported with incremental encoders for speed regulation.
