177U9623

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The Danfoss 177U9623 is part of the VLT FC 102 HVAC Drives series and delivers 30 horsepower with a 460 V AC input voltage. The drive features a NEMA 1 vertical enclosure type and includes a main circuit breaker. It has a short circuit current rating of 100 kA SCCR and supports an output frequency of 3-phase, 0-60 Hz.

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Product Description:

The 177U9623 Frequency Converter is designed by Danfoss for industrial automation applications. It operates at a 30 HP power rating and offers a versatile voltage range. This unit is built to withstand challenging environments with reliable protection features.

The 177U9623 frequency converter offers robust power conversion with an input power of 3 phase, 460 VAC at 60 Hz and 40 A. The output is 3 phase, 0 - 460 VAC at 0 - 60 Hz with a 40 A rating. This ensures reliable operation in a variety of industrial applications. It has a power rating of 30 HP (22 kW). The converter has a short circuit rating of 100 kA RMS symmetrical at the rated input voltage max that provides high fault tolerance. The environmental rating for the converter is Type 1. This indicates it is suitable for indoor or general purpose environments. The converter operates within a wide temperature range with a maximum ambient temperature of + 40 °C (104 °F) and a minimum of – 10 °C (14 °F). The converter has L1, L2 and L3 input power terminals which require a tightening torque of 45 lb-in (5 Nm). The output power terminals T1, T2 and T3 need a tightening torque of 50 lb-in (5.6 Nm). The ground (GND) terminal requires a torque of 40 lb-in (4.5 Nm).

The control panel of the 177U9623 frequency converter is equipped with a digital keypad and multiple buttons that allows easy operation. Key buttons include Status, Quick Menu, Main Menu, Alarm Log, Back, Cancel, Info, On/Off, Warn/Alarm and Hand On/Auto On/Reset. The LCD display of the model provides real time feedback and monitoring of the system’s status and settings.

Brake Chopper
None
Bypass Type
3 Contactor Bypass
Electro-mechanical Bypass
EMB2
Enclosure Type
Nema 1 - Vertical
Frame Size
P3
Frequency
60 Hz
Horsepower
30 HP
Input Current (normal Overload)
40.6 A
Input Voltage
460 V AC
Main Circuit Breaker
Included
Motor Fla Rating
40 A
Output Frequency
3ph, 0-60 Hz
Reactor/filter
None
Short Circuit Current Rating
100 kA SCCR

Frequently Asked Questions about 177U9623:

Q: How does the Danfoss 177U9623 maintain reliable motor performance in automation systems?

A: The unit provides 3-phase 0–460 VAC output at 0–60 Hz. With a 40 A rating, it ensures steady torque delivery under dynamic load variations.

Q: What operational resilience does the 177U9623 frequency converter provide during fault conditions?

A: It carries a short circuit rating of 100 kA RMS symmetrical. This high tolerance secures drive reliability and protection in demanding industrial power environments.

Q: How does the Danfoss 177U9623 address installation needs in industrial environments?

A: The input terminals L1, L2, and L3 require 45 lb-in torque. Output terminals T1, T2, T3 need 50 lb-in, ensuring secure and safe connections.

Q: How does the 177U9623 converter optimize system control and monitoring in real applications?

A: It includes a digital keypad with Status, Quick Menu, and Alarm Log. The LCD display provides real-time operating data, simplifying adjustments during active use.

Q: What environmental operating conditions can the Danfoss 177U9623 withstand?

A: The converter operates between –10 °C and +40 °C ambient. Its Type 1 rating supports indoor industrial use with consistent protection against standard conditions.


Internal Product Review

  • ‘‘The Danfoss 177U9623 Frequency Converter offers a 30 HP power rating for industrial automation. It supports three-phase 460 VAC input, Type 1 protection, and a digital keypad with LCD display for efficient control. This durable unit is widely used in manufacturing and automation systems requiring reliable motor control.’’

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