178B2376
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MPN: FCD305PT4P66EXR1D0F12T51C0
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In-Stock, Ships 1-2 Days
The 178B2376 is a micro drive manufactured by Danfoss. As part of the FCD 300 Micro Drives series, it features a 0.55 kW power rating and operates on a three-phase mains voltage of 380-480V at 50/60Hz. The drive has an enclosure class of IP66. Its dimensions are 300mm x 192mm x 145mm, and it weighs 5.8 kg.
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Product Description:
The 178B2376 belongs from the micro drive series of Danfoss with specific product code FCD305PT4P66EXR1D0F12T51C0. It is designed for industrial motor control with a required voltage range of 3 x 380 V to 480 V, 50/60 Hz. This drive supports a maximum output power of 1.20 kVA along with 1.80 A current.
The 178B2376 drive features communication interfaces like RS485, PROFIBUS and 12Mb for remote control and data exchange. Its configuration options include both open-loop and closed-loop speed regulation that allows users to adjust motor performance based on specific needs. The unit’s torque characteristics are customizable with settings for constant torque, variable torque (low, medium, high) and special motor modes. It also includes a feature for auto motor tuning that optimizes the drive for specific motor types. This 178B drive is capable of 0.550 kW typical shaft power output and it draws 2.60 A of maximum current for a short duration of 60 sec, while provides 96% of efficiency. It allows precise ramp-up and ramp-down adjustments, with times ranging from 0.020 sec to 3600 sec and its ramp type can be selected as linear, sinusoidal or Sin² that enables smooth acceleration/deceleration profiles for various applications. The unit’s output frequency lower limit can be set from 0.0 Hz to 132 Hz, while the high limit is adjustable from 0.0 Hz to 132 Hz or 1000 Hz, depending on the configuration.
The 178B2376 drive dissipates 29.0 W of power at full load and uses 25.0 A of pre-fuse. Its motor protection features include thermal overload protection, with adjustable parameters for overload limits, while it also offers both thermistor and electronic thermal relay (ETR) protection that are configurable with settings for trip or warning alerts when the power module temperature exceeds 100°C. The unit weighs 5.8 kg and it comes in a NEMA 4 enclosure.
Frequently Asked Questions about 178B2376:
Q: What is the benefit of having adjustable output frequency limits up to 1000 Hz in the product code FCD305PT4P66EXR1D0F12T51C0?
A: It allows the drive to control specialized high-speed motors. This flexibility supports applications requiring extended speed ranges without compromising stability.
Q: How do RS485 and PROFIBUS interfaces help in the 178B2376 drive?
A: They enable seamless integration into automation networks. This supports remote monitoring, quick parameter changes, and reduced downtime in industrial setups.
Q: Why does the 178B2376 drive include both thermistor and electronic thermal relay (ETR) protection?
A: The use of both methods ensures redundant safety for the motor and drive. It prevents overheating damage while providing early warnings for corrective action.
Q: What role does adjustable overload protection play in the 178B2376 drive?
A: It allows operators to set safe current thresholds specific to the motor. This protects equipment from unexpected surges while avoiding unnecessary trips.
Q: Why is the pre-fuse rating of 25 A necessary in this drive model?
A: The pre-fuse protects the drive from short-circuit conditions. It ensures system safety by limiting fault current during abnormal events.
