178B8578 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT2807PT4B20SBR0DBF00A00C1
The Danfoss 178B8578 drive is part of the VLT 2800 Low Voltage Drives series and features a built-in display and IP20 protection rating. This three-phase drive has a bookstyle enclosure, supports 380-480V at 50/60Hz, and delivers 1.0 HP or 0.75kW of power. It is standard with brake hardware and is designed for process applications.
Internal Product Review
The 178B8578 is a Danfoss VLT 2800 low voltage drive with a 0.75 kW power rating and 3-phase input. The built-in SLCP display and standard brake configuration support straightforward setup and dependable process-focused operation. IP20 protection makes this unit a practical choice for enclosed industrial drive applications.
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Product Description:
The 178B8578 is a low-voltage AC variable frequency drive produced by Danfoss for the VLT 2800 Low Voltage Drives series. It regulates the speed of an induction motor, allowing motor torque and speed to follow the operating requirements of a connected machine. The drive is sized for small conveyors, pumps, mixers, and similar equipment used in general industrial automation. It is intended for panel mounting inside a suitable electrical enclosure with standard industrial power and control wiring.
The drive accepts a mains supply of 380–480 V ±10% at either 50 or 60 Hz. It uses a three-phase power input, allowing direct connection to common industrial feeders without an external transformer. Its continuous motor output is rated at 0.75 kW, with the inverter current limits and thermal capacity selected for this output level. The slim Bookstyle enclosure allows several drives to be installed in limited cabinet space while preserving the clearances needed for cooling airflow. The housing provides IP20 protection, which prevents accidental contact with hazardous internal parts but requires installation in a clean, closed electrical panel. Adequate cabinet ventilation must be maintained so heat can move away from the drive during continuous operation.
Dynamic deceleration is supported by the standard configuration with a brake, which allows regenerated energy to be directed through suitable braking components. Operating values and drive settings are accessed through the front-mounted built-in display (SLCP), so a separate keypad is not required for local operation. Control connections are hardwired because the unit does not include an application option or a fieldbus option. The drive has no EMC filter, so any required radio-frequency interference suppression must be provided elsewhere in the installation. A conformal coating protects the circuit boards from airborne moisture and dust that could otherwise collect on electronic components. The unit is configured for process duties within the VLT product group, including speed-controlled operation of pumps, conveyors, and mixers.
