178B3811 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT6062GT4CN1STR0DLF40A00C0
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The Danfoss 178B3811 is an HVAC drive from the VLT 6000 HVAC Drives series with a power rating of 45 kW or 60 HP and operates at 380-460 VAC. It features a compact NEMA 1 enclosure, includes an LCP display, and supports LonWorks free topology fieldbus. The drive is a standard unit without conformal coating or RFI filter.
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Product Description:
The 178B3811 is an AC variable-speed drive manufactured by Danfoss and included in the VLT 6000 HVAC Drives series. Designed for heating, ventilation, and air-conditioning systems, the unit modulates induction-motor frequency to maintain airflow, water flow, or pressure in building automation applications. Adjusting motor speed instead of relying on throttling devices can reduce energy consumption and mechanical stress in air-handling units, chillers, and pump groups. The drive integrates into control panels where available space and compliance with commercial electrical codes are important considerations.
Its input section accepts a three-phase supply ranging from 380 to 460 VAC, allowing direct connection to common commercial power systems. The inverter can provide up to 45 kW or 60 HP of continuous mechanical output for medium-sized fans and pumps. A Compact NEMA 1 housing provides basic protection against accidental contact and is suitable for clean indoor environments. Networked supervision is available through the embedded LonWorks free-topology interface, allowing a building control system to issue operating commands and collect status data over a single twisted pair. Local setup and monitoring are handled through an included LCP (Local Control Panel), which displays operating parameters, status information, and alarms without requiring separate equipment. The drive has no radio-frequency interference filter, making it appropriate for installations where the required interference control is provided elsewhere in the electrical system.
The drive is configured as a standard unit, with no factory-installed enhancements that alter its normal thermal or electrical characteristics. It uses uncoated circuit boards, so the enclosure should remain in a low-humidity location that is free from corrosive gases and conductive contamination. The intended service-area designation is Graham, which identifies the assigned regional configuration for this model. Additional input/output cards and braking modules are not included with the unit. Its HVAC-focused control supports variable-speed operation for fans, pumps, and related building systems while maintaining communication with compatible supervisory controls.
