Variateur de base HVAC VLT Danfoss FC111P37KT4

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Fabricant : Danfoss
N° de produit : FC111P37KT4
Pays d'origine :États-Unis
Type de produit : Vlt HVAC Variateur de Base
Paiement : Virement bancaire, Western Union
Poids : 500g
Port d'expédition : Xiamen
Garantie : 12 mois

Description

The Danfoss FC111P37KT4 is a high-performance VLT HVAC Basic Drive engineered to optimize energy efficiency in ventilation, heating, and air conditioning applications. Rated for a typical shaft output of 37.0 kW (40.0 hp), this variable frequency drive provides precise motor speed control, effectively reducing operational costs and extending the lifespan of mechanical equipment in HVAC systems.

This VLT HVAC Basic Drive is designed for robustness and reliability in demanding industrial environments. With an IP20 protection rating, it is built to operate within a wide range of input voltages (3x380–480 V) while maintaining high efficiency—up to 97.7% in typical operating conditions. The unit includes advanced current management capabilities to handle both continuous and intermittent loads, ensuring stable performance at varying ambient temperatures.

Features

Optimized for HVAC fan and pump applications
High operational efficiency up to 97.7%
Dual voltage and current ratings for flexible application (380–440 V and 441–480 V)
Supports ambient temperatures up to 50 degC with derated output
Compact IP20 enclosure design
Designed for standard industrial motor control

Applications

Commercial and industrial HVAC systems
Variable air volume (VAV) systems
Cooling tower fans
Centrifugal pump control
Air handling units

Technical Specifications

Feature	Specification
Manufacturer	Danfoss
Model	FC111P37KT4
Product Type	VLT HVAC Basic Drive
Typical Shaft Output	37.0 kW (40.0 hp)
Enclosure Rating	IP20
Efficiency	97.7 %
Power Loss (Typical)	922 W
Max. Cable Size (Mains/Motor)	35 mm2 (2 AWG)
Weight	24.5 kg (54 lb)

Output Performance (at 40 degC ambient):

Voltage Range	Continuous Current	Intermittent Current
3x380–440 V	73.0 A	80.3 A
3x441–480 V	65.0 A	71.5 A

Output Performance (at 50 degC ambient):

Voltage Range	Continuous Current	Intermittent Current
3x380–440 V	58.4 A	64.2 A
3x441–480 V	52.0 A	57.2 A

Installation Guidelines

Ventilation: Due to the 922 W power loss, ensure adequate cabinet ventilation or cooling to prevent overheating, especially when operating near the 50 degC ambient limit.
Cabling: Use shielded cables for motor connections to minimize electromagnetic interference (EMI). Ensure terminals are tightened to accommodate up to 35 mm2 (2 AWG) wire size.
Grounding: Proper earthing of the drive frame is essential for safety and to comply with electromagnetic compatibility (EMC) standards.
Clearance: Maintain the recommended clearance distances around the drive as specified in the manual to ensure optimal airflow through the heat sink.

Key Features:

#Danfoss #VLT HVAC Basic Drives

What is the typical power output of the FC111P37KT4 drive?

The typical shaft output is 37.0 kW or 40.0 hp.

How does the ambient temperature affect the output current?

The drive provides full rated current at 40 degC. At 50 degC ambient temperature, the output current is derated (e.g., to 58.4 A for the 380–440 V range) to ensure reliable operation.

What is the IP rating for this HVAC drive?

This model is rated IP20, suitable for mounting within an electrical cabinet.

What is the maximum cable size compatible with this unit?

The mains and motor terminals accept a maximum cable size of 35 mm2 (2 AWG).

Expédition express mondiale

Livraison standard : 4 à 6 jours ouvrables via DHL, FedEx et UPS.
Expédition express : Expédition le jour même pour les commandes en stock passées avant 14h00 (GMT+8).
Couverture mondiale : Service dans plus de 150 pays, avec livraison rapide en Arabie Saoudite et aux Émirats arabes unis.

Retours et garantie

Garantie de 30 jours : Retours acceptés pour les produits en stock dans leur emballage d’origine scellé en usine.
Garantie de 12 mois : Chaque composant industriel est couvert par notre garantie technique professionnelle.

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