Delta Electronics VFD450C43A C2000 Series Variable Frequency Drive

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Manufacturer: Delta Electronics
Product No.: VFD450C43A
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 500g
Dimensions: 275 mm x 330 mm x 275 mm
Shipping port: Xiamen
Warranty: 12 months

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Description

Optimized for high-performance field-oriented control in demanding automation environments, the Delta Electronics VFD450C43A functions as a highly adaptable 3-phase AC motor drive within the C2000 Series. This variable frequency drive supports both induction and permanent magnet motors, featuring a dual-rating design that allows seamless transitions between Normal Duty (ND) and Heavy Duty (HD) profiles. Engineered with integrated PLC capabilities and modular expansion options, it delivers precise speed, torque, and position control for sophisticated industrial machinery.

Features

Dual-Rating Capability: Easily configured for Normal Duty (45 kW / 60 HP) or Heavy Duty (37 kW / 50 HP) operation based on application dynamics.
Advanced FOC Control: High-bandwidth field-oriented control ensures rapid torque response and exceptional low-speed stability.
Built-In Logical Control: Features an integrated PLC for executing localized logic routines without requiring external microcontrollers.
Robust Harmonics Mitigation: Built-in DC reactor significantly reduces mains-borne harmonic distortion and stabilizes DC bus voltage.
Flexible Communication: Native MODBUS protocol support, expandable with optional fieldbus modules for high-speed network integration.

Applications

Heavy-duty hoisting, crane trolley movements, and winching mechanisms.
High-capacity extrusion lines, plastic molding machinery, and chemical mixers.
Municipal water distribution pumps and large-scale HVAC air handling units.
Industrial manufacturing conveyors and automated material handling systems.

Technical Specifications

Parameter	Normal Duty (ND) Specification	Heavy Duty (HD) Specification
Applicable Motor Output	45 kW (60 HP)	37 kW (50 HP)
Rated Output Current	91 A	86 A
Rated Output Capacity	73 kVA	69 kVA
Max Output Frequency	0.00 to 599.00 Hz	0.00 to 300.00 Hz
Carrier Frequency	2 to 10 kHz (Default: 6 kHz)	2 to 6 kHz (Default: 2 kHz)
Input Voltage / Phase	3-Phase, 380 to 480 VAC (50/60 Hz)
Cooling Method	Forced Air Cooling
Enclosure Rating	IP20 / UL Type 1
Dimensions (W x H x D)	275 mm x 330 mm x 275 mm
Net Weight	27.0 kg
Shipping Weight (Calculated)	28.0 kg

Connections and Interfaces

Terminal / Port	Function Description
R/L1, S/L2, T/L3	3-Phase AC mains power input connections
U/T1, V/T2, W/T3	3-Phase AC output connection to the motor
+1, +2	External DC reactor connection point (jumpered by default)
RE/PE	Dedicated low-impedance ground safety earth connection
Control Terminals	Analog inputs/outputs, digital inputs, relay outputs, and RJ-45 MODBUS interface

Alternative Models & Compatibility

When transitioning from legacy Delta legacy drives such as the VFD-F or VFD-B series, ensure that you map control terminal parameters to the new C2000 environment. While physical footprint variances are minimal for Frame C, check your cabinet depth clearance since the integrated DC reactor structure modifies the overall chassis projection slightly compared to older models.

Application Pitfalls & Engineering Notes

Operating at elevated carrier frequencies (above 6 kHz in Normal Duty or above 2 kHz in Heavy Duty) yields lower motor acoustic noise but increases thermal losses in the drive's output IGBT bridge. In hot enclosure environments exceeding 40 degC, you must apply appropriate current de-rating curves to prevent premature over-temperature faults (oH1/oH2). Additionally, dynamic braking applications with heavy duty cycles require a correctly sized external dynamic braking unit (DBU) and resistor network.

Commissioning & Wiring Tips

To prevent electromagnetic interference (EMI) from disrupting nearby instrumentation, utilize symmetrical shielded motor cabling and ground the shield at both the drive plate and motor junction box. Ensure the control terminal shield is grounded strictly at the drive end. Before operating permanent magnet motors, complete a full rotational or stationary auto-tune procedure using the digital keypad to map stator resistance and inductance metrics accurately.

Installation Guidelines

CRITICAL WARNING: Hazardous residual voltage remains stored in the internal DC bus capacitors even after mains power is disconnected. Prior to starting any wiring work or maintenance inside the chassis, disconnect all incoming power supplies and wait a minimum of 10 minutes. Use a reliable digital multimeter to verify that the DC bus voltage across terminals (+1 and -) has dropped below 36 VDC.

Mount the drive vertically on a flat, non-flammable surface to allow unhindered vertical convective cooling airflow through the heatsink fin assembly.

Connect the safety protective earth (PE) conductor to the designated chassis grounding terminal prior to running power and control wiring.

Verify proper phase torque settings on the primary power terminals (R/L1, S/L2, T/L3) and the motor connection terminals (U/T1, V/T2, W/T3) to prevent loose-connection hot spots.

Key Features:

#Delta C2000 Series #Variable Frequency Drives

What is the primary difference between Normal Duty and Heavy Duty on this drive?

Normal Duty (ND) is rated for 45 kW (60 HP) with a max carrier frequency of 10 kHz, while Heavy Duty (HD) is configured for 37 kW (50 HP) with a carrier frequency capped at 6 kHz, offering higher overload tolerance for high-torque startups.

Can this unit control permanent magnet (PM) motors?

Yes. This drive features advanced field-oriented control (FOC) algorithms supporting both induction and permanent magnet synchronous motors (PMSM) via standard open-loop or closed-loop feedback interfaces.

What should I do if the drive triggers an oH1 fault?

Check for airflow obstructions through the heatsink, ensure the internal cooling fan is running properly, and verify that the ambient enclosure temperature has not exceeded 40 degC. Consider dropping the carrier frequency parameter to reduce internal IGBT thermal load.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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Technical knowledge

$Math Operations Using OpenPLC for Industrial Automation Applications$

Delta Electronics VFD450C43A C2000 Series Variable Frequency Drive