SKC3400220 Emerson AC Inverter Drive Motor Control | New Stock
Manufacturer: Emerson
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Part Number: SKC3400220
Condition：New with Original Package
Product Type: AC Inverter Drives
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson SKC3400220 Commander SK Series
The Emerson SKC3400220 serves as the primary SKC3400220 General-purpose AC inverter drive utilized to execute speed regulation and torque management across Commander SK Series platforms. The hardware processes a 3-phase 400 VAC input supply to deliver variable frequency output current up to 5.1 A for induction motor execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SKC3400220 |
| Brand | Emerson |
| Origin | Factory Standard |
| Weight | 1361 g |
| Dimensions | Factory Standard |
| Operating Temp | -10 to +40 deg C |
| Power Consumption | 2.2 kW (3 HP) Rated Power Output |
| Series | Commander SK Series |
| Type | General-purpose AC inverter drive |
| Input Voltage | 400 VAC, 3-phase |
| Input Frequency | 45-65 Hz |
| Output Voltage | 400 VAC, 3-phase (variable frequency) |
| Output Current | 5.1 A |
| Control Modes | V/f, Sensorless Vector Control |
| Braking Hardware | Integrated braking transistor |
| EMC Filtering | C3 industrial EMC filter |
| Storage Temp | -25 to +55 deg C |
| Protection Features | Overvoltage, undervoltage, overcurrent, short-circuit, thermal protection |
| Mounting | Panel or DIN-rail |
| Certifications | CE, UL, RoHS |
Industrial Control & Drive Communication Properties
The SKC3400220 variant architecture manages motor magnetic flux by executing deterministic V/Hz and field-oriented vector control profiles. Internal logic execution controls the gate firing sequence of the output inverter bridge, matching the dynamic torque requirements of the mechanical load. To prevent system data corruption or bus faults across Profinet / EtherNet/IP deterministic networks, the drive core incorporates a native C3 industrial EMC filter designed for high-frequency noise suppression and isolation of internal microcode execution from backplane electrical transients.
Frequently Asked Questions
Q: What are the installation constraints when utilizing the integrated braking transistor? A: The internal braking transistor manages energy dissipation during deceleration segments. For high-inertia mechanical cycles, an external braking resistor must be connected to the dedicated DC bus terminals to prevent DC link overvoltage trips.
Q: How does the drive maintain firmware flash compatibility during high-vibration operations? A: The internal control registers and flash memory cells are mounted on conformal-coated printed circuit board assemblies. This mechanical execution prevents contact oxidation and memory corruption under continuous vibration profiles ranging from 10 to 150 Hz.
Field Installation Guidelines
- Mounting Infrastructure: Anchor the drive housing vertically to a flat metallic panel backplate or snap securely onto a 35 mm DIN rail. Maintain a minimum clearance of 100 mm above and below the unit to ensure un-obstructed thermal dissipation.
- Power Cable Termination: Connect the 3-phase 400 VAC mains supply exclusively to the input terminals. Output lines to the induction motor must use shielded, symmetrical motor cables to suppress radiated electromagnetic interference.
- Grounding Framework: Establish a low-impedance connection by bonding the drive earth terminal to the central enclosure ground bar. Ensure the motor cable shield has 360-degree electrical contact with the metallic panel backplate using an conductive grounding clamp.
- Control Signal Isolation: Route all low-voltage analog and digital control wiring through separate wire ducts isolated from high-voltage AC power paths to eliminate induced electrical noise on the speed reference inputs.