Selec VFD-L-1 Variable Frequency Drive
Selec VFD-L AC Drive – 1HP (0.75kW), 1-Phase 230V | VFD-L-1-010-230V
Compact V/F control AC drive with PI control, 150% overload capacity, RS485 Modbus, 4 digital inputs, dual analog inputs, adjustable carrier frequency, skip frequency, and soft start/stop profiles—ideal for pumps, fans, and conveyor applications.
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The Selec VFD-L Series AC Drive is a compact and economical motor control solution designed for 1-phase 230V motors up to 1 HP. Featuring V/F scalar control, PI regulation, 150% overload capacity, skip-frequency filtering, RS485 Modbus RTU communication, multifunction digital inputs, and dual analog inputs, it is suitable for fans, pumps, conveyors, and general-purpose industrial machinery.
Key Features
Space Vector PWM–based V/F control for smooth operation
150% overload capacity (1 min), 180% for 10 sec, 200% for 1 sec
Built-in PI controller for pressure/flow control applications
0.1–400 Hz output frequency range
RS485 Modbus RTU communication support
Analog Inputs: 0–10V, 0–20mA, or 4–20mA selectable
4 Programmable Digital Inputs (PNP/NPN mode selectable)
Adjustable carrier frequency: 2–10 kHz
DC braking and skip-frequency zones for vibration reduction
Potentiometer on keypad for manual frequency setting
Over-voltage, under-voltage, overload, under-current, over-current & short-circuit protection
IP20 protection, –10°C to +55°C operating range
Technical Specifications
Electrical Ratings
| Parameter | Specification |
|---|---|
| Model | VFD-L-1-010-230V |
| Motor Rating | 1 HP / 0.75 kW |
| Input Supply | 1-Phase 230VAC, 50/60 Hz |
| Voltage Tolerance | ±15% (195–265 V) |
| Frequency Tolerance | ±5% (47–63 Hz) |
| Output Current | 5A |
| Output Frequency | 0.1–400 Hz |
| Carrier Frequency | 2–10 kHz |
Control Characteristics
| Feature | Specification |
|---|---|
| Control Mode | Space Vector PWM–based V/F scalar |
| Frequency Resolution | 0.1 Hz |
| Overload Rating | 150% (1 min), 180% (10 s), 200% (1 s) |
| Accel/Decel Time | 0.1–999.9 sec (4 sets) |
| Skip Frequency | 2 bands |
| DC Injection Braking | Up to 150% of rated current |
| V/F Modes | 4 preset + 1 user-defined |
I/O Details
| Type | Specification |
|---|---|
| Digital Inputs | 4 × DI (PNP/NPN, X1–X4) |
| Analog Inputs | AI1: 0–10V; AI2: 0–10V or 0–20mA/4–20mA |
| Relay Output | 1 NO/NC (5A, 250VAC) |
| Communication | RS485 Modbus RTU |
Environmental Conditions
| Parameter | Specification |
|---|---|
| Protection Level | IP20 |
| Ambient Working Temp | –10°C to +55°C |
| Storage Temp | –20°C to +60°C |
| Humidity | <90% (non-condensing) |
| Vibration | <5.9 m/s² (0.6g) |
Applications
Pumps (water, dosing, booster)
Fans, blowers, ventilation systems
Conveyors & material handling
Food & beverage packaging machinery
General small-machine automation
What’s in the Box?
Selec VFD-L Drive Unit
Mounting hardware
User manual
Warranty card
FAQs
Q1. Is the VFD-L suitable for 1-phase input only?
Yes, VFD-L is designed for single-phase 230V input only (as per the model description).
Q2. Does it support 4–20 mA control?
Yes, AI2 supports 0–20 mA / 4–20 mA selection.
Q3. What overload capacity is available?
150% for 1 minute, 180% for 10 seconds, and 200% for 1 second.
Q4. Is RS485 Modbus available?
Yes, full Modbus RTU support is included.
Q5. How many digital inputs are available?
Four (X1–X4), programmable for RUN/STOP/FWD/REV/JOG.
Q6. What protections are provided?
Over-voltage, under-voltage, overload, over-current, under-current, over-temperature, and short-circuit.