Selec APFC346 Automatic Power Factor Controller – 8 Stage, 96x96mm
Selec APFC346 Power Factor Controller, 8 Stages, 1-CT Sensing
8-stage automatic power factor controller with 1-CT sensing, zero programming, intelligent switching, and wide input voltage range (50–520V AC).
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The Selec APFC346 is an intelligent 8-stage automatic power factor controller designed for industrial APFC panels. It features 1-CT sensing, zero programming, a bright 4-digit LED display, and an advanced switching algorithm for optimal capacitor bank management.
KEY FEATURES
1-CT sensing (nominal 5A CT)
Zero-programming commissioning
8 relay stages for capacitor bank switching
Wide input voltage: 50–520V AC
Intelligent switching algorithm
4-digit LED display (single row)
Alarm indications for system faults
Automatic switching program
CE & RoHS certified
TECHNICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Display Type | LCD with backlight |
| Digits | 4-digit LED display |
| Rated Input Voltage | 50 to 520V AC |
| Rated Input Current | 5A nominal (min 50mA, max 6A) |
| Frequency | 45–65 Hz |
| Sensing Type | 1 CT (L1), 2-wire voltage (L2, L3) |
| Number of Stages | 1 to 8 |
| Switching Program | Automatic |
| Power Consumption | 7 VA max |
| Target PF Range | –0.800 to +0.800 |
| Output Contacts | NO, one common |
| Relay Contact | 5A at 250V AC max |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | –20°C to 60°C |
| Humidity | 0–95% non-condensing |
| Mounting | Panel mount |
| Weight | 263 g |
APPLICATIONS
APFC panels for industrial loads
Commercial buildings & distribution boards
HVAC systems and motors
Capacitor bank automation
Energy optimization and PF improvement
WHAT’S IN THE BOX
Selec APFC346 Controller
Mounting accessories
User manual
FAQ
Q1. Does APFC346 support 1-CT sensing?
Yes, it operates on single-CT sensing.
Q2. How many capacitor stages does it support?
It supports 1 to 8 stages.
Q3. What is the required input voltage?
50–520V AC.
Q4. Does it have alarm indications?
Yes—indicated on the front display.
Q5. What is the relay output rating?
5A at 250V AC maximum.