Description

FC36MV 415V High Power 3-Phase Dual Mode Thyristor Driver (c/w DIN Housing)

The FC36MV 415V Dual Mode Firing Board (c/w DIN Housing) is a high-performance, microprocessor-based three-phase thyristor driver designed for accurate and reliable SCR (Silicon Controlled Rectifier) control in demanding industrial power control systems. Supplied complete with a DIN rail mounting enclosure, it provides a robust and compact solution for OEMs, panel builders, and industrial automation applications requiring straightforward installation and dependable performance.

Configured for 415V AC operation, the FC36MV supports phase-angle, burst-fire, and combination firing modes, allowing precise control of both resistive and inductive loads. Advanced features including automatic phase rotation correction, phase-loss detection, opto-isolated control inputs, adjustable soft-start ramp control, and integrated over-current protection ensure reliable operation in high-power industrial environments while eliminating the need for external phasing transformers.

Key Features

The FC36MV 415V High Power Three-Phase Thyristor Driver combines advanced SCR firing technology with intelligent protection features and a DIN rail enclosure for quick installation and long-term reliability.

• 415V AC supply version
• Supplied complete with DIN rail mounting housing
• Microprocessor-based high-power three-phase thyristor driver
• Auto phase rotation correction and phase-loss detection
• Switch-selectable phase reversal
• Supports Phase Angle, Burst Fire and Combination firing modes
• Opto-isolated analogue and digital control inputs
• Suitable for resistive and inductive loads
• Adjustable soft-start ramp (0–30 seconds)
• Current limit and over-current protection
• LED status indicators for system monitoring
• Simplified wiring without external phasing transformers

Technical Specifications

• Supply Voltage: 415V AC ±10%
• Frequency: 50/60Hz
• Controller Type: Microprocessor-based high-power three-phase thyristor driver
• Operating Modes: Phase Angle, Burst Fire or Combination firing
• Primary Fusing: Three HRC F1A ceramic fuses (20 × 5mm)
• Current Consumption: 650mA (full conduction)
• Initial Short-Circuit Gate Current: 750mA
• Sustaining Short-Circuit Gate Current: 400mA
• Initial Pulse Voltage: 9V
• Sustaining Pulse Voltage: 5V
• Pulse Train Frequency: 25kHz
• Voltage Control Inputs: 0–5V DC or 0–10V DC
• Input Resistance: 10kΩ / 20kΩ
• Current Control Input: 4–20mA
• Current Input Resistance: 270Ω
• Opto-Isolated Digital Inputs: 5–24V DC
• Ramp Adjustment: Adjustable from 0–30 seconds
• Current Limit / Over-Current Trip: 0–5V DC
• Load Selection: Resistive or Inductive (SW4 selectable)
• Operating Temperature: 0°C to +65°C
• Storage Temperature: 0°C to +65°C
• PCB Dimensions: 203mm (L) × 108mm (W) × 40mm (H)
• PCB Fixing Holes: 6 × M3.5 mounting holes
• PCB Fixing Centres: Two rows spaced 75mm apart with 96.5mm between mounting holes
• DIN Rail Enclosure: Supplied complete with DIN housing
• DIN Enclosure Dimensions: 207mm (L) × 128mm (W) × 70mm (H)

Operation

The FC36MV firing board generates highly accurate gate firing pulses for three-phase SCR power controllers used in demanding industrial applications. Users can select between phase-angle, burst-fire, or combination firing modes depending on the power control requirements of the application.

The controller accepts analogue voltage, current, and opto-isolated digital control signals while providing automatic phase rotation correction and phase-loss detection to ensure reliable operation. The adjustable soft-start ramp minimises electrical stress during start-up, while integrated over-current protection helps safeguard both the firing board and connected SCR assemblies.

Selectable load configuration allows operation with both resistive and inductive loads, making the FC36MV suitable for a wide variety of industrial power control systems.

Applications

The FC36MV 415V High Power Thyristor Driver is ideal for:

• High-power three-phase SCR power controllers
• Industrial power supplies
• Half-controlled rectifiers
• Fully controlled rectifiers
• Furnace control systems
• Electroplating equipment
• Transformer management systems
• AC motor control
• DC motor control
• Soft starter systems
• Industrial heater controllers
• Industrial process automation
• Power conversion equipment
• Manufacturing machinery

Benefits

• Precise SCR firing for demanding industrial applications
• Supports phase-angle, burst-fire and combination control modes
• DIN rail housing simplifies installation and panel integration
• Automatic phase rotation correction reduces commissioning time
• Phase-loss detection improves system reliability
• Eliminates the need for external phasing transformers
• Compatible with analogue and digital control signals
• Adjustable soft-start reduces electrical and mechanical stress
• Built-in over-current protection enhances equipment safety
• Suitable for both resistive and inductive load applications
• Reliable microprocessor-based operation for long service life

Safety & Installation

Installation should only be carried out by suitably qualified personnel.

Always isolate all electrical supplies before installation or maintenance. Ensure the correct 415V AC supply version is used for the intended application. Mount the supplied DIN rail enclosure securely onto a standard DIN rail within an electrical control panel.

Configure the required firing mode, load type and control inputs before commissioning. Fit suitable external circuit protection in accordance with local electrical regulations and ensure adequate enclosure ventilation. Operate the controller only within the specified operating temperature range.