Description

FC36M Dual Mode Firing Board 110V (c/w DIN Housing) | 3-Phase Dual Mode Thyristor Driver

The FC36M Dual Mode Firing Board 110V (complete with DIN housing) is a microprocessor-based three-phase thyristor driver designed for accurate SCR (thyristor) control in industrial power control systems. Supplied in a robust DIN rail enclosure, it is ready for straightforward installation into electrical control panels, making it ideal for OEMs, panel builders, and industrial automation applications.

Supporting both phase-angle and burst-fire firing modes, the FC36M provides flexible control for resistive and inductive loads. The 110V version features opto-isolated analogue and digital inputs, adjustable ramp control, current limit and over-current protection, LED status indicators, and an RJ45 communications port, delivering reliable and precise power management for demanding industrial environments.

Key Features

The FC36M 110V Dual Mode Firing Board with DIN Housing combines advanced SCR firing technology with a durable DIN rail enclosure for simple installation and long-term reliability.

• 110V AC supply version
• Supplied complete with DIN rail enclosure
• Microprocessor-based three-phase thyristor driver
• Dual operating modes: Phase Angle and Burst Fire
• Switch-selectable phase reversal
• Suitable for resistive and inductive loads
• Analogue and digital opto-isolated control inputs
• Adjustable soft-start ramp (0–30 seconds)
• Current limit and over-current latching protection
• LED status indicators for easy diagnostics
• RJ45 communications port
• Eliminates the need for external phasing supply transformers

Technical Specifications

• Supply Voltage: 110V AC ±10%
• Frequency: 50/60Hz
• Controller Type: Microprocessor-based three-phase thyristor driver
• Operating Modes: Phase Angle or Burst Fire (switch selectable)
• Primary Fusing: Two HRC F1A ceramic fuses (20 × 5mm)
• Current Consumption: 350mA (full conduction)
• Initial Short-Circuit Gate Current: 500mA
• Sustaining Short-Circuit Gate Current: 250mA
• 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: 240Ω
• Opto-Isolated Inputs: 5–24V DC
• Adjustable Ramp Control: 0–30 seconds
• Current Limit / Over-Current Trip: 0–100mV DC or 0–25V DC
• Load Selection: Resistive or Inductive (SW4 selectable)
• Operating Temperature: 0°C to +65°C
• Storage Temperature: 0°C to +65°C

DIN Housing Dimensions

• Enclosure Size: 166mm (L) × 128mm (W) × 70mm (H)

PCB Dimensions

• PCB Size: 162mm (L) × 108mm (W) × 40mm (H)
• Fixing Holes: 4 × M3.5 clearance holes
• Fixing Centres: 150mm × 62mm

How It Works

The FC36M generates precise firing pulses to control three-phase SCRs used in industrial power control equipment. Depending on the application, users can select phase-angle firing for proportional power control or burst-fire switching for efficient regulation of resistive heating loads.

Control signals can be supplied via analogue voltage, 4–20mA current loop, or digital opto-isolated inputs. Adjustable ramp control gradually increases output during start-up, reducing electrical stress on connected equipment, while integrated over-current protection helps safeguard the system.

The supplied DIN rail enclosure allows quick installation inside standard electrical control panels without requiring additional housing.

Applications

The FC36M 110V DIN Mounted Thyristor Driver is ideal for:

• Industrial power supplies
• Three-phase SCR power controllers
• Half-controlled rectifiers
• Fully controlled rectifiers
• AC motor control
• DC motor control
• Soft starter systems
• Electric heater controllers
• Induction generators
• AC voltage regulators
• Industrial automation
• Manufacturing equipment
• Process control systems

Benefits

• Ready for DIN rail installation
• Accurate three-phase SCR firing control
• Supports both phase-angle and burst-fire operation
• Compatible with analogue, digital and 4–20mA control signals
• Adjustable soft-start reduces equipment stress
• Built-in over-current protection improves system safety
• Suitable for resistive and inductive loads
• Reliable microprocessor-based operation
• Simplifies panel installation with integrated DIN housing
• Available in 110V, 230V, 415V and 480V supply versions

Safety & Installation

• Installation should only be performed by qualified electrical personnel.
• Disconnect all power before installation or servicing.
• Ensure the correct 110V supply version is installed.
• Mount the enclosure securely onto a standard DIN rail inside a suitable electrical panel.
• Configure the firing mode and load type before commissioning.
• Install appropriate external protection devices in accordance with local electrical regulations.
• Ensure adequate ventilation around the enclosure and operate within the specified temperature limits.

.X20004 – FC36M User Manual(7)