FC36MV High power | 415V 3-Phase Dual Mode Firing Circuit | SCR Driver

Description

FC36MV High Power Industrial 415V 3-Phase Dual Mode Firing Circuit (SCR Control)

The FC36MV Dual Mode Firing Circuit is a sophisticated microprocessor-based 3-phase thyristor driver engineered for high-power industrial SCR control applications. Designed for seamless integration into three-phase power control assemblies, the FC36MV provides precise and reliable firing control for both AC and DC systems.

Featuring advanced dual-mode operation, selectable control functions, and automatic phase management, the FC36MV simplifies installation while delivering exceptional performance in demanding industrial environments.

Its simplified gate/cathode outputs eliminate the need for external phasing transformers, reducing wiring complexity and improving system reliability.

Key Features

• Auto phase rotation correction and phase-loss detection
• Switch-selectable phasing reversal
• Dual mode control:
  • Phase-angle firing
  • Burst-fire operation
  • Combination mode
• Opto-isolated analogue and digital input options
• Selectable load type:
  • Resistive
  • Inductive
• LED status indicators for real-time operational feedback
• Current limit and over-current protection
• Adjustable soft-start ramp:
  • 0–30 seconds
• High-power SCR gate drive capability
• DIN rail enclosure option available

Technical Specifications

Electrical

• Nominal supply voltages:
  • 400V AC ±10% @ 50/60Hz
• Primary fusing:
  • 3 × 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

Control & Inputs

• Trigger modes:
  • Burst fire
  • Phase angle
• Voltage signal input:
  • 0–5V DC
  • 0–10V DC
  • Input impedance: 10KΩ / 20KΩ
• Current signal input:
  • 4–20mA via 270Ω
• Opto-isolated inputs:
  • 5–24V DC
• Adjustable ramp control:
  • 0–30 seconds
• Control limit / over-current trip:
  • 0–5V DC
• Load type selection (SW4):
  • Resistive or inductive

Environmental

• Operating temperature:
  • 0°C to +65°C
• Storage temperature:
  • 0°C to +65°C

Dimensions

PCB Only

• 203mm × 108mm × 40mm

PCB Fixing Centres

• 6 × M3.5mm holes
• 2 rows spaced 75mm apart
• 96.5mm between holes

DIN Rail Enclosure

• 207mm × 128mm × 70mm

Applications

The FC36MV is universally compatible with AC or DC systems using thyristor pairs in three-phase assemblies.

Ideal applications include:

• Industrial furnaces
• Electroplating systems
• Controlled rectifiers
• Transformer control
• Heater control systems
• Power regulation systems
• AC and DC motor control
• Industrial process heating
• High-power SCR assemblies

Optimise your industrial power control solutions with the FC36MV, the ultimate high-power thyristor driver designed for precision and reliability in demanding environments.