Description

FC11AL Phase-Angle Firing Module for Triacs & Thyristors

The FC11AL from United Automation is a versatile phase-angle firing module designed for precise control of triacs and thyristors up to 440V AC, particularly in inductive load applications such as transformers and motors.

Featuring the innovative MONO-LINK™ gate-to-gate firing system, high isolation, and adjustable soft-start, the FC11AL delivers smooth, reliable power control while minimising wiring complexity. Its enclosed, durable design makes it ideal for demanding industrial and commercial environments.

Key Features

• Phase-angle firing for triacs or thyristors up to 440V AC
• Ideal for inductive loads including transformers and motors
• MONO-LINK™ gate-to-gate firing system reduces wiring and improves reliability
• Optocoupled output with 4000Vrms isolation
• Adjustable soft-start from 0–20 seconds
• Status LED indicator
• Fully enclosed, durable, and safe design

Technical Specifications

• Signal span minimum: 0–2V DC
• Signal span maximum: 0–25V DC
• Signal zero offset: 0–30% of span
• dV/dt rating: 100V/µs
• Maximum gate/line voltage: 440V AC
• Trigger isolation voltage: 4000Vrms
• Trigger output rating: 0.8A
• Line frequency: 50/60Hz
• Auxiliary supply input: 12–18V AC @ 65mA
• Auxiliary output: 5V DC
• Operating temperature range: 0°C to +65°C
• Storage temperature range: −20°C to +85°C
• Adjustable soft-start: 0–20 seconds
• Mono-link fuse: F100mA (HRC)
• Manual potentiometer options: 2KΩ, 5KΩ, or 10KΩ
• Power connections: 6.3mm AMP tags

Applications

Suitable for a wide range of industrial and commercial equipment, including:

• Industrial ovens
• Restaurant and hospitality equipment
• Quartz and heat lamps
• Moulders and dryers
• Inductive load control