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United Automation Three Phase Firing Board Surface Mount TRIAC Type 500mA Gate Trigger Current A34462
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | United Automation |
| Model | A34462 |
| Mount Type | Surface |
| Series | FC36MV |
| Maximum Operating Temperature | 65°C |
| Control Type | Phase angle, Burst fire, or Phase angle and Burst fire combination |
| Minimum Operating Temperature | 0°C |
| Standards/Approvals | CE, REACH, UKCA, RoHS 2002/95/EC |
| Thyristor Type | TRIAC |
| Maximum Gate Trigger Current Igt | 500mA |
| Maximum Gate Trigger Voltage Vgt | 9V |
Key Features
- Microprocessor-based firing circuit designed for three-phase power control assemblies.
- Supports phase angle, burst fire, or combined control modes.
- Auto phase rotation correction and phase-loss detection for reliable operation.
- Switch selectable analog or digital opto-isolated input signals for control flexibility.
- Load type selectable between resistive and inductive applications.
- Includes current limit and overcurrent latching trip with LED indications.
- Adjustable ramp control ranging from 0 to 30 seconds for smooth start-up.
- Fits industrial processes including furnaces, electroplating, and controlled rectifiers.
Product Description
United Automation A34462 is a three-phase firing board employing a microprocessor-based control circuit for precise thyristor (SCR) management. This surface-mounted TRIAC type power module supports a maximum gate trigger current of 500 mA and operates between 0°C and 65°C. It is designed for seamless integration in industrial three-phase power control assemblies.
The firing board supports multiple control types including phase angle, burst fire, and combinations thereof, allowing flexible adaptation to diverse industrial loads such as furnaces, electroplating setups, and transformers. The unit incorporates automatic phase rotation correction and phase-loss detection to reduce installation errors and enhance operational reliability.
Control input options include analog or digital signals with opto-isolation, ensuring robust signal integrity. Users can select load types between resistive or inductive, optimizing firing for respective applications. Additional features include current limiting and overcurrent latching trips with clear LED status indicators for monitoring system health.
Adjustable ramp control from 0 to 30 seconds ensures controlled start-up to mitigate electrical stress. The module's design minimizes phase wiring complexity by providing straightforward gate/cathode outputs without the need for external phase supply transformers.
Microprocessor-based three-phase firing circuit with surface mounting. TRIAC thyristor implementation with 500 mA maximum gate trigger current. Operating temperature range 0°C to 65°C suitable for industrial environments.
Switches for phase angle, burst fire, or combined control for versatile application. Automatic phase rotation correction and phase-loss detection enhance reliability. Opto-isolated analog or digital inputs support flexible control signalling.
Current limit and overcurrent latching with LED indicators for safety. Adjustable ramp control between 0 and 30 seconds for smooth operation.
This firing board from United Automation is manufactured in the United Kingdom and complies with CE, REACH, UKCA, and RoHS 2002/95/EC standards. It is suitable for industrial automation, power control in manufacturing, HVAC systems, and electrical distribution applications.
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Frequently Asked Questions
The maximum gate trigger current for this model is 500 mA.
This unit supports phase angle control, burst fire control, and a combination of both control types.
It operates within a temperature range of 0°C to 65°C.
It complies with CE, REACH, UKCA, and RoHS 2002/95/EC standards.
Users can select between resistive and inductive load types for this firing board.
The automatic phase rotation correction feature helps reduce installation errors and enhances operational reliability by ensuring correct phase alignment.
The adjustable ramp control can be set from 0 to 30 seconds for smooth start-up.
It accepts switch selectable analog or digital opto-isolated input signals, providing flexibility in control.
This model features a surface mount design.
It is manufactured in the United Kingdom.
It includes current limiting and overcurrent latching trips with LED indicators for monitoring system health.
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