Description

PR1-DIN-F-6kW Phase Burst Fire HVAC Power Controller (25A)

The PR1-DIN-F-6kW Phase Burst Fire Power Controller is a high-power, DIN-rail mounted solution developed for accurate and dependable control of resistive heating loads in demanding HVAC and industrial applications. Using advanced burst fire control technology, the unit delivers smooth proportional power regulation while significantly reducing electrical noise, inrush stress and thermal cycling of connected loads.

Designed for professional control panels, the PR1-DIN-F-6kW combines robust construction with integrated safety protection, making it an ideal choice for higher power heating circuits where reliability, efficiency and compliance are critical.

Key Features

• Phase Burst Fire Power Control
  Ensures efficient, stable proportional control of high-power resistive heating loads.

• 6kW Power Rating (25A @ 240V RMS)
  Suitable for heavy-duty HVAC and industrial heating applications.

• Over-Temperature Protection
  Automatic safety trip at 90°C, with reset at 85°C, protecting both controller and load.

• Temperature Sensor Loss Detection
  Integrated monitoring with LED fault indication for rapid troubleshooting.

• DIN-Rail Mounted Design
  Secure TS35 DIN-rail mounting allows fast installation and easy servicing.

• Flexible Control Signal Options
  Compatible with 0–10V DC (factory set), 0–5V DC, or manual control via 5kΩ potentiometer (not supplied).

• Integrated Fail-Safe Fuse
  High-speed semiconductor fuse provides enhanced protection for high-current applications.

• LED Status Indicator
  Displays control signal intensity and clearly identifies fault conditions.

• Naturally Cooled, Compact Construction
  Designed for vertical mounting with efficient natural convection cooling.

Applications

The PR1-DIN-F-6kW controller is engineered for precision control in higher power HVAC and industrial heating systems, including:

• HVAC heating systems

• Industrial and process heaters

• Air handling units (AHUs) and ventilation heaters

• Ovens and drying equipment

• Hot plates and thermal processing machinery

• General high-power resistive heating loads

Its burst fire operation makes it particularly suitable for installations requiring low EMC emissions, quiet operation, and long equipment life without external EMC filtering.

Technical Specifications

Power Rating:

• 6.0kW (25A) @ 240V RMS

Supply Voltage:

• 230V RMS ±10%

Frequency:

• 50 / 60Hz

Control Input Options:

• 0–10V DC (factory set)

• 0–5V DC

• Manual control via 5kΩ potentiometer (not supplied)

Status Indication:

• LED intensity tracks control signal

Over-Temperature Protection:

• Trip at 90°C ±1°C (fast flashing LED)

• Reset at 85°C ±1°C

Sensor Loss Detection:

• LED flashes at 1-second on/off intervals

Cable Terminations:

• Power & Earth: up to 4mm²

• Control Signal: up to 2.5mm²

Terminal Torque:

• 0.5Nm (all terminals)

Fusing:

• 30A (10mm × 38mm) high-speed semiconductor ferrule fuse

Maximum Ambient Temperature:

• 65°C (operational)

Dimensions:

• 112mm (D) × 96mm (W) × 85mm (H) including DIN-rail clip

• With Perspex fuse cover: 112mm (D) × 96mm (W) × 87mm (H)

Mounting:

• TS35 DIN-rail

Weight:

• 0.7kg