PR3-E-150kW 210A 415V

Description

The PR3-E 150KW 3-Phase Burst Fire Power Controllers are robust and versatile thyristor stacks, providing precise control of three-phase resistive loads using a two-thirds control technique. These units feature fast pulse zero voltage switching technology, minimizing flicker and eliminating RFI issues. Designed for industrial HVAC systems, furnaces, ovens, and other heating applications, the PR3 series supports both manual and signal input control, with advanced safety features like automatic temperature trips and phase loss detection.

With the PR3-E controllers, industries can achieve optimal heating performance while maintaining compliance with operational standards. Whether for industrial ovens or HVAC systems, these controllers offer reliability and efficiency to meet demanding applications.

Applications: Ideal for a wide range of applications, the PR3-E controllers are perfect for:

• Heating, Ventilating, and Air Conditioning (HVAC) systems, especially air curtain installations
• Industrial ovens and furnaces
• Dryers and hot plates
• Various resistive loads in manufacturing processes

Key Features:

• High Power Ratings: Available in 150KW (210A) and 180KW (250A) at a typical supply of 415V RMS.
• Versatile Control Options: Accepts DC signal control, ensuring smooth operation.
• Burst Firing Technology: Offers efficient load management and reduces power fluctuations.
• Thermal Protection: Features an automatic reset thermal trip for enhanced safety.
• Compact Design: Same physical size for both models, simplifying installation.

Technical Specifications:

• Input Voltage: 400V RMS ±10%
• Frequency: 50/60Hz
• Control Input Options:
  • Signal: 0 to 10V DC (standard), 0 to 5V; or manual via 5K potentiometer.
  • For 4-20mA signal: Switch setting and resistor requirements.
• Burst Fire Control Options: Slow burst (1 second proportional) and fast burst (variable).
• Alarm Relay Functions: Voltage-free circuit rated for 125V AC at 2A.
• Operating Temperature: Maximum 65ºC
• Cooling System: Integrated fan for effective heat management.