EVR Series | 25A 230VAC Phase Angle Power Regulator | Enclosed

Description EVR Series 25A 230VAC Phase Angle Power Regulator The EVR Series thyristor stacks from United Automation are engineered for reliable single-phase 230V power control of loads up to 25A. Designed with an integral earthed heatsink and high-speed semiconductor fuses, these regulators deliver smooth, proportional control using phase angle (A407222A) or burst firing (A407222B) modes to suit heating and ventilation applications. Customisable signal options, soft-start capability, and straightforward installation make the EVR range a dependable solution for industrial environments requiring accurate and efficient power regulation. Key Features Single entry cable gland for simple, tidy installation Massive 0.3°C/Watt earthed heatsink for efficient heat dissipation Available in phase angle or burst firing versions Integrated high-speed semiconductor fuses for enhanced protection Optional input control methods for flexible integration Soft-start function to protect loads and extend component life Designed for easy installation and long operational life Technical Specifications Mains voltage: 230V AC 10% / −6% Current rating: 25A Control signal span (minimum): 0–5V DC Control signal span (maximum): 0–25V DC Signal zero offset: 0–30% of span Signal input resistance: 5000Ω ±20% Manual potentiometer options: 2kΩ, 5kΩ, or 10kΩ Soft-start time constant: 0–20 seconds adjustable Isolation voltage: 2500 Vrms Auxiliary output: 5V DC Triac limiting RMS current: 26A Peak single-cycle surge current: 250A Maximum peak voltage: 600V Fuse 30A, 660V SCR-type high-speed semiconductor fuse Temperatures Maximum working temperature: 65°C Storage temperature: −20°C to 85°C Applications Ideal for proportional control in: Industrial heaters and process heaters Ovens and dryers Air curtains and hot plates Heating and ventilation systems Furnaces and electroplating processes Controlled rectifiers and transformer regulation SCR solid-state phase angle control ensures smooth, accurate power delivery across a wide range of industrial heating and ventilation processes. Optimise your industrial processes with the reliable and efficient control offered by the EVR range of Thyristor stacks. Perfect for a range of heating and ventilation applications, these stacks ensure smooth proportional control, enhancing your system’s performance and longevity.