Fan Speed Controller 4kW | 17A | Metal Enclosure 230V
$ 29.08
Description EVR-4kW PA Phase-Angle Fan Speed Controller The EVR-4kW PA from United Automation is a compact phase-angle power controller designed for smooth, proportional control of single-phase 230V loads. Housed in a robust metal enclosure, this unit is widely used as a fan speed controller for HVAC and ventilation systems, while also supporting precise control of heaters and other process loads. Part of the EVR “Mini Stack” series, it integrates a high-speed semiconductor fuse, convection-cooled heatsink, adjustable soft-start, and multiple control signal options for reliable operation in demanding industrial environments. Key Features Phase-angle control for smooth proportional voltage and current regulation Designed for fan speed control, HVAC, and motor-driven applications Wide control signal compatibility: manual, voltage, or current input Adjustable soft-start (0–20 seconds) to protect loads and extend lifespan Integrated SCR-type high-speed semiconductor fuse (Triac protection) Convection air-cooled heatsink for silent, reliable cooling Compact, enclosed metal design for easy installation Full isolation and overvoltage protection Available in enclosure, DIN-rail, or back-plate formats across the EVR range Technical Specifications (EVR-4kW) Current rating: 17A Mains voltage: 230V AC 10% / −6% Control signal span (min): 0–5V DC Control signal span (max): 0–25V DC Control signal zero offset: 0–30% of span Signal input resistance: 5kΩ ±20% Manual potentiometer options: 2kΩ, 5kΩ, or 10kΩ Soft-start time constant: 0–20 seconds adjustable Isolation voltage: 2500V RMS Auxiliary control output: 5V DC Triac limiting RMS current: 26A Peak single-cycle surge current: 250A Maximum peak voltage: 600V Maximum working temperature: up to 65°C Fuse (EVR-4kW) 20A, 660–690V AC, 10×38mm GRB / Protistor high-speed semiconductor fuse (gR curve) Storage temperature 0°C to 85°C Mechanical Details (Metal Enclosure Version) SKU: A72260 (Fan Speed Controller) Dimensions (D × W × H): 150 × 90 × 90 mm Fixing centres: 135mm (D) × 108mm (W) 4 × 5mm mounting holes Applications Suitable for proportional power control in: Ventilation and HVAC fan systems Motor-driven fans and air handling units Industrial and process heaters Ovens, dryers, and furnaces Air curtains and hot plates Electroplating and chemical process control Transformer regulation and controlled rectifiers The EVR-4kW PA is especially effective as a simple, energy-efficient fan speed controller for mains-driven motors requiring reliable and adjustable airflow control.
