Description
The ENH 200-1.2-1 S21 V.2 is a robust duct-mounted electric heater engineered to maintain comfortable supply air temperatures in ventilation systems. Designed for seamless integration with S21-controlled air handling units, it provides smooth, precise heating via PWM-regulated control, ensuring both comfort and energy efficiency.
Key Features
- Heating Capacity: 1.2 kW, suitable for small to medium ventilation systems
- Temperature Control:
- Smooth regulation via PWM control (10-second cycles).
- Integrated duct temperature sensor for real-time monitoring.
- Safety Protections:
- Automatic reset thermostat at +60 °C.
- Emergency manual reset thermostat at +90 °C
- Construction:
- Galvanized steel casing, junction box, and cover.
- Stainless steel heating elements.
- 20 mm non-flammable mineral wool insulation for added safety.
- Connections: Rubber-sealed duct connections for airtight installation.
Technical Specifications
- Power: 1.2 kW
- Current: 5.2 A
- Voltage: Single-phase, 230 V
- Minimum Airflow Requirement: 150 m³/h (42 l/s)
- Duct Diameter: Ø200 mm
- Dimensions (mm): D=200, B=239, H=336, L=306, L1=192
- Mounting: Can be installed in any duct position using included clamps; for horizontal mounting, the control box must face upward.

