Schneider Electric (Viconics) R820-623 Power Control
The Schneider Electric (Viconics) R820-623 Power Control is a rugged, microprocessor-based SCR Power Controller designed for precise modulation of electric heating loads in commercial and industrial HVACR systems. Rated for 24-600 Vac 3-phase applications with a 25 Amp capacity, this controller utilizes advanced Silicon Controlled Rectifier technology to deliver stable power to duct heaters, baseboards, and fan coil units. Its zero-cross firing mode ensures minimal electromagnetic interference (EMI), protecting sensitive electronics within the same circuit. The hardware includes a factory-installed, multi-fin black anodized heatsink for superior thermal management and a status LED for rapid field diagnostics. Designed for surface or in-panel mounting, the R820-623 features dip-switch selectable inputs, supporting 0-10 Vdc, 4-20 mA, and 0-135 ohm signals, making it highly compatible with modern building automation systems (BAS) and analog thermostats.
Key Benefits- Broad Compatibility: Multi-input control logic allows seamless integration with industry-standard 0-10V, 4-20mA, or resistive signals.
- Integrated Safety: Features a built-in, self-resetting thermostatic protection mechanism that disables the unit if ambient temperatures exceed 180°F (82°C).
- Compact Footprint: The microcomputer-based design and integral heatsink reduce panel space requirements and simplify installation labor.
- Efficient Power Delivery: Two-leg control on 3-phase systems provides balanced load modulation, improving energy efficiency and extending heater element life.
What control signals are supported by the R820-623?
The unit is dip-switch configurable to accept 0-10 Vdc (2-10 Vdc range), 4-20 mA, and 0-135 ? signals, ensuring versatile connectivity with various DDC controllers.
Does this unit require an external heatsink?
No, it comes with a high-efficiency factory-installed heatsink. However, if mounted inside a panel, ensure the enclosure is adequately louvered for heat dissipation.
Can I use this for single-phase applications?
The R820-623 is specifically a 3-phase model. For single-phase 25 Amp requirements, the R820-621 model should be utilized instead.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $416.08
-65%$416.08
$145.63Schneider Electric (Viconics) R820-623 Power Control
The Schneider Electric (Viconics) R820-623 Power Control is a rugged, microprocessor-based SCR Power Controller designed for precise modulation of electric heating loads in commercial and industrial HVACR systems. Rated for 24-600 Vac 3-phase applications with a 25 Amp capacity, this controller utilizes advanced Silicon Controlled Rectifier technology to deliver stable power to duct heaters, baseboards, and fan coil units. Its zero-cross firing mode ensures minimal electromagnetic interference (EMI), protecting sensitive electronics within the same circuit. The hardware includes a factory-installed, multi-fin black anodized heatsink for superior thermal management and a status LED for rapid field diagnostics. Designed for surface or in-panel mounting, the R820-623 features dip-switch selectable inputs, supporting 0-10 Vdc, 4-20 mA, and 0-135 ohm signals, making it highly compatible with modern building automation systems (BAS) and analog thermostats.
Key Benefits- Broad Compatibility: Multi-input control logic allows seamless integration with industry-standard 0-10V, 4-20mA, or resistive signals.
- Integrated Safety: Features a built-in, self-resetting thermostatic protection mechanism that disables the unit if ambient temperatures exceed 180°F (82°C).
- Compact Footprint: The microcomputer-based design and integral heatsink reduce panel space requirements and simplify installation labor.
- Efficient Power Delivery: Two-leg control on 3-phase systems provides balanced load modulation, improving energy efficiency and extending heater element life.
What control signals are supported by the R820-623?
The unit is dip-switch configurable to accept 0-10 Vdc (2-10 Vdc range), 4-20 mA, and 0-135 ? signals, ensuring versatile connectivity with various DDC controllers.
Does this unit require an external heatsink?
No, it comes with a high-efficiency factory-installed heatsink. However, if mounted inside a panel, ensure the enclosure is adequately louvered for heat dissipation.
Can I use this for single-phase applications?
The R820-623 is specifically a 3-phase model. For single-phase 25 Amp requirements, the R820-621 model should be utilized instead.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Schneider Electric (Viconics) R820-623 Power Control is a rugged, microprocessor-based SCR Power Controller designed for precise modulation of electric heating loads in commercial and industrial HVACR systems. Rated for 24-600 Vac 3-phase applications with a 25 Amp capacity, this controller utilizes advanced Silicon Controlled Rectifier technology to deliver stable power to duct heaters, baseboards, and fan coil units. Its zero-cross firing mode ensures minimal electromagnetic interference (EMI), protecting sensitive electronics within the same circuit. The hardware includes a factory-installed, multi-fin black anodized heatsink for superior thermal management and a status LED for rapid field diagnostics. Designed for surface or in-panel mounting, the R820-623 features dip-switch selectable inputs, supporting 0-10 Vdc, 4-20 mA, and 0-135 ohm signals, making it highly compatible with modern building automation systems (BAS) and analog thermostats.
Key Benefits- Broad Compatibility: Multi-input control logic allows seamless integration with industry-standard 0-10V, 4-20mA, or resistive signals.
- Integrated Safety: Features a built-in, self-resetting thermostatic protection mechanism that disables the unit if ambient temperatures exceed 180°F (82°C).
- Compact Footprint: The microcomputer-based design and integral heatsink reduce panel space requirements and simplify installation labor.
- Efficient Power Delivery: Two-leg control on 3-phase systems provides balanced load modulation, improving energy efficiency and extending heater element life.
What control signals are supported by the R820-623?
The unit is dip-switch configurable to accept 0-10 Vdc (2-10 Vdc range), 4-20 mA, and 0-135 ? signals, ensuring versatile connectivity with various DDC controllers.
Does this unit require an external heatsink?
No, it comes with a high-efficiency factory-installed heatsink. However, if mounted inside a panel, ensure the enclosure is adequately louvered for heat dissipation.
Can I use this for single-phase applications?
The R820-623 is specifically a 3-phase model. For single-phase 25 Amp requirements, the R820-621 model should be utilized instead.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
