Rectangular metallic-backed board with central green PCB and copper screw terminals at top and bottom.

R820-643 | Viconics | Thermostats & Controllers

SCR POWER CONTROLLER 600 V, 45 A, 3 PHASE

Brand:Viconics

MPN:R820-643

SKU:R820-643

List Price:

$2,487.00

Today's Price:

$1,293.24

catalog page

product specifications

Controls Outputs

Relay

Type

Stand-Alone

Set Point Range

-58 to 140 °F

Supply Voltage (Nominal)

24 VAC

product series specifications

Supply Voltage: 24 VAC, +10%/-15% @ 2 VA, 50/60 Hz;

Input Signal: 0-10 VDC (2-10 VDC control range), 4-20 mA, 0-135°F, dip switch selectable

low signal = no heat; high signal = full heat

Input Impedance

Voltage: 10KΩ

Current: 250 Ω

Thermostatic Protection: Cuts off at rise to 180°F (82°C), self-resetting

Operating Temperature: 32° to 95°F (0° to 35°C), full rating, amperage derated up to 175°F (80°C)

Operating Humidity: 0 to 95% RH (non-condensing)

Approvals: CSA; UL File #E191074

Warranty: 1 year

product series features

Compact, microprocessor-based controller saves space in control panels
Integrated, self-resetting thermostatic protection increases safety
Multi-input control signal maximizes application and system flexibility
Integral heat sink minimizes installation time and wiring costs
Status LED confirms proper operation

more information & related documents

Series Description

The Viconics R820 Series SCR (Silicon Control Rectifier) controllers provide cost effective modulation of electric loads using industry standard proportional control signals from thermostats or building automation systems. The R820 Series incorporates a compact control board mounted to a multi-fin, anodized heat sink with an exceptionally high heat dissipation rate. Models are available in single phase or 3-phase and can control loads up to 600V.

Kele Description

SCR POWER CONTROLLER 600 V, 45 A, 3 PHASE

Manufacturer

Viconics