PWM Proportional Solid Sate Relays Modules - Duct Heating Controller
PWM Solid State Relay based Power Control Modules are used for HVAC Industry Duct Heatsing Controllers or Low cost proportional heatsing control for purely resisitive loads. These models respond to an analogue demand/control input while certain models also provide alarms, and RS485 Comms.
Fastron Electronics offer PID Temperature Controllers for reliable control with very competative pricing.
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