This product is part of the Harmony control relays range, an offer of Near Field Communication and conventional control relays (formerly known as Zelio Control Relays).The temperature controller features 11-segment 5-digit LCD display.It is a modular measurement and control relay with a rated supply voltage of 100V to 240V AC.It offers thermocouple, RTD, DC voltage or DC current analogue inputs and 2 relay outputs. It also has 1 changeover contact alarm outputs.The relay outputs are rated to 250V AC/3A on resistive and 250V AC/1A on inductive loads.This Zelio temperature control relay features auto tuning and PID functions, Modbus RTU and ASCII communication protocol. It is an IP66/IP20 and NEMA 4X rated product.Its outer dimensions are 48mm (height) x 48mm (width). It weighs 120g.It is suitable for packaging, industrial machines, textiles and HVAC applications.This product is certified by CURus (873). It meets EN 61326-1, EN 61010-1 and CSA C22.2 No 24-93 standards.It supports 1/16 DIN panel mount.The RTC48 temperature controllers are key components for temperature regulation solutions.These control relays monitor and detect abnormal operating conditions.