Description
Cooling and heating control selection
– Alarm output and timer output selection
– ON/OFF and proportional control selection
– 0.1℃/1℃ selection
– Delay output time setting
(Main Output) Relay output Contact configuration: 1c, 250 VAC 5A (load impedance)SSR 10-15 VDC or higher (load impedance 500 Ω or higher)Alarm/ Defrost relay Contact configuration: 1c, 250 VAC 5A (load impedance)Control Action Proportional control or ON/OFF controlSet range Defrost time selection, alarm output, heating/cooling functionOther functions Defrost timer, alarm function, heating/cooling dual-functionOperating environment temperature and humidity 0 ~ 50 ℃, 35 ~ 85 % RH (but no condensation)Inter-line impedance Each wire below 10 Ωweight 120 g
Cooling and heating control selection
– Alarm output and timer output selection
– ON/OFF and proportional control selection
– 0.1℃/1℃ selection
– Delay output time setting
Professional engineering support with 17 years of experience in automation and electrical components.
Stable and reliable production of PLCs, I/O modules, relays, terminals, and switches.
Quality-first processes ensuring consistent performance and customer trust.
Continuous improvement to support automation, new energy, and electrical industries.
Shenzhen Yulian Technology Co., Ltd. operates with a strong commitment to quality, safety, and environmental responsibility. Supported by modern production facilities and a professional engineering team, we follow standardized management systems to ensure product consistency, reliability, and customer satisfaction.
From manufacturing to final inspection, every process is carefully controlled to meet international standards and long-term performance requirements for automation and electrical components.

From standard automation products to customized electrical components – we deliver stable performance, consistent quality, and global-grade reliability for industrial and new energy applications.
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