The TY-SY3W-Z44 combined electrical fire monitoring detector is a highly sensitive smart electrical fire monitoring detector
(hereinafter referred to as the monitoring detector) to monitor four ways of residual current (GB14287.2-2014) and four ways of
temperature detectors (GB14287.3-2014). With built-in high-performance MCU, the detector features reliable performance,
powerful function, flexible installation, and simple operation. In addition to effective cost reduction, the monitoring detector uses
fully digital processing technology to effectively avoid missed and false alarms.

▪ The detector is designed to feature good applicability, stable and reliable performance, low false alarm rate, and flexible and convenient installation. In addition, one detector can detect up to four residual current transformers and four temperature sensors.
▪ It is especially suitable for an electrical fire monitoring system detecting multiple temperature sensors simultaneously. Users no longer need to select multiple detectors, effectively reducing the operating cost of the system.

Models and specifications	TY-SY3W-Z44
Outline dimensions	72×88×23.5mm (W × H × D)
Power supply	Undulating voltage: 16 VDC to 28 VDC (powered by bus)
Operating current	3.3mA
Measurements	Residual current, temperature
Executive standard	GB14287.2-2014、GB14287.3 -2014
Alarm threshold range of residual current	300 mA to 1000 mA (1000 is displayed when the value exceeds the range), in a step of 5 mA
Temperature alarm threshold range	50 to 120℃, in a step of 1℃
Max. number of monitoring points	Four ways of residual current, and four ways of temperature detection
Communication bus	Two-bus
Operating environment	Temperature: -10℃ to 40℃, relative humidity: 20% to 95%