Functional Features：

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High precision measurement zero calibration; Fire protection dual bus, stable and reliable transmission, plug-in module design, easy installation; Non polarized power supply, simple and safe wiring, no need for gas pipes to be installed through walls, suitable for shared areas in corridors, front rooms, and stairwells.

Technical Parameter：

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Signal line: fully open, fully closed, open signal, close signal, public ground
Drive voltage and current: DC 24V 0.3A
Motor power: 7W
Torque: 16N
Running time: 50S (0-90 °)
Dimensions: L140mmxW85mmxH65mm

Usage environment：

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Temperature: -10 ℃ to+50 ℃
Relative humidity:<95% (40 ± 2 ℃)