4WTA-B, Audio-coupled thermal optical detector

Manufacture: System Sensor
Product code: 4WTA-B

4WTA-B is a 4-wire i3 smoke detector
⭐ photoelectric smoke detector with integrated heat sensor and sound regulator ,System Sensor fire alarm device ,Contact price: 0917.911.114


Consulting hotline: 0944934114
Product information


• Sound generator 85 dB

• Transitions in C

• Isolated thermal sensor

• Plug-in design (including base)

• Inline terminal

• Flexible installation options

• Stop-Drop 'N Lock™ attachment to the base

• Removable lid and chamber

• Remote maintenance signaling

• Smoothing and drift compensation algorithms

• Simplify sensitivity measurement

• Dual-color LEDs


Alarm level 0.5A @ 30V AC / DC
Maximum alarm Max 35mA
Type of detector photoelectric
Size Diameter 2.0 "(51mm) H x 5.3" (127mm)
Report a problem 41 ° F (5 ° C)
Heat sensor 135 ° F (57,2 ° C) cố định
Humidity 0% to 95% RH, non-condensing
Ripple voltage max 30% nominal (peak to peak)
Operating voltage 12/24 V nominal non-polarized, 10 min. 35 . max
Sensitivity 2,5% / ft
Sound 85 dBA
Standby line Average Max 50µA
Temperature 32 ° to 100 ° F (0 ° to 37,8 ° C)
Weight 7,1 oz. (200 g)
Wire 4 wires
Wire gauge 14-22 AWG
Standard 4WTA-B,Đầu báo quang kết hợp nhiệt tích hợp âm thanh

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