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32 Results
forrelay smoke detectors
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5pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output-10000192
US $7.64 / piece 5pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output...Free ShippingMin. Order: 5 pieces
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4-wire UV Flame Detector with Relay output,Conventional Fire Alarm Control System,Detection Angle 110 degree
US $139.99 / piece The device is an Ultraviolet-only flame detector designed to detect fires and provide alarm outputs directly from the detector...Free ShippingMin. Order: 1 piece
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Free shipping!+Smoke Sensor With relay output Smoke sensor module Smoke detectors
US $20.00 / piece induced current: less than 30MA
output: relay normally open, normally closed, or the output high and low level...Free ShippingMin. Order: 10 pieces
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free shiping 4-wire Smoke & Heat Detector /fire alarm /smoke&heat alarm
US $31.58 / piece Smoke &Heat Detector with relay output, Operates by Advanced MCU Expert Algorithm Software...Free ShippingMin. Order: 1 piece
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LPG Gas Detector with NC/NO Relay Output
US $16.84 / piece This LPG gas Detector can detect dangerous and ignitable gas leaking, such as natural gas, Town gas and LPG,
and this gas det...Free ShippingMin. Order: 1 piece
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Free Ship,Adjustable Smoke Sensor Module Detector W Relay Output DYP-ME0010
US $8.72 / piece Smoke Sensor Module Smoke Detector with Relay Output...Free ShippingMin. Order: 3 pieces
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Smoke Sensor Detector Module w/ Relay Output DC 9V#OT935
US $10.42 / piece Smoke Sensor Detector Module w/ Relay Output DC 9V...Free ShippingMin. Order: 1 piece
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4-wire,MCU Conventional Smoke & Heat Detector Conventional Multi Sensor Smoke & Heat Detector with Relay output
US $9.90 / piece 4-wire,MCU Conventional Smoke & Heat Detector;Fire Alarm System
Package Size: 593x430x363mm, 100 pcs/1 carton. Gross Weight: 20...- Shipping:
- From US $40.17 / piece
Min. Order: 1 piece
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Free shipping 5pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output
US $7.64 / piece Free shipping 5pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output...Free ShippingMin. Order: 5 pieces
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Ionic Smoke Detector (network) PT-603IC,DHL free shipping!
US $40.53 / piece 9-24V D.C,sound&flash alarm,test manually,auto-reset,anti white light interference; Alarm Output: relay output N.O./N.C....Free ShippingMin. Order: 1 piece
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Free Ship,Adjustable Smoke Sensor Module Detector W Relay Output DYP-ME0010
US $8.72 / piece Smoke Sensor Module Smoke Detector with Relay Output...Free ShippingMin. Order: 3 pieces
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Gas leaking detector from professional manufacturer
US $5.93 / piece Smoke leaking detector
1.Good quality & competitive price
2.Voltage:AC 220V or DC 9-16v
3.network or standalone is Option...- Shipping:
- From US $30.53 / piece
Min. Order: 1 piece
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Smoke Sensor With relay output Smoke sensor module Smoke detectors
US $13.67 / piece 1.Good quality and low price
2. Accept Orders and Supply Scarcity products
3. Seeking long-term cooperation partners....Free ShippingMin. Order: 1 piece
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Free shipping Smoke Sensor With relay output Smoke sensor module Smoke detectors
US $20.00 / piece Smoke Sensor With relay output Smoke sensor module Smoke detectors...Free ShippingMin. Order: 1 piece
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LPG Gas Detector with NC/NO Relay Output
US $16.84 / piece This LPG gas Detector can detect dangerous and ignitable gas leaking, such as natural gas, Town gas and LPG,
and this gas det...Free ShippingMin. Order: 1 piece
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Relay Output DC 9V/Smoke Sensor Detector Module w#OT935
US $6.64 / piece Smoke Sensor Detector Module w/ Relay Output DC 9V...- Shipping:
- From US $1.76 / piece
Min. Order: 1 piece
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4-wire,MCU Conventional Smoke Detector Conventional Multi Sensor Smoke Detector with Relay output
US $8.90 / piece 4-wire,MCU Conventional Smoke Detector;Fire Alarm System
Package Size: 593x430x363mm, 100 pcs/1 carton. Gross Weight: 20...- Shipping:
- From US $40.17 / piece
Min. Order: 1 piece
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Smoke Sensor Module use for Detection smoke Detector W Relay Output-10000192
US $11.27 / piece Smoke Sensor Module use for Detection smoke Detector W Relay Output...Free ShippingMin. Order: 1 piece
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Free shipping Smoke Sensor Module use for Detection smoke Detector W Relay Output
US $12.02 / piece Free shipping Smoke Sensor Module use for Detection smoke Detector W Relay Output...Free ShippingMin. Order: 1 piece
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Ionic Smoke Detector (network) PT-603IC,China post free shipping!
US $30.00 / piece 9-24V D.C,sound&flash alarm,test manually,auto-reset,anti white light interference; Alarm Output: relay output N.O./N.C....Free ShippingMin. Order: 1 piece
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Wholesale! DC12V +four wired network photoeletrical smoke detector
US $13.58 / piece 1.CE fire alarm
2.Infrared optical sensor
3.DC12V
4.Auto output N.C/N.O. optional
5.LED alarm...Free ShippingMin. Order: 1 piece
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UV flame detector,4-wire,Relay output,IP 32,free shipping
US $142.11 / piece The device is an Ultraviolet-only flame detector designed to detect fires and provide alarm outputs directly from the detector...Free ShippingMin. Order: 1 piece
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Brand new Relay Output DC 9V Smoke Sensor Detector Module w/ #OT935
US $36.25 / piece Smoke Sensor Detector Module w/ Relay Output DC 9V...Free ShippingMin. Order: 1 piece
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3pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output-10000192
US $8.79 / piece 3pcs/lot Smoke Sensor Module use for Detection smoke Detector W Relay Output...Free ShippingMin. Order: 3 pieces
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Gas leaking detector from professional manufacturer
US $5.93 / piece Smoke detector
1.Good quality & competitive price
2.Voltage:AC 220V or DC 9-16v
3.network or standalone is Option
4.CE,RoHS...- Shipping:
- From US $30.53 / piece
Min. Order: 1 piece
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4-wire Smoke Detector with Sound and Relay output,Conventional Fire Alarm Control System
US $13.58 / piece Smoke Detector with sound and relay output, Operates by Advanced MCU Expert Algorithm Software...Free ShippingMin. Order: 10 pieces
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Wholesale! 24V +two wired network photoeletrical smoke detector
US $13.68 / piece 1.CE fire alarm
2.Infrared optical sensor
3.DC24V
4.Auto output N.C/N.O. optional
5.LED alarm...Free ShippingMin. Order: 1 piece
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4-wire Heat Detector with Relay output,Conventional Fire Alarm Control System,Two LEDs blink standby
US $14.11 / piece The device is intelligent sensors that utilize a state-ofthe-
art thermistor sensing circuit for fast response....Free ShippingMin. Order: 10 pieces
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Conventional Fire Alarm Control System,4-wire Smoke Detector with Sound and Relay output,SMD circuit board
US $9.90 / piece The detectors are photo-electronic detector uses a
state of-the-art optical sensing chamber....Free ShippingMin. Order: 10 pieces
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4-wire Heat Detector with Relay output,Conventional Fire Alarm Control System,Unpolarized wire and wide voltage input
US $13.58 / piece These sensors are designed to provide open area
protection with 50 foot spacing capability...Free ShippingMin. Order: 10 pieces
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Addressable Fire Alarm Control System: Addressable Relay Module
US $68.42 / piece Addressable Fire Alarm Control System: Addressable Relay Module...Free ShippingMin. Order: 1 piece
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Conventional Fire Alarm Control System,4-wire Smoke & Heat Detector with Relay output,High Precision Electronic Thermistor
US $15.68 / piece The detector is a combined smoke and heat detector
with photoelectronic sensor and heat thermistor
together....Free ShippingMin. Order: 10 pieces