SD388 Smoke Detector

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102mm in diameter and 43mm in height, this detector provides an independent smoke and heat detection. The alarm will be activated if either of them detects emergencies. It meets the requirements of UL 268 and EN 54-7/5, while it also passes NFPA 72 standards.

Besides, our smoke detector provides fast and reliable response for photoelectric smoke or heat (135℉) detection. It provides fire detection by acting as a smoke sensor and/or a 135℉ heat detector at the same location. With advanced detection and discrimination algorithms, our smoke detector also features an easy installation and maintenance. There is no need to replace the durable sensor head, while the SMD circuit board also ensures quality and reliability. N/C (normal/close)-N/O (normal/open) selectable relay output is provided, while auto reset function is optional for 4 wire models. In addition, we offer you 5 year limited warranty to our product.

Models

SD-388-2	2 wire photoelectric smoke alarm
SD-388-2L	2 wire photoelectric smoke alarm with remote LED output
SD-388-2H	2 wire photoelectric smoke and heat alarm
SD-388-2HL	2 wire photoelectric smoke and heat alarm with remote LED output
SD-388-4-12/24	4 wire photoelectric smoke alarm (12/24VDC)
SD-388-4AR-12/24	4 wire photoelectric smoke alarm with auto-reset function (12/24VDC)
SD-388-4H-12/24	4 wire photoelectric smoke and heat alarm (12V/24DC)
SD-388-4HAR-12/24	4 wire photoelectric smoke and heat alarm with auto-reset function (12/24VDC)

Technical Specifications

Model	2/4 Wire	Thermal	Voltage DC	Standby Current (Max.)	Alarm Current 12/24V	Surge Current (Max.)	Star-Up Time (Max.)	Max. Current	Frequency	Alarm Contact	Base Model
SD388-2	2		10.8〜33V	80μA	22/55mA	160μA	30S	80mA	1〜3 Seconds	—	P/N762001
SD388-2L	2		10.8〜33V	80μA	22/55mA	160μA	30S	80mA	1〜3 Seconds	—	P/N764001
SD388-2H	2	57°C	10.8〜33V	80μA	22/55mA	160μA	30S	80mA	1〜3 Seconds	—	P/N762001
SD388-2HL	2	57°C	10.8〜33V	80μA	22/55mA	160μA	30S	80mA	1〜3 Seconds	—	P/N764001
SD388-4-12V	4		10~30V	80μA	30mA	160μA	30S	80mA	1〜3 Seconds	Form A	P/N764001
SD388-4-24V	4		16~33V	80μA	30mA	160μA	30S

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