SR Products ETL165F-40 Nominal Temperature Rating User Manual

Sr products, llc

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Doc. ETL165F-40-I


Rev. A

Page 1 of 6


SR Products, LLC


Electro Thermal


The Electro Thermal Link [ ETL165F-40 ] is a multi-purpose, dual

response fusible link / release device. The fusible link portion functions identically to

an ordinary fusible link. Ambient temperature nearing the rated temperature causes

the low temperature alloy to melt, allowing the link halves to separate.

The ETL165F-40 can also be actuated by an electrical impulse. A 0.2 ampere

minimum trip current applied for a 50 millisecond minimum duration starts an

irreversible chemical reaction. This reaction melts the fusible alloy and causes link

separation in 6 to 10 seconds at standard temperature.

The ETL165F-40 was designed to substantially improve life safety and minimize

property damage by providing both ordinary fusible link response times in the event

of fire along with the capacity to instantaneously respond to any type of fire, smoke,

infrared, light detector (etc.) capable of supplying a short duration current impulse.

The design allows for ETL165F-40 substitution or retrofitting of ordinary fusible

links and other actuators or release devices installed in: dampers; doors; roof

hatches; towers; extinguishing systems, and inert chemical or gas release systems.

An inherent major advantage of the ETL165F-40 over other products is the dually

redundant dormancy – it draws no current and stays inertly in place until actuated,

then functions and separates in seconds. The ETL165F-40 is designed and intended

FOR INDOOR (or sheltered) DRY USE ONLY. The ETL165F-40 is an

Underwriters Laboratories listed device manufactured to exacting quality standards.