FIRE RATED ROLL-UP ACCESSORIES
SMOKE DETECTORS
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Photoelectric (detects smke and heat) or ionization (detects combustion particles): require connection to a release device with compatible voltage.
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RELEASE DEVICES
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Electro-thermal and McCabe links (normally open circuits); electro-magnetic and time delay failsafe releases (normal closed circuits)
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MODEL SS90-C RELEASE DEVICE
The Solid State Securities C-PLUS provides automatic closing and testing of motor operated counter fire doors upon activation by a detector or alarm; eliminates the need for mechanical release and reset unless there is a power loss; allows for a cycling sequence of the door in the event an obstruction is encountered upon closing.