Detection and Control Components
Abort Switch
(IQ-318, IQ-636X-2, 542R, 542D)
Features
• Stackable, screw-terminal, contact blocks
ABORT SWITCH (PARALLEL)
• Compatible with AUTOPULSE control units
EOL RESISTOR
• Surface-mount assemblies listed by Underwriters
(+)
Laboratories, Inc.
CONTROL UNIT
• Components mounted on stainless steel switch plate ABORT CIRCUIT
(–) TERMINALS OR
ADDRESSABLE
Applications N.O. ABORT
003735
MONITOR MODULE*
SWITCH
The Abort Switch is used to momentarily interrupt the release
circuit signal when the control unit is in the alarm condition. * SEE CONTROL UNIT MANUAL FOR SPECIFIC WIRING REQUIREMENTS.
As long as the abort pushbutton is held in, the fire suppres-
sion system will not release. (Note: When the control unit is Ordering Information
programmed for IRI compliance, the abort will not be effec- Shipping
tive after pre-discharge.) When the pushbutton is released, Weight
the release circuit is activated (unless the control unit has Part No. Description lb (kg)
been reset to the non-alarm condition).
76494 Abort Switch, Surface-Mount 1.0 (0.45)
Description 76495 Abort Switch, Flush-Mount 1.0 (0.45)
The Abort Switch assembly consists of a momentary- 436983 Extra Contact Block, NC 0.25 (0.11)
contact pushbutton switch, normally-open contact block, 436982 Extra Contact Block, NO 0.25 (0.11)
normally-closed contact block, and stainless steel switch
plate with silk-screened label. Surface-mount assemblies
include a single-gang weather-proof box with three 1/2 in.
I.P.S. threaded conduit outlets and gasket.
The stackable, screw-terminal contact blocks are rated for 28
VDC @ 1.1 amp make/break or 6 amp continuous carry.
Listings and Approvals
The switch is UL listed (S3623) when installed in the surface-
mount box (with gasket) that is provided with the surface-
mount assembly.
MOUNTING DIMENSIONS
SURFACE-MOUNT FLUSH-MOUNT
3 IN. 2 5/8 IN.
2 7/8 IN.
(76 mm) (67 mm)
(73 mm)
FIRE SUPPRESSION
SYSTEM ABORT
4 5/8 IN.
(117 mm)
PUSH AND HOLD 007362
3-15
TYCO FIRE PROTECTION PRODUCTS Copyright © 2011 Tyco Fire Protection Products
ONE STANTON STREET All rights reserved.
MARINETTE, WI 54143-2542 715-735-7411 Form No. T-2007130-3
