GE EST Fire & Life Safety
Security Conventional Initiating Devices
Overview Standard Features
The GE Security Cat. No. 278B/279B series noncoded fire alarm • Double action models
stations are contemporary styled Lexan stations and are flexibly
• Single or double pole contacts
designed to meet a wide variety of application requirements and
operational sequences. • Terminals or wire leads for field connections
The Cat. No. 278B series are double action stations with terminals • Presignal or general alarm operation
for field wiring connections.
• Key lock or tool reset
The Cat. No. 279B series are double action stations with six inch
(150mm) wire leads for field wiring connections. • Break glass operation
All types can be either presignal or general alarm and are available • Surface or semi flush mounting
with single or double pole alarm contacts which can be normally • Red finish
open, normally closed or a combination of both. Either a key or tool
(depending on station selected) is required to reset mechanism. • Contemporary styling
See specification chart for specific catalog numbers and features. • Rugged LEXAN construction
Where a manual station is installed on a circuit that also includes
smoke detectors, a resistor may be added in series with the alarm • Latch action until reset
initiating contacts on the station so the operation of the station
does not extinguish alarm LEDs on operated detectors. The Cat.
No’s. 276-R and 276-RT series resistor kits permit field installation of
the series resistor on applicable stations.
For semi flush mounting use a standard North-American four inch
square box with a single gang plaster cover having an overall mini-
mum depth of 2-1/4 inch (57mm). For surface mounting use a Cat.
No. 276B-RSB surface back box.
Double-Action
Fire Alarm Stations
278/279B Series — Non-Coded
Data Sheet 85001-0227 Issue 3
Not to be used for installation purposes. Page 1 of 4
Operation Technical Specifications
To initiate an alarm it is necessary to first lift the upper door marked Contact Ratings: General Alarm Switch/Keyswitch
“LIFT THEN PULL HANDLE”, and then pull the alarm handle.
Single Pole 3.0 Amps, 30 Vac, Resistive Load
The alarm handle latches in the pulled position until the station 1.0 Amps, 28 Vdc, Resistive Load
is manually reset. To reset, the station is opened using a Cat. No.
276-K1 key supplied with the station, or a tool; the toggle switch Double Pole 1.5 Amps, 30 Vac, Resistive Load 1.0
Amps, 28 Vdc, Resistive Load
is restored to it’s normal position, the break glass rod is replaced
and the station is reclosed. For presignal type stations, the general Cat. No. 276-R and 276-RT Series 560 Ohms, ±5%
alarm can be initiated by authorized personnel from any operated resistor kits (optional)
station by inserting a Cat. No. 276-K2 key into the keyswitch behind (For stations connected to smoke 2W
the alarm handle and turning it clockwise. detector circuits)
Station Housing Red Lexan 940 with White Letters
Weight 1 lb (0.4 kg)
Engineering Specifications
Furnish and install where indicated on plans, Cat. No. (Select one of
the following:)
(278B series double action manual stations with screw terminals)
Accessories
(279B series double action manual stations with six inch (150mm) wire leads) 276-GLR Replacement Package of Glass Rods
for connection of installation wiring. All stations shall be of the non- 276-K1 Station Reset Key, Supplied with all Key Reset Stations
coded break glass type. 276-K2 General Alarm Key. Must be ordered separately.
The stations shall be constructed of red lexan with white raised let- 276-RT* Series Resistor Kit with Terminal Block.
ters. The alarm handle shall be marked “PULL FOR FIRE”, to provide
simple, concise instructions for activation of station by the general 276B-RSB Surface Back Box, Red.
public. It shall be necessary to first lift an upper door marked “LIFT *See Ordering Table to determine Kit for specific stations.
THEN PULL HANDLE” to gain access to the alarm handle.
Pulling the alarm handle shall break a glass rod and activate a
toggle switch which shall cause the handle to latch in the alarm po- WARNING: These devices will not operate without electrical power. As fires fre-
sition. Momentary push button type switches shall not be accept- quently cause power interruptions, we suggest you discuss further safeguards
able. To reset the station it shall be necessary to open the station with your local fire protection specialist.
using (select one) (a key) (a special tool), restore the toggle switch to
its normal position and replace the glass rod. Stations shall be UL
listed.
Data Sheet 85001-0227 Issue 3
Not to be used for installation purposes. Page 2 of 4
Mounting
Cat. No’s. 278B Cat. No’s. 278B & Cat. No. 276B-RSB
& 279B Series Cat. No’s. 276B-RSB Backbox Surface Backbox
Cat. No. 278B
277B & 279B
Series With
Series with-
Optional
out Backbox
Backbox
Ordering Information
Catalog Field Agency Series Resistor
Switch Contacts Station Reset Type Alarm
Number Connections Approvals Kit
Double Pole
6” (150mm)
Wire Leads
Single Pole
Double
Terminals
Operated
Operated
Presignal
Contacts
Contacts
Contact
Contact
General
Approved
Action
Closed
Circuit
Circuit
Alarm
Alarm
Alarm
Listed
Screw
276-RT
Reset
Reset
Open
Pull Stations
276-R
Tool
Key
UL
FM
278B-1110 X X X X X X X X X
278B-1120 X X X X X X X
278B-1320 X X X X X X X X
278B-1420 X X X X X X X X X
277B-1110 X X X X X X X X X X
277B-1120 X X X X X X X X
279B-1110 X X X X X X X
279B-1120 X X X X X X X
279B-1320 X X X X X X X
Data Sheet 85001-0227 Issue 3
Not to be used for installation purposes. Page 3 of 4
U.S.
T 888-378-2329
F 866-503-3996
Canada
T 519 376 2430
F 519 376 7258
Asia
T 852 2907 8108
F 852 2142 5063
Australia
T 61 3 9259 4700
F 61 3 9259 4799
Europe
T 32 2 725 11 20
F 32 2 721 86 13
Latin America
T 305 593 4301
F 305 593 4300
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© 2006 General Electric Company
All Rights Reserved
Data Sheet 85001-0227 Issue 3
Not to be used for installation purposes. Page 4 of 4
