Edwards 878EX_879EX.pdf

About Global Documents

Global Documents provides you with documents from around the globe on a variety of topics for your enjoyment.

Global Documents utilizes edocr for all its document needs due to edocr's wonderful content features. Thousands of professionals and businesses around the globe publish marketing, sales, operations, customer service and financial documents making it easier for prospects and customers to find content.

879EX 878EX Court Cheshire CT Fieldstone Court Cheshire NEMA Type 4X www Edwards signal Edwards

© Copyright 2004 Edwards
90 Fieldstone Court | Cheshire, CT 06410
Ph: 203.699.3300 | Fx: 203.699.3108
www.edwards-signals.com
6-18
H
O
R
N
S
 
&
 
S
I
R
E
N
S
The Edwards 878EX AC & 879EX DC Series are heavy-duty, high
decibel, vibrating horn signals designed for use in hazardous loca-
tions.
Two mounting brackets are provided on either side of the unit for
wall mounting. The housing is tapped on one side for 3/4" (19mm)
conduit to allow for field wiring installation.
For use in dusty, hazardous atmospheres where a distinctive, ur-
gent signal is required for timing, scheduling, paging and general
alarm applications.  Typical applications include use in mines, petro-
leum plants, gas plants, grain elevators, flour mills, paper mills, tex-
tile plants and tankers.
AdaptaHorn® Grille Type
Hazardous Location Horn
FEATURES
> Corrosion resistant heat flowed
epoxy finish
> Low current drain
AGENCY APPROVALS
> UL Listed for Class I, Division 1
and 2, Groups B, C, and D; Class
II, Division 1 and 2, Groups E, F,
and G; and Class III locations
> UL Listed for outdoor locations
> NEMA Type 4X Rated
SPECIFICATIONS
> Wide operating voltage range
-20% to +10% of nominal voltage
> Power connection wires
embedded in sealing compound
878EX & 879EX Series
Outdoor Rated, NEMA Type 4X
D-04
www.leedan.com   info@leedan.com   Toll-Free: 800-231-1414
H
O
R
N
S
 
&
 
S
I
R
E
N
S
© Copyright 2004 Edwards
90 Fieldstone Court | Cheshire, CT 06410
Ph: 203.699.3300 | Fx: 203.699.3108
www.edwards-signals.com
TECHNICAL INFORMATION
6-19
Mark
mounting
holes
(2) Mounting brackets
for 3/8" (10mm) diameter
maximum fasteners
Explosion-proof conduit
outlet box (not supplied)
3/4" (19mm) conduit
(not supplied)
7 3/8"± 1/8"
(187mm ± 3mm)
2 1/4"
(57mm)
6 1/2"
(165mm)
4 3/16"
(106mm)
7 5/8"
(194mm)
3/4" (19mm)
14NPT nipple
DC coil
dB at
Cat. No.
Volts
Amps
V A
Res. (Ohms)
10 Ft.
878EX-E5
12V 50/60 Hz
1.25
15
1.45
878EX-G5
24V 50/60 Hz
0.625
15
5.2
97
878EX-N5
120V 50/60 Hz
0.13
15
150.0
878EX-R5
240V 50/60 Hz
0.065
15.6
580.0
879EX-C1
6V DC
     0.70
4.2
1.4
879EX-E1
12V DC
     0.27
3.2
6.0
879EX-G1
24V DC
     0.16
3.8
24.0
879EX-J1
32V DC
     0.13
3.2
40.0
97
879EX-K1
48V DC
    0.07
3.4
96.0
879EX-P1
125V DC
   0.025
3.1
600.0
D-04
www.leedan.com   info@leedan.com   Toll-Free: 800-231-1414