Z788 Pepperl + Fuchs, Z788 Datasheet
Z788
Manufacturer Part Number
Z788
Description
SAFESNAP ZENER BARRIER, +DC
Manufacturer
Pepperl + Fuchs
Datasheet
1.Z772.pdf
(1 pages)
Specifications of Z788
Function
Module, Logic
2-Channel DC SafeSnap
00
Model.Numbers.
Z..
Z..
Z..
Z..
Z..
Z..
Z9..
Z9.H..
Z..
Z..
Z.H..
Z9..
•. -channel/DC.
•. Narrow.1..mm.profile.
•. Dedicated.terminal.for.each.connection.
•. Snap-on.for.easy.mounting.and.
SafeSnap dual-channel zener barriers feature a narrow
profile of just 12.5 mm to maximize control panel space.
Available in positive or negative polarity, these barriers
simply snap on for easy installation and maintenance.
Note: All diodes are orientated in the opposite direction
for the negative polarity versions.
Front View
Housing type G
(see system description)
Shield and ground
connection
* No ATEX Zone 2 certificate
Tag holder
2-Channel
DC SafeSnap
Barrier
grounding
USA Headquarters
phone: 330 486-0002 • email: sales@us.pepperl-fuchs.com
(Z)*.
(Z)*.
(Z)*.
(Z)*.
(Z)*.
(Z)*.
(Z9)*.
(Z9.H)*.
(Z)*.
(Z)*.
(Z.H)*.
(Z9)*
web: www.am.pepperl-fuchs.com
Field wiring terminals
DIN rail ground clamp
Field wiring terminals
TM
Class I, Div 1, 2
Zone 0, 1, 2
Connection.Diagram
Hazardous
Area
Worldwide Headquarters
phone: +49 621 776-0 • email: pa-info@de.pepperl-fuchs.com
TM
Technical Data
MODEL.NUMBER.
CERTIFICATES.
MECHANICAL.
AMBIENT.TEMPERATURE
Barrier
Polarity.Pos..(Neg.)
Z755 (Z855)
Z757 (Z857)
Z764 (Z864)
Z765 (Z865)
Z772 (Z872)
Z778 (Z878)
Z779 (Z879)
Z779.H (Z879.H)
Z786 (Z886)
Z788 (Z888)
Z788.H (Z888.H)
Z796 (Z896)
Housing
Dimensions
Weight
Max. Wire Size
Safe Area, Div 2 or Zone 2
1
2
3
4
Z-Diodes
Z-Diodes
Resistor
Resistor
web: www.pepperl-fuchs.com
S S
Zone 0, 1, 2
Zone 2
Fuse
Fuse
IS Ground
voltage at 10 μA
0.9 (1 µA)
8
7
6
5
leakage (V)
Working
TÜV 99 ATEX 1484 X,
10.0
13.0
19.0
26.5
26.5
26.5
26.5
26.5
26.5
24.0
18.0
6.0
6.5
6.5
BAS 01 ATEX 7005,
4.53" x 0.49" x 4.33" (115 x 12.5 x 110 mm)
See page 317 for entity parameters
Class I, Div 1, 2
Zone 0, 1, 2
Hazardous.
-4°F to +131°F (-20°C to +55°C)
Asia Pacific Headquarters
phone: +65 67799091 • email: sales@sg.pepperl-fuchs.com
2 x #14 AWG (2 x 2.5 mm
Area
Type G see page 455
resistance (Ω)
36 + 0.9 V
Max. end
4.0 oz. (≈ 125g)
18.18
to end
1033
No. 116-0118
No. 116-0119
No. 116-0139
15.5
107
166
646
327
250
327
250
340
437
64
64
Engineer's Guide (page 7)
Zener Accessories (page 297)
Power Supplies (page 401)
Surge Suppression (page 413)
Lastest Info. Avail. Online
II (1) G D [EEx ia] IIC
II 3 G EEx nAC IIC T4
Safe.Area,.Div..or.Zone.
1
2
3
4
Z.and.Z
Resistor
Resistor
current (mA)
Fuse rating
web: www.pepperl-fuchs.com
Z-Diodes
Z-Diodes
max.
250
200
100
50
50
50
50
80
50
50
50
80
80
50
50
Diodes
Diodes
2
S
)
voltage
11.0
13.6
20.1
28.0
28.0
28.0
28.0
28.0
28.0
25.1
19.5
Max.
Fuse
Fuse
IS Ground
4.8
6.9
9.1
9.1
(V)
8
7
6
5
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