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Physikalisch-Technische Bundesanstalt
Braunschweig und Berlin
(13)
(14)
(15) Description of Equipment
The Model 3776-8... Limit Switches are suitable for attachment to rotary actuators complying with
VDE/DIN 3845 and for integral attachment to Model 3277 Linear Actuators with covered lever
system. Dependent on the version, they are equipped with limit contacts of different design and with
low-power solenoid valves.
The electrical connection is made by plug connectors or cable entries..
The correlation between temperature classification and permissible ambient temperature range is
shown in the table below:
Temperature class
Electrical data
Versions:
a.)
With dual inductive proximity switch:
Contact circuit
(terminals 41/42, 51/52)
b.)
With inductive limit switch:
Contact circuit
(terminals 41/42, 45/46 and 51/52)
c.)
With electrical limit switch:
Contact circuit
(terminals 41/42/43, 44/45/46 and 51/52/53)
d.)
With solenoid valve module:
Contact circuit
(terminals 81/82, 83/84)
This Statement of conformity may be reproduced only in its entirety and without any changes, schedule.
Extracts or changes shall require the prior approval of the Physikalisch-Technische Bundesanstalt.
Ptb07Ex n.doc
EB 3776 ES
S c h e d u l e
Statement of Conformity PTB 02 ATEX 2007 X
Version U
N
T6
T5
T4
Statements of conformity without signature and seal are invalid.
Physikalisch-Technische Bundesanstalt., Bundesallee 100, D-38116 Braunschweig
6V
-45°C . . .70°C
Type of protection EEx nA II
Type of protection EEx nA II
Type of protection EEx nA II
Type of protection EEx nA II
– 48 –
12 V
24 V
60°C
80°C
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