1
Installation & Maintenance
Power Line Surge Protector
Model SP-37
INTRODUCTION
The SP-37 is a secondary surge protector des
i
gned to be mounted on a load center at the power
service entrance
.
It offers a gap-type arrestor and is easily wired into exist
i
ng systems
.
It has
no exposed terminals.
INSTALLATION
The SP-37 must be mounted horizontally as shown.
•
Never mou
n
t the SP
-
37 vertically
.
The ar
r
estor may not "clear" properly if mounted in the vertical position.
•
The SP-37 should never be mounted w
i
th the
vent holes obstructed.
•
This un
i
t is only for use in area
s
pro
t
ected from the
w
ea
th
er
, such
as
in
s
ide
a
bung
a
low or
eq
uipm
e
nt
ca
s
e
.
•
Never install on the
"l
ine" side of a branch breaker on a load
cen
t
er.
WHITE
022701-29X
BLACK
010900-53X
RED
010802-7X
Siemens Industry, Inc., Rail Automation
2400
N
e
lson
Pkwy., Louisville KY
I&M 010836-7
Revised 11/95, 6/00, 8/14
Doc. No.: SIG-00-00-09 Version A.1
