DIN SURGE DIVERTER
INSTALLATION INSTRUCTIONS
2003 ERICO
Inc,
34600 Solon Rd, Solon, OH 44139
Phone (440) 248-0100
Fax (440) 519-1675
Page 1 of 2
1. PREPARATION
DANGER
:
Electrical shock or burn hazard. Qualified
personnel should only install this product. Failure to
lockout electrical power during installation or
maintenance can result in fatal electrocution or severe burns.
Before making any connections to this electrical panel please
ensure that power has been removed from all associated
wiring, electrical panels, and other electrical equipment.
CAUTION NOTES
:
1. The installation of this DIN Surge Diverter (DSD) should
follow all applicable national electrical codes.
2. Check to ensure that the power frequency line voltage
does not exceed the maximum continuous operating
voltage U
c
of the DSD.
3. Prior to installation, ensure that the DSD is of the correct
voltage, current, and frequency.
4. The ground (earth) terminal must be connected to a low
impedance earth (<10 ohms) for correct operation.
5. Do not perform a “Flash Test” or use a Megger to test
circuits that are protected with these DSD units. This may
damage the DSD(s) and affect the insulati on readings
being performed.
6. Follow all instructions to ensure correct and safe
operation and observe nationally recognized codes of
authorities having jurisdiction.
7. Do not attempt to open or tamper with the DSD unit in any
way as this may compromise perfo rmance and will void
warranty.
2. INTRODUCTION
The DIN Surge Diverter (DSD) series has been designed to
provide one mode of protection to single-phase power
distribution systems. Units can be connected (L-N), (L-G) or
(N-G) depending on the type of power distribution system.
Multiple DSD units can be used to provide multi -modes of
protection or to protect three-phase distribution systems.
When protecting three phase systems, it is also possible to
use the purpose designed three-phase DSD series.
DSD units are available with maximum continuous operating
voltages
U
c
of: 150V, 275V and 440V for the protection of
distribution systems with nominal RMS voltages of 120Vac,
240Vac and 380Vac, respectively. DSD units may also be
used to protect DC power systems – ref. Table 1.
3. QUICK INSTALLATION OVERVIEW
Please follow the sequence indicated:
1. First, ensure that power is removed from the area and the
circuits to be connected.
2. Install earth leakage protection (RCD) if appropriate or
where required by national codes and authorities having
jurisdiction. Note: When connecting surge protection L-G it
is preferable to install the device before the RCD to avoid
“nuisance tripping” which may occur when the SPD
operates.
3.
Connect wiring to the two primary terminals indicated.
4.
Connect the alarm terminals (“R” models only) if remote
monitoring is required.
5.
Apply power and observe correct operation of the DSD and
status indication.
4. MOUNTING
DSDs are designed to clip to 35mm (top hat) DIN rails
(standard EN50022) set in the horizontal position with the
DSD securing clips towards the bottom of the rail and the
label text facing the correct way up.
NOTE:
DSD modules must be installed in an enclosure or
switch board panel in such a way that :
PRODUCT SERIES
DSD140-1S(R)-xxx
