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Verify that the cable jacket extends beyond the strain
relief and into the handle. Assemble the receptacle (or
inlet), the color coded gasket, the finger drawplate, and
the thin black drawplate gasket to the handle with the
four self-tapping screws provided. Adjust the cable loca-
tion so that it will not be under tension inside the handle
and tighten the compression nut to secure the cable.
Assembly for Mounted Receptacles (or Inlets)
In applications where DS or DSN receptacles (or
inlets) are mounted to wall boxes, panels or other
equipment, optimal operation is achieved when the
device is installed with the latch at the top and with
the force from the cable being exerted in a downward
direction opposite the latch.
Mount with the latching pawl at
the top to counteract the weight
and strain of the plug & cable.
Mount the receptacle
at a downward angle
whenever possible.
Insert the cable or wires through the wall box and cut
to allow adequate length, strip the cable sheath as
desired, strip the individual wires to the lengths indicated
in Table 3, and twist the strands of each conductor
together. Back out the terminal screws on the receptacle
(or inlet) far enough (but not completely) to allow the
conductors to pass, insert the conductors fully into
their respective terminals and hand tighten the terminal
screws to the torque indicated in Table 5.
Assemble the receptacle (or inlet) and the color-coded
gasket to the box with the appropriate hardware.
Assemble the mating plug (or receptacle) to the cord
end as indicated in the assembly instructions above
for in-line connections, except there will be no finger
drawplate or associated black gasket.
Hole Pattern for Custom Mounting
In applications where
custom mounting to a panel
or box is being performed,
the clearance and mounting
holes should be drilled as
C
indicated in the following
diagram and Table 6.
Table 6 - Custom Mounting Dimensions
'A'
'B'
Model
Inches mm Inches
DSN20 – Recept
2.00
51
1.65
DSN30
2.25
57
1.89
DSN60
2.50
64
2.17
DSN150
4.00
102
3.20
DS20
2.25
57
1.89
DS30
2.50
64
2.17
DS60 & DS100C
3.25
83
2.59
DS100
4.00
102
3.20
DS200
4.50
114
3.86
NOTICE: In order to maintain the Type 4X or IP 66 &
67 protection provided in custom installations, water-
tight seals should be used under the heads of the four
mounting bolts and they must be retained by a lock
washer and nut on the inside of the box or panel.
Alternatively, four blind holes may be drilled and
threaded to accommodate the mounting screws,
provided that the hole depth is sufficient to achieve
adequate gasket compression.
OPERATION
To ensure safe and reliable operation MELTRIC
plugs and receptacles must be used in
accordance with their assigned ratings.
MELTRIC plugs and receptacles can only be used in
conjunction with mating receptacles or plugs manu-
factured by MELTRIC or another licensed producer of
products bearing the
MELTRIC plugs & receptacles are designed with dif-
ferent keying arrangements, so that only plugs and
receptacles with compatible contact configurations
and electrical ratings will mate with each other.
Connection
To connect a plug and receptacle, first depress the pawl
to open the lid on the receptacle, then orient the plug as
shown in figure 1 so that the red dot on the outside of
the casing lines up with the red dot just to the left of the
latch on the receptacle casing. Push the plug partially
into the receptacle until it hits a stop, then rotate the
plug in the clockwise direction until it hits another stop
after about 30° of rotation. At this point, the circuit is
still open. Push the plug straight into the receptacle as
shown in figure 2 until it becomes securely latched in
place. The electrical connection is now made. On in-
line connectors, squeeze the drawplates on both sides
of the device together until the plug latches in place.
On the DS100, DSN150 & DS200 devices, an integral
mechanism provides easy connection of the plug to
the receptacle. With the DS100, DSN150, or DS200
plug partially inserted and rotated 30° so that it is po-
sitioned for connection, place the wire clamps around
the boltheads as shown in figure 3.
Wire clamp
around bolthead
B
To pull the plug into the receptacle, simply push the
handles back along the side of the receptacle and
then push the plug into the receptacle until the plug
B
is latched in place, as shown in figure 4. After
connection, the mechanism must be released to
allow disconnection of the device.
NOTICE: Additional instructions are provided for
some DS100 receptacle configurations and must be
'C'
followed in order to ensure that the closing mecha-
mm
Inches
mm
nism is set up to operate properly.
42
.19
5
Disconnection
48
.19
5
55
.19
5
To break the connection, simply depress the pawl
81
.22
5.5
as shown in figure 5 . This will break the circuit and
48
.19
5
eject the plug straight out to the rest, or off, position.
55
.19
5
The plug contacts are de-energized at this point. To
66
.22
5.5
remove the plug, rotate it counter-clockwise (about
81
.22
5.5
30°) until it releases from the receptacle as shown in
figure 6 . Close and latch the lid on the receptacle.
98
.28
7
Achieving Environmental Ratings & Watertightness
For devices rated Type 4, 4X, or 3R, use only
with mating devices having identical markings
to maintain enclosure rating of the mated pair.
technology trademark.
TM
2
1
3
4
5
6
Rated ingress protection applies to the device when
the plug and receptacle are mated and latched
together. It also applies to the receptacle when the
lid is latched closed.
Lockout Provisions
All DS and DSN plugs are provided with lockout
provisions. To lockout the plug, insert a locking device
through the hole provided in the casing. This will pre-
vent the plug from being inserted into a receptacle.
DS and DSN receptacles may be purchased with
optional lockout provisions and used with 5/16-inch
shank locks. To lockout the receptacle, close and
latch the lid and then attach the locking device
through the hole provided in the pawl. This will prevent
the lid from being opened for the insertion of a plug.
NOTICE: Attaching the receptacle locking device
with the receptacle lid open will not prevent the in-
sertion of a plug. Lockout of the receptacle is only
accomplished when the lid is locked closed.
MAINTENANCE
Before inspecting, repairing,
WARNING
or maintaining MELTRIC
products, disconnect electrical power to the receptacle
DANGER
to eliminate the risk of electrical shock.
CAUTION
MELTRIC products require little on-going mainte-
nance. However, it is a good practice to periodically
NOTICE
perform the following general inspections:
• Check the mounting screws for tightness.
ADVERTENCIA
• Verify that the weight of the cable is supported
DANGER
by the strain relief mechanism and not by the
terminal connections.
CAUTION
• Check the IP gaskets for wear and resiliency.
Replace as required.
AVISO
• Verify the electrical continuity of the ground circuit.
• Check the contact surfaces for cleanliness and pitting.
Deposits of dust or similar foreign materials can be
rubbed off the contacts with a clean cloth. Sprays
should not be used, as they tend to collect dirt. If
any significant pitting of the contacts or other serious
damage is observed, the device should be replaced.
Receptacle contacts may be inspected by a qualified
electrician. This should only be done with the power
off. It is accomplished by depressing the numbered
ring around the circumference of the interior on two
opposite points. This will allow the shutter to be
manually turned clockwise as required to permit
access to the contacts. Once the inspection is complete,
the shutter must be rotated counter-clockwise until it
is locked in the closed position.
MANUFACTURER'S RESPONSIBILITY
MELTRIC's responsibility is strictly limited to the
repair or replacement of any product that does not
conform to the warranty specified in the purchase
contract. MELTRIC shall not be liable for any penal-
ties or consequential damages associated with the loss
of production, work, profit or any financial loss incurred by
the customer.
MELTRIC Corporation shall not be held liable when
its products are used in conjunction with products not
bearing the
technology trademark. The
TM
devices that are not marked with the
nology trademark shall void all warranties on
the product.
MELTRIC Corporation is an ISO 9001 certified company. Its
products are designed, manufactured and rated in accordance
with applicable UL, CSA and IEC standards. MELTRIC designs
and manufactures its products in accordance with Marechal key-
ing standards established to ensure intermatablility with similarly
rated products manufactured by Marechal Electric Group.
tech-
TM
INSDS/DSN V
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