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Table 5 - Custom Mounting Dimensions
A
B
Device
Inches mm Inches mm Inches mm
DX1
4.3
109
3.62
DX3
4.3
109
3.62
DX6
5.9
150
4.80
DX9
5.9
150
4.80
OPERATION
To ensure a safe and reliable operation,
MELTRIC's DX Series plugs & receptacles
must be used in accordance with their as-
signed electrical and Ex ratings, as well as their IP
ratings according to IEC/EN 60309-1.
WARNING
They can only be used in conjunction with mating
receptacles or plugs manufactured by MELTRIC or
DANGER
another licensed producer of products bearing the
technology trademark.
CAUTION
MELTRIC plugs & receptacles are designed with
different keying arrangements so that only plugs and re-
ceptacles with compatible contact configurations and
NOTICE
electrical ratings will mate with each other. When not
in use, the receptacle is shielded by a protective lid to
prevent the entry of dust and moisture. This is held in
the closed position by a latch.
Connection
To connect a plug and receptacle, first depress the
pawl to release the lid on the receptacle, then orient
the plug so that the colored mark on the outside ridge
of the plug casing lines up with the Ø or unlock sym-
bol on the receptacle casing. Push the plug in par-
tially into the receptacle until it hits a stop Fig. 1. At
this point, the circuit is still open. To close the circuit,
turn the plug clockwise Fig. 2 until it hits another
stop after about 30° of rotation. Fig 3.
NOTICE: When making a connection, ensure that
the plug latch is secured behind the catch on the
pawl. A properly connected plug cannot be pulled out
of the receptacle.
1
2
Disconnection
To break the connection, depress the pawl and rotate
the plug counterclockwise about 30° until it hits a
stop. At this point, the electrical circuit is open. To
fully remove the plug, depress the pawl and pull the
device straight out. The self-closing lids on the re-
ceptacles may need to be manually latched to ensure
optimal environmental ratings.
Achieving Rated Watertightness
MELTRIC's DX Series plugs & receptacles have an
IP65 rating for protection against ingress of water,
dust and other matter. IP65 provides total protection
against dust and water jets. These ratings apply when
the plug and receptacle are mated. They also apply
to the receptacle alone, provided that its lid is latched
in the closed position. Optional plug caps are avail-
able for providing IP65 protection on unmated plugs.
LOCKOUT PROVISIONS
C
All DX receptacles are provided with padlocking
92
1/4
M6
lockout provisions. To operate, insert the 3 hole shaft
92
1/4
M6
through the hole under the receptacle pawl. Place
122
5/16
M8
user supplied lock or lockout hasp through one of the
122
5/16
M8
holes. This system may be used to lock mated de-
vices together to prevent unintended disconnection or
to prevent mating of devices by locking the receptacle
lid closed.
NOTICE: Attaching the receptacle locking device with
the lid open will not prevent the insertion of a plug.
Lockout is only accomplished when the lid is locked
closed.
MAINTENANCE
WARNING
products, disconnect electrical power to the recep-
DANGER
tacle to eliminate the risk of electrical shock. Any
replacement of DX components must be performed
CAUTION
under the control of the manufacturer: MELTRIC
Corporation.
NOTICE
MELTRIC products require little on-going mainte-
nance. However, it is a good practice to periodically
perform the following general inspections:
• Check the mounting screws for tightness.
• Verify that the weight of the cable is supported
by the strain relief mechanism and not by the
terminal connections.
• Check the IP gaskets for wear and resiliency.
Replace as required.
• Verify the electrical continuity of the ground circuit.
• Check the inlet contact surfaces for cleanliness
and pitting.
3
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.
DX Series plugs/receptacles use the
technology. They have been designed, manufactured
and controlled in a strict respect of the relevant inter-
national and European standards, laws and directives,
and particularly of the European ATEX Directive.
They bear the CE marking whenever applicable.
They also bear the markings of their explosion-proof (Ex)
classification.
Note: The CE marking does not apply to spare parts
Before inspecting, repairing,
and components supplied separately.
or maintaining MELTRIC
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
use of MELTRIC products in conjunction with mating
devices that are not marked with the
technology 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 intermateablility with similarly
rated products manufactured by Marechal Electric Group.
DECLARATION OF CONFORMITY
MANUFACTURER'S RESPONSIBILITY
technology trademark. The
INSDX I
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