NOTICE:
Do not attempt to operate the SP device
until the receptacle is mounted. The mounting bolts
must be in place to maintain alignment of compo-
nents and compression against the panel or handle is
required to maintain assembly.
SP series plugs and receptacles feature different
mechanical keying of L1, L2, L3, N, and G. Mating
plug/receptacle combinations are color coded for
easy identification.
SP series plugs and receptacles are not intended
to be connected or disconnected under load.
The pilot circuit must be used to control the
power circuit.
The pilot circuit can only be turned ‘on’ when the
plug is engaged and the plug can only be removed
when the pilot curcuit is in the ‘off’ position. For
safety, MELTRIC recommends the following connec-
tion sequence: Ground, Neutral, Phase 1, Phase 2,
Phase 3.
Connection
Insert the plug straight into the receptacle until a
‘click’ is heard. Figure 1 The plug and its flexible
cable must not exert force on the receptacle.
Pull on the plug to make sure it is properly latched
in the receptacle. Figure 2 A small rotation of the
plug, in either direction, engages the locking finger on
the receptacle to prevent any further rotation.
To close the pilot circuit and mechanically lock the
plug into the receptacle, turn the ring on the recep-
tacle until the “1” lines up with the arrow across from
the release button. Figure 3
Do not attempt to turn the ring towards “1”
when there is no plug engaged. Defeating the
mechanical lock could create a potentially
hazardous condition if energized under load.
Disconnection
To open the pilot circuit and unlock the plug, turn the
ring back until the “0” is aligned with the arrow.
Figure 4 This action signals the controller to switch
off the power and unlocks the plug. To remove the
plug, press firmly on the latch release button and
simultaneously pull on the plug. A slight rotation of
the plug may be required before it can be removed.
Achieving rated watertightness
Rated IP66/67 watertightness to is achieved when
the plug and receptacle are mated. When discon-
nected, the receptacle cap must be fully inserted with
the slot in the cap aligned with the protruding ‘button’.
The plug cap must be pressed firmly into place.
NOTICE:
Proper steps must be taken to maintain
watertightness at threaded connections on the plug
handles or at the junction box. The use of a sealer
tape is recommended.
MAINTENANCE
WARNING:
Before inspecting, repairing, or maintain-
ing MELTRIC products, disconnect electrical power to
the receptacle to eliminate the risk of electrical shock.
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 contact surfaces for cleanliness
and pitting.
Use a clean cloth to rub off deposits of dust or similar
foreign materials on the contacts and the plug interiors.
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.
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 penalties or
consequential damages associated with the loss of
production, work, profit, or any other kind of 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 use
of MELTRIC products in conjunction with mating devic-
es that are not marked with the
™
technology
trademark shall void all warranties on the product.
MELTRIC Corporation
is an ISO 9001 certified com-
pany. 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 keying
standards established to ensure intermatablility with
similarly rated products manufactured by Marechal
Electric Group.
4
3
1
2
Latch
Release
Button
INSSP F
