Marechal Electric Meltric PN20 Operating Instructions

ENGLISH OPERATING INSTRUCTIONS
PN20/PNHT/PN7C
©2024 MELTRIC Corporation. All rights reserved.
meltric.com
g GENERAL
PN Series Standard Duty plugs and receptacles are designed to offer superior safety,
durability and consistent, electrical contact performance. Please follow the instructions
below to ensure the proper installation, operation and maintenance of this product.
WARNING
DANGER
death. These instructions must be followed to ensure the safe and proper installation,
operation and maintenance of the MELTRIC devices. Before installation, disconnect all
CAUTION
sources of power to the circuit to eliminate the risk of electrical shock.
NOTICE
g RATINGS
ADVERTENCIA
MELTRIC's PN7c and PN20 plugs & receptacles are listed in accordance with UL 1682,
DANGER
CSA 22.2 No. 182.1 and IEC 60309-1. The amperage, voltage and environmental ratings
CAUTION
are indicated in Table 1.
AVISO
Current
Interrupting
Non-Current
Interrupting
Voltage
Frequency
Environmental
*15 A above 480 VAC
g INSTALLATION
PN Series plugs and receptacles should be installed by a qualified person in
accordance with all applicable local and national electrical codes.
Before starting, verify that the power has been disconnected, all product ratings
are appropriate for the application and the conductors meet code requirements and
are within the capacities of the terminals noted in Table 2.
WARNING
DANGER
Model
PN20
CAUTION
PNHT
PN7c
NOTICE
*Capacity is based on THHN wire sizes.
ADVERTENCIA
General Notes & Precautions
DANGER
1. This product must be installed by certified personnel.
CAUTION
2. NOTICE: Do not tin terminal wire ends.
3. NOTICE: Do not use moisture repellent sprays on the contacts.
AVISO
4. Do not back terminal screws fully out.
5. Self-tapping screws are provided for use with some polymeric accessories. High
torque may be required to drive them in. NOTICE: Once they are seated, care
should be taken in order to avoid over-tightening them against the plastic material.
6. NOTICE: MELTRIC threaded handles come with tapered style threads. The use of
fitting seal tape is required to maintain watertightness of all NPT fittings and joints.
7. Various handles and cord grip options may be used. These instructions are based
on handles provided with integral multi-layer bushing cord grips.
8. If the plug and receptacle are stainless steel then stainless steel accessories must
be used.
g ENVIRONMENTAL
Optimum operating conditions are achieved by installing IP66 /IP67 plugs and
receptacles with the latch at the top.
NOTICE: To prevent water ingress, non-watertight plugs/receptacles must always face
downwards when not mated.
Wire Strip Length
Wire strip lengths are indicated in Table 3. Strip lengths for cable sheathing will depend
on the specific application. When used with handles, the cable sheathing should extend
into the handle to ensure secure cord gripping.
Device/Contact Inches
PN20
PNHT
PN7c
Terminal Screw Tightening Torques
The wiring terminals are spring-assisted to prevent loosening due to wire strand
settlement, vibration and thermal cycling. NOTICE: Avoid over-tightening. Appropriate
tools and tightening torques are indicated in Table 4.
Device/Contact
PN20
PNHT
PN7c
Wiring the Terminal Connections
Verify that power has been disconnected prior to wiring the conductors to the
plug and receptacle. Wiring must be made according to all applicable local and
national electrical codes. Check that the rating is correct for the installation.
WARNING
Follow the conductor-coding and terminal markings detailed in Table 5.
DANGER
WARNING: This product must be electrically grounded. A grounding terminal is
provided on all metal accessories, with a green screw and a washer.
CAUTION
For Screw Type Terminals
NOTICE
Insert cable through handle and strip cable jacket to adequate length. The cable jacket
ADVERTENCIA
should extend at least 1/2" into handle. Back out terminal screws only far enough
DANGER
for conductor to clear. Strip each conductor per Table 3. Twist the strands of each
conductor together and insert fully into the terminal. Tighten terminal screws to torques
CAUTION
indicated in Table 4.
AVISO
Terminal ID
"G", "E" or GND
"N"
PN20/PNHT Models
"1" or "R1" (Black)
"2" or "S2" (Red)
"3" or "T3" (Blue)
PN7c Model
"1" to "6"
g ASSEMBLY
Verify power has been disconnected prior to assembly.
For In-Line Connections
Insert the cable through the handle and gasket. Strip the cable jacket to provide a WARNING
workable wire length, being mindful that the jacket must extend into the handle to
DANGER
achieve a secure grip. Then strip the wires to the lengths indicated in Table 3. When
applicable back out the terminal screws far enough (but not completely) to allow the
CAUTION
conductors to pass. Insert the conductors fully into their respective terminals and hand
tighten to the torques indicated in Table 4.
NOTICE
ADVERTENCIA
DANGER
CAUTION
AVISO
Compression
For Mounted Receptacles/Inlets
Insert the cable through the wall box and cut to allow adequate length. Strip the cable jacket
to allow a workable wire length. Strip the individual cables to the lengths indicated on Table
3. When applicable back out the terminal screws far enough (but not completely) to allow
the conductors to pass. Insert the conductors fully into their respective terminals and hand
tighten to the torques indicated in Table 4. Assemble the receptacle/inlet and the color
gasket to the box with the appropriate hardware.
Hole Pattern for Custom Mounting
In applications where custom mounting to a panel or box is desired, the clearance and
mounting holes should be drilled as indicated in the following diagram and Table 6.
Model
PN20
PNHT
PN7c
NOTICE: In order to maintain the IP protection provided by PN models in custom
installations, watertight 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.
g OPERATION
To ensure safe and reliable operation, MELTRIC
used in accordance with their assigned ratings.
MELTRIC
® plugs & receptacles can only be used in conjunction with mating receptacles
WARNING
or plugs manufactured by MELTRIC
DANGER
technology trademark. MELTRIC
the
with different keying arrangements, so that only plugs and receptacles with compatible
CAUTION
contact configurations and electrical ratings will mate with each other.
NOTICE
Connection
ADVERTENCIA
DANGER
CAUTION
AVISO
Disconnection
Screw: Plug inserted or cap closed, turn the 5 /16" screw with an Allen key until it
reaches the bottom. NOTICE: Do not over tighten.
g MAINTENANCE
WARNING
DANGER
CAUTION
MELTRIC
products require little on-going maintenance. However, it is a good practice
®
to periodically perform the following general inspections:
NOTICE
ADVERTENCIA
• Check the mounting screws for tightness.
DANGER
• Verify that the weight of the cable is supported by the strain relief mechanism
CAUTION
and not by the terminal connections.
AVISO
• Check the IP gaskets for wear and resiliency. In wet/wash-down
environments, the gaskets should be inspected periodically (6 months) for wear
and hardness. Replace gaskets as needed.
• Verify the electrical continuity of the ground circuit every 6 months.
• Check the contact surfaces for cleanliness and pitting.
Deposits of dust or debris can be rubbed off the contacts with a clean cloth.
NOTICE: Under no circumstances should the contact surfaces be filed since this will
remove the silver-nickel, butt-contact tip and degrade the contact consistency.
Sprays should not be used since 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 qualified personnel. This should only be
done with the power disconnected. Any repair or service must be performed with
genuine MELTRIC
g 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 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
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 / 4765 W. Oakwood Park Drive Franklin, WI 53132
Tel. : 800 433 7642 / Fax : 414 433 2701 / e-mail : mail@meltric.com
A manufacturer of products using Marechal technology
MODE D'EMPLOI
INSTRUCCIONES
There are inherent dangers associated with electrical products.
Failure to follow safety precautions can result in serious injury or
Table 1 - General Ratings
PN7c
480VAC/
130VDC
50-400 Hz
IP66/IP67
Table 2 — Wiring Terminal Capacity* (in AWG)
Table 3 - Wire Strip Lengths – Dimension A
Table 4 - Terminal Screw Tightening Torques
Torque
in-lbs
8
8
8
Table 5 - Conductor Coding and Terminal Markings
Bushing
Strain
Relief
Nut
C
Table 6 - Custom Mounting Dimensions
'A'
Inches
2
2
2
®
To open the circuit and remove the plug, 3. press the
pawl, apply inward force and 4. rotate the plug 20°
clockwise (CW). The plug can be safely withdrawn from
the receptacle. The plug contacts remain shrouded until
after the circuit is disconnected. Close protective plug
cap to prevent contamination by dirt, dust or other debris.
LOCKOUT PROVISIONS
The receptacle lid can be locked with a locking pawl
except PNHT.
Before inspecting, repairing, or maintaining MELTRIC
disconnect electrical power to the receptacle to eliminate the risk of
electrical shock.
® parts only.
PN20
15 A 20 A*
- 30 A
600VAC
50-400 Hz
IP66/IP67
IP54/IP55
Wire Size Min
14
14
18
Receptacle
mm
3/ 8 10
3/ 8 10
5 /16 8
Required Screwdriver or
N-m
0.9 3 mm or 1/8" precision tip
0.9 3 mm or 1/8" precision tip
0.9 3 mm or 1/8" precision tip
Function
Green equipment grounding conductor
only (or green with yellow stripe).
White or gray, system ground
(neutral conductor only "N")
"Hot" conductors, no specific lettered terminal
applies to any specific colored conductor
"Hot" conductors, no specific lettered terminal
applies to any specific colored conductor
Color-Coded
Handle
Gasket
B
'B'
mm Inches
50 1.65
50 1.65
50 1.65
or another licensed producer of products bearing
® plugs & receptacles are designed
To connect, open the protective plug cap,
align the red dots on the plug and receptacle
bodies, 1. insert plug into receptacle,
apply force and 2. rotate the plug 20°
counterclockwise(CCW). The contacts will
mate and the circuit will close.
PNHT
-
30 A
480VAC/
130VDC
50-400 Hz
IP44
Wire Size Max
8
8
10
Plug/Inlet
Inches mm
3 /8 10
3 /8 10
5 /16
Allen Wrench
Receptacle (or Inlet)
B
'C'
mm Inches
42 0.19
42 0.19
42 0.19
plugs and receptacles must be
®
technology trademark. The use
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p
INSPN P
8
mm
5
5
5
® products,
®
INSPN P