Page 1
High Amperage
PF/PFQ
Main Advantages
u Durable in harsh environments
u Safety features provide maximum protection
u Easy plug insertion and removal
Plug and Receptacle
121
Watch the PF video and
other product videos at
meltric.com/video
u Features and Ratings
u PF/PFQ 300-600 A
u PF/PFQ Lugs
u Spare Parts
u Dimensions
p. 122
p. 123
p. 125
p. 127
p. 128
PFQ300 devices are differentiated
!
from similarly rated PF300 devices
in their smaller size, lighter weight
and additional pilot contacts.
Page 2
PRODUCT FEATURES
T
Operating
Instructions
Auxiliary Pilot Contacts
Provided for use with control
circuits. They close after and
open before the phase contacts.
Casing
Epoxy/powder coated
aluminum material offers
great resistance to harsh
environments.
Mechanical Locking System
Ensures safety and watertightness.
Mechanical lock secures the inlet
to the receptacle and engages the
auxiliary/pilot contacts.
Silver Pressure Contacts
Silver material and self-cleaning
action provides maximum
conductivity and performance in
dirty and corrosive conditions.
Safety Shutter
Protects recessed female
contacts and inhibits user
access to live parts.
1
PF devices are preferred for
the ease of operation relative
to pin and sleeve devices.
2
Insert the plug into the
receptacle – this is done with
little resistance relative to
competitive devices.
General Ratings Listings
Amperage 300 to 600 A
+
Voltage
Frequency 50-60 Hz (not UL at 50 Hz)
Environmental IP66/IP67
Temperature min -40°F/max 140°F
600 VAC max for PFQ devices
*
+
IUL listings do not apply above 600 VAC and 250 VDC.
Highlighted Feature
1000 VAC*, 1000 VDC Max
Pilot Contacts
Category UL CSA
Plugs and Receptacles UL 1682 C22.2 No. 182.1
* Listings only apply to 300 A and 400 A devices at 600V or less.
Twist plug approximately
30° clockwise to engage the
phase contacts and make unit
watertight.
3
4
Turning the mechanical lock
COIL
LINE
PILOT CIRCUIT
POWER
SWITCH ETC.
Category PF PFQ
# Contacts 4 8
Pilot Amperage 10 A standard duty 5 A @ 240VAC
Interlocking Type Mechanical Mechanical
Terminal Type Screw Solder/crimp
Notes: • The mechanical locking of the plug to the receptacle
via the rotation of a cam, closes the pilot contacts.
• Failure to use a pilot/relay system can create an electrical
shock hazard.
secures the inlet to the
receptacle and engages the
pilot contacts which energize
the circuit.
5
To disconnect, turn
mechanical lock to disengage
ontacts and de-energize
pilot c
the circuit. Twist plug 30°
counterclockwise to disengage
th e phase contacts, withdraw plug.
PHASE
A
PF/PFQ
INLET/PLUG
O
B
LOAD
C
MALE PILOT
CONTACTS
JUMPER 2 PILOT
CONTACTS TO
COMPLETE CIRCUIT
NOTE:
ROTATE RECEPTACLE LOCKING
CAM TO ENGAGE PILOTS
PF/PFQ
RECEPTACLE/
CONNECTOR
FEMALE PILOT
CONTACTS
Line diagram of typical PF pilot control circuit
A
B
C
PILOT CIRCUIT
CONTACTOR
OR
BREAKER WITH
UNDER VOLTAGE
TRIP
For multiple devices in a parallel circuit, contact factory for example
control circuit diagrams.
HIGH AMPACITY
122
Page 3
PF/PFQ High Ampacity Plugs & Receptacles
UL/CSA Ratings
• Max Amperage & Voltage
PF = 600 A, 1000 VAC*, 250 VDC
PFQ = 300 A, 600 VAC, 250 VDC
• Current Interruption Capability
Not for current interrupting
• Environmental Ratings
IP66/IP67
• Temperature Range
Min -40°F/ Max 140°F
8 for temps below -15°F.
See pg 25
• Wiring Capacity
PFQ = 2 AWG to 600 MCM
PF = 2 AWG to 600 MCM
• Certifications
UL 1682*, CSA 182.1*
* Listings apply only to 300 A & 400 A
devices at 600V or less
PF/PFQ devices are not intended
for connection or disconnection
!
under load. To prevent live
making or breaking electrical
interlocking is required.
300 A- 600 A
Receptacle/Cap
300 A (female)
Don’t forget to add installation
accessories to your order
!
North American UL/CSA Congurations
Voltage Polarity
277V
347V
480V
480V
480V
480V
600V
600V
600V
600V
PFQ300 devices are differentiated from similarly rated PF300 devices in their smaller size, lighter weight and different pilot contacts.
**
1P+N+G 47-34045 49-34045 47-38045 49-38045
1P+N+G 47-34145 49-34145 47-38145 49-38145
2P+G 47-34042 49-34042 47-38042 49-38042
2P+N+G 47-34046 49-34046 47-38046 49-38046
3P+G 47-34043 49-34043 47-38043 49-38043
3P+N+G 47-34047 49-34047 47-38047 49-38047
2P+G 47-34142 49-34142 47-38142 49-38142
2P+N+G 47-34146 49-34146 47-38146 49-38146
3P+G 47-34143 49-34143 47-38143 49-38143
3P+N+G 47-34147 49-34147 47-38147 49-38147
PFQ 300** PF300 PFQ 300** PF300
PFQ shown PFQ shown
Part # Part #
Inlet/Cap
300 A (male)
Main Options Part #
Receptacle
with no cap
Receptacle
with lockout
hole
Inlet with no
cap
Inlet with
lockout hole
Notes: • Metal caps are provided
as standard with inlets/plugs and receptacles.
• Heat shrink wrap is provided with each
inlet and receptacle to provide insulation
between terminals.
• Lugs are not included. The PF and
PFQ contacts utilize bolt-on lug type wire
terminals, which require a compression lug
with a 9/16” or 5/8” hole. The angled handle
requires straight lugs; the straight handle
requires 90° lugs.
See pages 235-244 for detailed
information on these options
!
123
Recept # - 48
Recept # - 843
Inlet # - 48
Inlet # - 843
400 A/600 A (female)
North American UL/CSA Congurations
Voltage Polarity
277V
347V
480V
480V
480V
480V
600V
600V
600V
600V
1P+N+G 49-44045 49-64045 49-48045 49-68045
1P+N+G 49-44145 49-64145 49-48145 49-68145
2P+G 49-44042 49-64042 49-48042 49-68042
2P+N+G 49-44046 49-64046 49-48046 49-68046
3P+G 49-44043 49-64043 49-48043 49-68043
3P+N+G 49-44047 49-64047 49-48047 49-68047
2P+G 49-44142 49-64142 49-48142 49-68142
2P+N+G 49-44146 49-64146 49-48146 49-68146
3P+G 49-44143 49-64143 49-48143 49-68143
3P+N+G 49-44147 49-64147 49-48147 49-68147
Receptacle/Cap
Part # Part #
PF400 PF600 PF400 PF600
Inlet/Cap
400 A/600 A (male)
Page 4
INSTALLATION ACCESSORIES – SIZE C & F
PF/PFQ
METAL STRAIGHT HANDLE Part #
PF shown
HANDLES
Standard
Clamp shown
Metal Angled Handle
PF shown
Standard
Clamp shown
NPT Adapter NPT Size XXX (Suffix #)
Standard Clamp w/Cable Range
PFQ300 0° 47-3A013-XXX
PF300 0° 49-3A013-XXX
PF400 0° 49-4A013-XXX
PF600 0° 49-6A013-XXX
PFQ300 90° 47-3A913-XXX
PF300 90° 49-3A913-XXX
PF400 90° 49-4A913-XXX
PF600 90° 49-6A913-XXX
2.0” -N20
2.5” -N25
3.0” -N30
2.000 - 2.125” -200
2.125 - 2.250” -225
2.250 - 2.375” -237
2.375 - 2.500” -250
2.500 - 2.750” -275
2.750 - 3.000” -300
3.000 - 3.125” -312
3.125 - 3.350” -335
3.350 - 3.577” -350
For available cord
grips, see page 167.
METAL JUNCTION BOX Part #
BOXESMISCELLANEOUS ACCESSORIESWEIGHTS
3
* 7.0 in
Hub Sizes Fitting Size XX (Suffix #)
STAINLESS STEEL JUNCTION BOX PFQ PF
24”x16”x8”
STAINLESS STEEL JUNCTION BOX PFQ PF
36”x16”x12”
PFQ300 See table MB40PFQ-XX
PF300 See table MB40-XX
PF400 See table MB40-XX
PF600
2.0” -20
2.5” -25
3.0” -30
3.5” -35
4.0” -40
2.0” 47-4A023-N020 49-6A023-N020
2.5” 47-4A023-N025 49-6A023-N025
3.0” 47-4A023-N030 49-6A023-N030
4.0” 47-4A023-N040 49-6A023-N040
2.0” 47-4A023-N520 49-6A023-N520
2.5” 47-4A023-N525 49-6A023-N525
3.0” 47-4A023-N530 49-6A023-N530
4.0” 47-4A023-N540 49-6A023-N540
See table
MB40-XX
This box is a heavyduty powder coated
Aluminum back box
with removable cover.
Conduit entry hub up to
4” NPT can be ordered
on one or both ends or
even on the back of the
enclosure. Multiple
hubs and sizes can
be ordered for installs
with parallel entry’s on
one end of the box.
These enclosures offer
additional interior volume
for extra wiring space.
Both size enclosures
have two removable
covers and a one piece
back pan installed for
customer convenience.
Conduit entry up to
4” NPT is limited to
the bottom of the
enclosure.
HIGH AMPACITY
Accessory Spotlight
NPT Adapter
NPT Adapter
Straight or
Angled Handle
A NPT adapter accessory allows the
user to connect a third party cord
grip to the PF/PFQ handle.
Cord Grip w/Mesh
(not included with
adapter)
INLET METAL CAP
PFQ300 47-3A126
PF300 49-3A126
PF400 49-4A126
PF shown
RECEPTACLE METAL CAP
PART PF PFQ
Inlet
Receptacle 25 lbs 12 lbs
Angled Handle 15 lbs 12 lbs
Straight Handle 10 lbs 10 lbs
Junction Box 45 lbs 45 lbs
Cap 3 lbs 3 lbs
Stainless Steel Box 85 lbs 55 lbs
PF600 49-6A126
PFQ300 47-3A925
PF300 49-3A925
PF400 49-4A925
PF600 49-6A925
15 lbs 9 lbs
124
Page 5
PF/PFQ High Ampacity Plugs & Receptacles
300 A- 600 A
Straight Barrel Lugs
MELTRIC recommends using
lugs with tangs that do not
!
exceed 1 3/4”.
Lugs are not included with PF/
PFQ devices - order separately
!
Part # Wire Size
PFLUG4 4 AWG
PFLUG3 3 AWG
PFLUG2 2 AWG
PFLUG1 1 AWG
PFLUG10 1/0 AWG
PFLUG20 2/0 AWG
PFLUG30 3/0 AWG
PFLUG40 4/0 AWG
PFLUG250 250kcmil
PFLUG300 300kcmil
PFLUG350 350kcmil
PFLUG400 400kcmil
PFLUG500 500kcmil
PFLUG600 600kcmil
PFLUG650 650kcmil
Application Note
Installation Accessory: Angled Handle
Straight Barrel Lugs are utilized on PF/
PFQ devices along with angled handles.
125
Typical wiring of a PF
male inlet for angled
handle applications.
Apply heat shrink over lungs
!
at terminals (supplied but
not shown).
Receptacle shown
Page 6
90° Bent/Angle Lugs
Lugs are not included with PF/
PFQ devices - order separately
!
MELTRIC recommends using
lugs with tangs that do not
!
exceed 1 3/4”.
PF/PFQ
Part # Wire Size
PFLUG4-90 4 AWG
PFLUG3-90 3 AWG
PFLUG2-90 2 AWG
PFLUG1-90 1AWG
PFLUG10-90 1/0 AWG
PFLUG20-90 2/0 AWG
PFLUG30-90 3/0 AWG
PFLUG40-90 4/0 AWG
PFLUG250-90 250kcmil
PFLUG300-90 300kcmil
PFLUG350-90 350kcmil
PFLUG400-90 400kcmil
PFLUG500-90 500kcmil
PFLUG600-90 600kcmil
Application Note
Installation Accessory: Straight Handle
90° Bent Lugs are utilized on PF/PFQ
devices along with straight handles.
HIGH AMPACITY
Typical wiring of a PF
male inlet for straight
handle applications.
Apply heat shrink over lungs
!
at terminals (supplied but
not shown).
Inlet shown
126
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