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Home > Store > Pump Control Lead-Lag Combination > NEMA Size 2, 15 HP @ 200 VAC, 15 HP @ 230 VAC, 30 HP @ 460 VAC, 40 HP @ 575 VAC, UL Type 4 Enclosed

NEMA Size 2, 15 HP @ 200 VAC, 15 HP @ 230 VAC, 30 HP @ 460 VAC, 40 HP @ 575 VAC, UL Type 4 Enclosed

Product #:  APX4-50-J-G125-80
Brand:  Franklin Control Systems / Cerus Industrial

Duplex Pump Controller with Lead-Lag and Alternation
Combination (Manual Motor Starter Disconnect is standard, Circuit Breaker Disconect is optional)
3 Pole, 50 Amp, NEMA Size 2 Contactor,
1 or 3 Phase (Specify when ordering)
50kAIC @ 460 VAC

7 to 10 business days to ship except as noted below for special options.

UL Type 4 Steel Enclosure
(Indoor or outdoor use to provide a degree of protection against falling rain,
splashing water, and hose-directed water; undamaged by the formation of
ice on the enclosure.)

Provision for three, four, or five float switch control:
Stop, Lead Pump Start, Lag Pump Start, High Level Alarm,
plus optional Low Level Alarm.

Lag pump start delay is adjustable with Timer TM1 for 3 to 60 seconds.

Automatic alternation at every start with Timer TM2 in OFF position.
Automatic alternations are programmable for up to seven days by Timer TM2 .

PLC based.
Fault (FR1 and FR2 Relays) and Alarm (AR1 Relay) contact outputs are available for use with external devices.
Control Power Transformer, 120 VAC Secondary.
Full Voltage, Non-reversing.

Mounted on the door:
Two (2) HAND-OFF-AUTO Switches, one for each pump
Two (2) ON light (Green), one for each pump
One (1) ALARM light (Red), high level and float switch

Internal features:
Lag pump automatically replaces failed Lead pump.
Adjustable time for Lag Start delay up to 60 seconds.
LED indicator for float switch failure - identifies the specific float switch.
Provision for customer supplied enable switch with the removal of Jumper JE1.

Electronic Overload Relay for each motor, Model CRP.
(For power wiring, see below attached Duplex Motor Wiring).

Float switches are not included.

Available options:
APX-RST Door Mounted Overload Reset Pushbuttons
APX-DHM Digital Hour Meters 120 VAC, one for each meter
APX-BCN Top Mount Alarm Beacon Light, 120 VAC
APX-HRN Door Mounted Horn with Silence Pushbutton, 120 VAC
APX-BZR Door Mounted Buzzer with Silence Pushbutton, 120 VAC
APX-LSR Leak Seal Relays, 120 VAC (Motor seal failure relay for each pump - Motor should have a resistive float switch or probe)
APX-STR Leak Seal Relays, High Temp, 120 VAC (Motor seal failure relay for each pump - Motor should have a resistive float switch or probe)
APX-FPL Door Mounted Fault Lights
Lightning Arrestor
Circuit Breaker Disconnect

Available options at additional cost and longer than 7 to 10 days to ship:
Larger than Size 3 Starter
UL Type 4X Enclosure
Explosion-Proof Enclosure

Overload Relay Model CRP-80
Adjustable Trip Amps from 16 to 80 Amps, no heaters required.
Solid-state Microprocessor Based
Class 1 to 30 infinitely selectable via trip time setting: adjust from 0 to 30 Seconds, the time you set is the trip time at six times the set current. Example: 10 seconds will give a Class 10 trip.
Operational Temperature: -25 to +70 degrees C
Phase current unbalance
Phase loss/phase failure
Stall Protection
Phase current unbalance: trips within 5 seconds when the phase current unbalance exceeds 50%.
Phase loss/phase failure: trips within 3 seconds when phase current is 70% unbalanced.
Stall Protection: Trips at 170% of full load amps at 3 seconds.
LED indication of faults for over current, phase failure.

Specify motor HP, Voltage, Full Load Amps, Phase, and Frequency when ordering.

Three Phase
15 HP @ 200 VAC
15 HP @ 230 VAC
30 HP @ 460 VAC
40 HP @ 575 VAC

Single Phase
3 HP @ 115 VAC
10 HP @ 230 VAC

Shipping by ground UPS is included.
You may order by telephone: (203) 217-2353
Please have the following information:
Credit Card number
Expiration date
Name on the card
Credit Card billing address
Shipping address
Price:  Call
Resources:  Pdf(s):
   Duplex Motor Wiring 
   Duplex PLC Wiring 

Price: Call

Power Quality and Drives LLC
P.O. Box 83
Middlebury, CT  06762
Phone: (203) 217-2353
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