Liberty Pumps SX-Series Simplex Pump Controls Instruction Manual

: June 2, 2024
: Liberty Pumps

Table of Contents

Liberty Pumps SX-Series Simplex Pump Controls
Features
Other Available Options
Standard Features
Switch Specifications
References
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Liberty Pumps SX-Series Simplex Pump Controls

For reliable control of a single pump in residential or commercial installations. Common applications include sump basins, effluent or sewage pump chambers and lift stations.

Liberty-Pumps-SX-Series-Simplex-Pump-Controls-FIG-1

Features

Across-the-line magnetic contactor

Test/Auto switch
Terminal block for easy wiring
rcuit breaker
Green pump run indicator light (internal)
Red alarm indicator light/audible alarm
Auxiliary contacts
Alarm silence and test switches
Tri 120/208/240V operation on 1-phase
Tri 208/240/480V operation on 3-phase

Other Available Options

Alarm horn
Redundant off
Cycle counter
ad front
Main disconnect
Flasher
Manual alarm reset
Power ON light
Lockable latch
Overload protection
Alternate beacon color
High and low level indicators
Anti-condensation heater
Pilot breaker
Thru-door overload reset
Beacon guard
Thermal cutout
Elapsed time meter
Delay timer
Lightning arrestor
GFCI convenience receptacle
- Start/run capacitors

Standard Features

Enclosure: 10″ x 8″ x 4″; NEMA 4X – ultraviolet stabilized thermoplastic for outdoor use; NEMA 1 – metal for indoor use. Certain options may increase enclosure size. 3-phase panels measure 12″ x 10″ x 6″.
Magnetic Motor Contactor: Controls pump by switching hot electrical lines.
HOA Switch : Offers manual operation of pump (on circuit board).
Green Pump Run Indicator: On circuit board
Float Switch Terminal Block: On circuit board
Control/Alarm Fuses: On circuit board
Control/Alarm Power Indicator : On circuit board
Circuit Breaker: 1-phase panels include appropriately-sized circuit breakers to provide pump disconnect and branch circuit protection. 3-phase breakers sized to application and provide additional overload protection for the pump.
Pump Input Power and Pump Connection Terminal Block Auxiliary Contacts Ground Lug
Alarm Package: NEMA 4X = red beacon and horn (83 to 85 dB), exterior test/normal/silence switch. NEMA 1 = door-mounted red indicator and internally mounted buzzer (83 to 85 dB), exterior test/normal/silence switch.
Circuit Breaker: 1-phase panels include appropriately-sized circuit breakers to provide pump disconnect and branch circuit protection. 3-phase breakers sized to application and provide additional overload protection for the pump.
Pump Input Power and Pump Connection Terminal Block
Auxiliary Contacts
Ground Lug
Alarm Package: NEMA 4X = red beacon and horn (83 to 85 dB), exterior test/normal/silence switch. NEMA 1 = door-mounted red indicator and internally mounted buzzer (83 to 85 dB), exterior test/normal/silence switch.

MODEL| VOLTS| PHASE| FULL LOAD AMPS

(Must match pumps)

| ENCLOSURE
---|---|---|---|---
1-Phase| | | |
SXL21=3| 120/208/240| 1| 0–14.9A| NEMA 1
SXL24=3| 120/208/240| 1| 0–14.9A| NEMA 4X
SXH21=3| 120/208/240| 1| 15–20A| NEMA 1
SXH24=3| 120/208/240| 1| 15–20A| NEMA 4X
SXHC24=3-3| 120/208/240| 1| 15–20A| NEMA 4X
3-Phase***| | | |
SX34=3-131| 208/240/480| 3| 1.6–2.5A| NEMA 4X
SX34=3-141| 208/240/480| 3| 2.5–4.0A| NEMA 4X
SX34=3-171| 208/240/480| 3| 4.0–6.3A| NEMA 4X
SX34=3-191| 208/240/480| 3| 6–10A| NEMA 4X
SX34=3-511| 208/240/480| 3| 9–14A| NEMA 4X
SX54=3-121| 575| 3| 1.6–2.5A| NEMA 4X
SX54=3-151| 575| 3| 2.5–4.0A| NEMA 4X
SX54=3-161| 575| 3| 4.0–6.3A| NEMA 4X

Switch Specifications

All standard simplex panels include (3) pilot-duty float switches for OFF, ON and Alarm. 20′ cord standard. 35’ and 50’ cord lengths available. Pipe mount clamps included.