30/50 vs 40/60 pressure switch

Here you will find a brief comparison table between 30/50 vs 40/60 pressure switches that used in water systems.

 30/50 pressure switch40/60 pressure switch
Model30-50 Pressure Switch

Square D FSG2J21M4CP

40-60 Pressure Switch

Square D FSG2J24CP

Suitable- Jet pumps
- Submersible pumps
- Reciprocating pumps
- Jet pumps
- Submersible pumps
- Reciprocating pumps
UsageSingle level home or a two story homesMore than one level homes
thread opening1/4" - 18 NPSF1/4"
Item Weight14.4 ounces‎13 ounces
Product Dimensions‎2.78 x 3.76 x 2.8 inches‎5 x 5 x 8 inches
Turn OFF pressure30 PSI40 PSI
Turn OFF pressure50 PSI60 PSI
PlatingChromate 3Chromate 3
Cover colorSilverDark Green
Setting instructionsUser manual and Cover labelUser manual and Cover label
modifications and special featuresSupportedSupported
Secure groundingYesYes
electrical life100,000 cycles100,000 cycles
Lead content restrictionsCalifornia AB1953California AB1953
Bug protect plugYesYes
ActionStandard ActionStandard Action
ApplicationTo control electrically driven water pumpsTo control electrically driven water pumps
Actuator TypeDiaphragmDiaphragm
Differential TypeAdjustableAdjustable
Approvals- UL Listed File: E12158 CCN NKPZ
- CSA Certified File: LR25490
- UL Listed File: E12158 CCN NKPZ
- CSA Certified File: LR25490
Contact ArrangementDPSTDPST
Enclosure RatingNEMA 1NEMA 1
Depth2.78 Inches2.78 Inches
DiaphragmNitrile (Buna N)Nitrile (Buna N)
Differential15 to 30 PSIG15 to 30 PSIG
Enclosure TypeGeneral Purpose (Indoor)General Purpose (Indoor)
Marketing Trade NameN/APumptrol
Flange MaterialZinc Plated SteelZinc Plated Steel
Maximum Voltage Rating575VAC575VAC
Horsepower Rating (3-Phase)- 2HP@115VAC
- 3HP@230VAC
- 1HP@460/575VAC
- 2HP@115VAC
- 3HP@230VAC
- 1HP@460/575VAC
Horsepower Rating (1-Phase)- 1.5HP@115VAC
- 2HP@230VAC
- 1.5HP@115VAC
- 2HP@230VAC
Maximum Allowable Pressure220 PSIG220 PSIG
Mounting TypeBracketBracket
Number of Poles2-Pole2-Pole
Pressure Connection0.25 Inch NPSF0.25 Inch NPSF
Pressure Setting30 to 50 PSIG40 to 60 PSIG
Range on Decreasing Pressure10 to 45 PSIG10 to 45 PSIG
Range on Increasing Pressure20 to 65 PSIG20 to 65 PSIG
Terminal TypeScrew ClampScrew Clamp