Is there low-pressure cut-off (auto-start-off) on this switch when pump runs dry?

No. Adj low pressure and high only

Does this 9013 fsg2 03/50 have a switch arm? the specs say it does, but the picture doesen't show it.

Mine did not have a switch arm.

How much pressure on tank ?

When the tank presure drops to 30psi switch contacts diconnects at 50psi, that the pressure in the tank, there is a small amount of adjustment in this switch maybe +_ 5psi

Will this work for a 24v system?

Why not? The electrical portion consists of just two NO contacts. I run the pump over a 24V contactor system.

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Square D 9013 FSG2 30/50 Schneider Electric FSG2J21CP 30-50 PSI Pumptrol Water Pressure Switch, Black

Square D 9013 FSG2 30/50 Schneider Electric FSG2J21CP 30-50 PSI Pumptrol Water Pressure Switch, Black

Product ID: 387805122

Details

Connector type
1/4 inch
Contact type
Normally Open
Current rating
30 Amps
Operating voltage
240 Volts
Operation mode
Automatic

🔌240V operating voltage

🔩1/4 inch stainless steel connector

⚙️30-50 PSI pressure range

¥15634

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Power your pump with precision and reliability — don’t let pressure drop your flow!

EASY SURFACE MOUNTING - Quick installation with secure screw terminals for hassle-free setup
ROBUST 240 V OPERATION - Reliable power handling for heavy-duty water and air pump systems
DURABLE IP 54 PROTECTION - Engineered to resist dust and water for long-lasting outdoor use
PRECISION PRESSURE CONTROL - Maintains optimal 30-50 PSI for consistent pump performance
UNIVERSAL PUMP COMPATIBILITY - Seamlessly fits jet, submersible, and reciprocating pumps

The Square D 9013 FSG2 30/50 Pressure Switch by Schneider Electric delivers precise pressure control between 30 and 50 PSI, supporting a wide range of water and air pumps. Operating at 240 volts with a durable IP54 rating, it ensures reliable, long-lasting performance in demanding environments. Its stainless steel 1/4 inch connector and easy surface mount design make installation straightforward, backed by over 67 years of trusted Square D engineering.

Specifications

ASIN	B00CONESDG
Actuator Type	Push Button
Best Sellers Rank	#79,218 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #76 in Water Pump Accessories
Brand Name	Square D
Circuit Type	1-way
Color	Grey
Compatible Devices	Water supply systems, irrigation systems, any other system that uses these pumps
Connectivity Protocol	Wi-Fi
Connector Type	1/4 inch
Contact Material	Stainless Steel
Contact Type	Normally Open
Control Method	Touch
Control Type	Pressure-based
Controller Type	Push Button
Current Rating	30 Amps
Customer Reviews	4.5 4.5 out of 5 stars (1,304)
Global Trade Identification Number	00785901077206
Included Components	Pump
International Protection Rating	IP54
Item Dimensions	10.2 x 10.2 x 7.6 centimeters
Item Type Name	Square D by Schneider Electric FSG2J21CP Pump Water Pressure Switch 30 to 50 PSI
Item Weight	0.01 Ounces
Manufacturer	Square D
Material Type	Metal
Model	SQUARE D - FSG2J21CP
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	2
Operating Voltage	240 Volts
Operation Mode	Automatic
Part Number	9013 FSG2 30/50 switch
Specification Met	CE, IP54
Switch Type	Pressure Switch
Terminal	Screw
UPC	785901077206
Unit Count	1.0 Count

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¥15634

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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