9037HG30R | Square D Stainless Steel Reverse Action Pumptrol Float Switch
Schneider Electric · Relays, Contactors & Switches
Description The Square D 9037HG30R is a stainless steel Pumptrol® float switch designed for liquid level control in closed tank applications. Manufactured by Schneider Electric, this switch uses a reverse-action “open on rise” mechanism to control pumps or signal control circuits as liquid levels change. It is engineered for reliable operation in industrial, agricultural, and commercial fluid management systems. Technical Specifications Condition New/Never Used Surplus Brand Square D Category Level Control Devices Part Number 9037HG30R Subcategory Float Switches Product Type Liquid Level Float Switch Switch Function Open on Rise (Reverse Action, Form R) Contact Configuration DPST, 2 Normally Open Maximum Voltage 600 VAC Maximum Current 10 A Motor Rating (1Ø) 2 HP @ 115 V, 3 HP @ 230 V Motor Rating (3Ø) 5 HP @ 230 V Tank Connection 2-1/2 in MNPT Maximum Pressure 50 psi Operating Temperature -22°F to 220°F (-30°C to 104°C) Float Material Stainless Steel (304/316) Enclosure Rating NEMA 1 Float Travel Approx. 4.5 in (adjustable) Weight 5.5 lb Information About 9037HG30R The 9037HG30R is a float-operated liquid level switch from the Square D Pumptrol series, built for closed tank installations requiring durable mechanical control. It features a rugged stainless steel float and stem assembly designed to withstand pressure, temperature variation, and continuous immersion. This model utilizes reverse-action switching, opening its contacts as liquid rises to a preset level. It can directly control motor loads or serve as a pilot device for motor starters in pump and process control systems. Key Features: Reverse Action Switching: Opens contacts when liquid level rises for pump-down or alarm control DPST Contact Configuration: Provides two normally open contacts for flexible control wiring Stainless Steel Construction: 304/316 stainless steel float and stem resist corrosion and wear Closed Tank Mounting: 2-1/2 in MNPT threaded bushing enables secure tank installation Motor Load Capability: Rated for direct control of single- and three-phase motors Adjustable Float Travel: Allows precise level setpoint configuration General Purpose Enclosure: NEMA 1 housing suitable for indoor installations The 9037HG30R delivers the reliability and precision required for dependable liquid level control in pump and tank management applications.
Brand: Schneider Electric · Category: Relays, Contactors & Switches
Key features
- Reverse Action Switching: Opens contacts when liquid level rises for pump-down or alarm control
- DPST Contact Configuration: Provides two normally open contacts for flexible control wiring
- Stainless Steel Construction: 304/316 stainless steel float and stem resist corrosion and wear
- Closed Tank Mounting: 2-1/2 in MNPT threaded bushing enables secure tank installation
- Motor Load Capability: Rated for direct control of single- and three-phase motors
- Adjustable Float Travel: Allows precise level setpoint configuration
- General Purpose Enclosure: NEMA 1 housing suitable for indoor installations
Specifications
| Manufacturer part number | 9037HG30R |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Level Control Devices |
| Part Number | 9037HG30R |
| Subcategory | Float Switches |
| Product Type | Liquid Level Float Switch |
| Switch Function | Open on Rise (Reverse Action, Form R) |
| Contact Configuration | DPST, 2 Normally Open |
| Maximum Voltage | 600 VAC |
| Maximum Current | 10 A |
| Motor Rating (1Ø) | 2 HP @ 115 V, 3 HP @ 230 V |
| Motor Rating (3Ø) | 5 HP @ 230 V |
| Tank Connection | 2-1/2 in MNPT |
| Maximum Pressure | 50 psi |
| Operating Temperature | -22°F to 220°F (-30°C to 104°C) |
| Float Material | Stainless Steel (304/316) |
| Enclosure Rating | NEMA 1 |
| Float Travel | Approx. 4.5 in (adjustable) |
| Weight | 5.5 lb |
| Product type | Float Switches |
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