This is a series of float switches made entirely of stainless steel. We have a variety of types available, from small to horizontal mounting types.
We offer a wide variety of products, from general-purpose small stainless steel types to horizontal mounting types. We will propose products that meet your specific requirements. *For more details, please refer to the PDF document or feel free to contact us. ▼Contact Information TEL: Hamamatsu Office 053-420-1281 MAIL: info@watty.co.jp
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basic information
This is a float switch made of all stainless steel. Various specifications are available. Please check the comprehensive catalog for details.
Price range
Delivery Time
Applications/Examples of results
It is used in environments exposed to constant humidity, pressure, and direct sunlight. It can be widely used in various industrial machines and equipment.
Detailed information
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HL-57 Product Appearance Mounting Screw Part G1/8
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HL-52 Product Appearance Mounting Screw Section G1/8
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HL-K506 Product Appearance Mounting Screw Section M8
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HL-K501 Product Appearance Mounting Screw Section G1/8
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HL-505 Product Appearance Mounting Screw Section NPT1.2 *Please pay attention to the specifications of the mounting screw. Side Mounting Type
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HL-K507 Product Appearance Mounting Screw Section M12×1.25 Features: L-shaped Type
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HL-K507 Product Appearance Mounting Screw Section M12×1.25 Side Mount Type
Line up（13）
| Model number | overview |
|---|---|
| HL-57A | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -40℃ to 120℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level rising ON, Cable specification: UL3266 AWG22 |
| HL-57B | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -40℃ to 120℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level falling ON, Cable specification: UL3266 AWG22 |
| HL-52A | Type: Reed switch, Operating voltage: Max AC100V/DC100V, Switching capacity/switching current: Max 10VA/10W and 0.5A, Liquid specific gravity: Min 0.85, Standard liquid: 1.0, Operating temperature range: -40℃ to 120℃, Material: Stem/SUS304, Float/SUS304, Operation: Liquid level rising ON, Cable specification: UL3266 AWG22 |
| HL-52B | Type: Reed switch, Operating voltage: Max AC100V/DC100V, Switching capacity/switching current: Max 10VA/10W and 0.5A, Liquid specific gravity: Min 0.85, Standard liquid: 1.0, Operating temperature range: -40℃ to 120℃, Material: Stem/SUS304, Float/SUS304, Operation: Liquid level falling ON, Cable specification: UL3266 AWG22 |
| HL-K506A | Type: Reed switch, Operating voltage: Max AC100V/DC100V, Switching capacity/switching current: Max 10VA/10W and 0.5A, Liquid specific gravity: Min 0.65, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316, Operation: Liquid level rising ON, Cable specification: UL3266 AWG24 |
| HL-K506B | Type: Reed switch, Operating voltage: Max AC100V/DC100V, Switching capacity/switching current: Max 10VA/10W and 0.5A, Liquid specific gravity: Min 0.65, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316, Operation: Liquid level falling ON, Cable specification: UL3266 AWG24 |
| HL-K501A | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level rising ON, Cable specification: UL1430 AWG20 |
| HL-501B | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level falling ON, Cable specification: UL1430 AWG20 |
| HL-505A | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.85, Standard liquid: 1.0, Operating temperature range: -40℃ to 120℃, Material: Stem/SUS304, Float/SUS304, Operation: Liquid level rising ON, Cable specification: UL3266 AWG22, Feature: Side mounting type |
| HL-K504A | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level rising ON, Cable specification: UL1430 AWG20, Feature: L-shaped |
| HL-K504B | Type: Reed switch, Operating voltage: Max AC300V/DC300V, Switching capacity/switching current: Max 50VA/50W and 0.5A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316L, Operation: Liquid level falling ON, Cable specification: UL1430 AWG20, Feature: L-shaped |
| HL-K507 | Type: Reed switch, Operating voltage: Max AC250V/DC200V, Switching capacity/switching current: Max 40VA/40W and 1.0A, Liquid specific gravity: Min 0.8, Standard liquid: 1.0, Operating temperature range: -10℃ to 100℃, Material: Stem/SUS304, Float/SUS316, Operation: Liquid level rising ON, Cable specification: UL1430 AWG20, Feature: Side mounting type |
| HL-K-502A | Type: Reed switch, Operating voltage: Max AC220V/DC220V, Switching capacity/switching current: AC/1.0A DC/0.2A no switching current, Liquid specific gravity: Min 0.75, Standard liquid: 1.0, Operating temperature range: -10℃ to 200℃, Material: Stem/SUS304, Float/SUS316, Operation: Liquid level rising ON, Cable specification: UL1332 AWG22, Feature: Ultra high temperature compatible |
catalog（2）
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Company information
Our company (formerly known as Keihin Sokkiki Co., Ltd.) was reborn as Watty, Inc. on January 1, 2007, marking our 40th anniversary. The company name combines "watt," a familiar unit of power associated with our main manufacturing division, the Thermal Systems Division (which develops, manufactures, and sells heater units used primarily in semiconductor and FPD manufacturing equipment and various precision instruments), and "water," representing the liquid typically sensed by our other main division, the Sensor Division (which focuses on the development, manufacturing, and sales of liquid level sensors). Thus, we chose the name Watty to reflect these two pillars.
![[Column] What is a Float Switch? Mechanism of Operation and How to Use It](https://image.mono.ipros.com/public/product/image/a6e/2001528906/IPROS6799226127583639202.jpg?w=280&h=280)
