Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of side mounted float level switch in China. Welcome to buy high quality side mounted float level switch at competitive price from our factory. We also accept customized orders.
The HNL10-A side mounted float level switch is a reliable and budget-friendly solution engineered for precise liquid level control and alarm in small-scale systems across industries. Designed with user-friendliness in mind, this side-mounted switch boasts a straightforward working principle: a hollow float with an internal annular permanent magnet moves up and down with liquid levels, activating reed switches enclosed in a non-magnetic metal or plastic tube to trigger switching actions-supporting both normally open (NO) and normally closed (NC) modes, which are convertible per user requirements.

What sets this switch apart is its versatile material options, including SUS304, SUS316, PP, PVDF, and PTFE, making it compatible with general, corrosive, or high-purity media. Its side-mounted design offers space-saving installation, complemented by flexible interface threads (G1/2, R1/2, or custom specifications) that fit seamlessly into various equipment without complex adjustments. Operating on DC24V power, it performs stably in two temperature ranges (-20~80℃ and 0~60℃), adapting to industrial and household environments alike.

Ideal for machinery, electronics, chemical processing, and household appliances, the HNL10-A side mounted float level switch balances affordability with consistent performance. It requires minimal maintenance, thanks to its durable construction, and delivers long-lasting reliability-eliminating the need for frequent replacements. Whether controlling water levels in small tanks or monitoring fluids in electronic cooling systems, this switch is a practical choice for businesses seeking efficient, cost-effective liquid level management. Trust its proven design to meet your small-container control needs with uncompromised quality.

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HNL10-A float level switch parameters |
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Specific Parameters |
Value / Description |
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Measurement Principle |
The HNL10-A float level switch operates on the principle of installing one or more reed switches inside a sealed, non-magnetic metal or plastic tube. A hollow float, containing a ring-shaped permanent magnet, is fixed within the main body at the corresponding position of the reed switch. The float moves up and down within a certain range, and the magnet inside the float attracts the reed switch, causing it to close and thus controlling the liquid level. Normally open and normally closed represent the switch state when no liquid is injected; this can be specified by the user, and the switch state can usually be switched. |
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Outputs |
PNP |
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Power Supply |
24VDC |
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Operating Temperature |
-20-80℃ |
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Material |
304 Stainless steel,316 Stainless steel,PP,PVDF, |
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Process Connection |
G1/2,R1/2,Customized |
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Electrical Connection |
Little Hessmann |
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Protection Level |
IP65 |
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Certificate |
CE certified |
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Ordering Information |
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