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The SP-40 Miniature Pressure Switch is a compact 2-wire pressure monitoring solution designed for pneumatic equipment, industrial automation, and testing systems. With a lightweight 5g design, high-brightness LED indicator, quick-fitting connection, and compatibility with NPN and PNP PLC inputs, it provides reliable pressure detection where installation space is limited. Available in positive pressure and vacuum configurations for flexible system integration.
Product Series :
40: Miniature TypeAir Pressure Input Range :
C: -100.00~100.00kPa (Low-pressure Model) | P: -0.1~0.45MPa (For positive pressure) | V: -0.1~0.45MPa (For vacuum or residual pressure)Air Pressure fitting Type :
R06: Φ6 Reducer | R07: 1/4" Reducer (*not available for now)The SP-40 Series Miniature Type Pressure Switch is an ultra-compact and lightweight solution designed for precise pressure monitoring in tight spaces. Featuring a 2-wire design for simple and fast wiring, and a high-brightness LED with a transparent window for intuitive status indication, it allows for direct connection with quick fittings for easy installation. Serving as a top cost-performance domestic alternative to imported brands, the SP-40 is ideal for pneumatic equipment, industrial automation, and various advanced testing systems.
An ultra-miniature footprint designed to save space, weighing only 5g (excluding lead wire) for the R06 reducer model.
Equipped with a high-brightness red LED indicator visible through a transparent window for immediate visual confirmation when the switch is ON.
Features a 2-wire design compatible with PLC controllers (both NPN active and PNP passive inputs) and allows direct connection with quick fittings.
| Model | SP-40P | SP-40V | SP-40C | |
| Max. Operating Pressure | 1MPa | 500kPa | ||
| Setting Pressure Range | -0.1~0.45MPa | -100~0kPa | ||
| Electrical Specs | Load Voltage | DC12-24V ±10% (Ripple p-p 10% or less) | ||
| Load Current | 5~40mA | |||
| Leakage Current | 1mA or less | |||
| Int. Voltage Drop | 5V or less | |||
| Repeatability | ±1% F.S. | |||
| Hysteresis | 3% F.S. | |||
| Operating Temp. | 0~60°C (With no condensation) | |||
| Protection Grade | IP40 | |||
| Weight | R06: 5g (excluding lead wire) | |||
| 1. Product Series | 2. Air Pressure Input Range | 3. Air Pressure Fitting Type |
|---|---|---|
| SP-40: Miniature Type | C: -100~0kPa (For negative pressure) P: -0.1~0.45MPa (For positive pressure) V: -0.1~0.45MPa (For vacuum or residual pressure) |
R06: Φ6 Reducer R07: 1/4" Reducer (*not available for now) |
Example Ordering Code: SP-40 P R06
The SP-40 series offers an incredibly simplified 2-wire setup with brown (OUT+) and blue (OUT-) wires. It supports both NPN Active input units and PNP Passive input units for PLC controllers. For mounting, optional separate accessories include the L-type metal mounting bracket (XP-BT-04) and Z-type metal mounting bracket (XP-BT-05).
A: For positive pressure models (SP-40P and SP-40V), the maximum operating pressure is 1MPa. For the vacuum model (SP-40C), the maximum operating pressure is 500kPa.
A: Yes, it is equipped with a high-brightness LED indicator inside a transparent window; when the switch is ON, a red LED turns on.
A: The sensor part is made of Silicon, the body part is made of PBT, and the O-ring uses HNBR.
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