Ueda Seisakusho
Ueda Seisakusho PU62W Series Pressure Switch

Manufacturer: Ueda Seisakusho Co., Ltd.
Model : PU62W series
Features
- The PU62W series is a waterproof pressure switch for outdoor use.
- The body cover is made of die-cast aluminum, and the weather-resistant neoprene packing ensures high shielding, so it can be used outdoors in rainy or humid environments.
- The set pressure can be seen at a glance with the two pointers on the scale plate, and the set pressure and opening/closing pressure difference (ON-OFF width) can be freely, quickly, and easily adjusted.
- In addition, the pressure resistance is 5.0 MPa, and the electrical and mechanical life is over 1 million times, making it longer-lasting than the conventional bellows type.
Product Information
| Item | Specification |
|---|---|
| Product Name | Outdoor waterproof pressure switch |
| Size | W.106 x D.64.5 x H.128.5 mm |
| Protection Structure | IP65 (IEC529) equivalent |
| Durability | Electrical & Mechanical Life: 1 million times or more |
| Weight | Approx. 0.85 kg |
| Pressure Receiving Part | Diaphragm Type |
| Material | Fluorine resin |
| Connection size | Rc1/4 (PT1/4 female thread) |
| Insulation Resistance | DC 500V Megger — 100 MΩ or more |
| Dielectric Strength | AC 1,500V for 1 minute |
Option
- Pressure receiving part made of stainless steel (SUS316)
- Body mounting feet (brackets) included
- Low voltage and low current compatible products
Specifications
| Model | Pressure Adjustment Range (Range) MPa | ON-OFF Pressure Differential Range (Diff.) MPa | Pressure Resistance (MPa) | ||
|---|---|---|---|---|---|
| Minimum | Maximum | Smallest | Largest | ||
| PU62W-06-RC2D-KB | 0.1 | 0.6 | 0.1 | 0.35 | 5.0 |
| PU62W-12-RC2D-KB | 0.2 | 1.2 | 0.15 | 0.4 | 5.0 |
Model Code Explanation

| (A) | 12 = Maximum pressure adjustment range: 1.2 MPa |
| (B) | RC2 = Connection diameter: Rc 1/4 (PT 1/4 thread) Material: Brass (C3604) ※Standard RC2S = Connection diameter: Rc 1/4 (PT 1/4 thread) Material: Stainless Steel (SUS316) |
| (C) | D = Diaphragm type Material: Teflon® (PTFE) |
| (D) | K = With pressure adjustment knob |
| (E) | B = With mounting bracket (φ5.3 mm holes – 4-point fixing) |
| (F) | No symbol = Built-in snap switch (standard product) M = Built-in micro switch DCM = Low-voltage, micro-current specification |
Electrical Rating Table
| Voltage (V) | AC (A) | DC (A) |
|---|---|---|
| 24 | – | 3 |
| 48 | – | 1.5 |
| 110 | 10 | 0.5 |
| 220 | 10 | 0.25 |
| 440 | 5 | – |











