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SPW-181 (pressure switch)
The switching contact is a pressure switch with two contacts.In order to withstand high-frequency switching and high-load use, the switching mechanism maintains a constant contact pressure until the moment the circuit is opened by rapid opening operation.
| Capacitance |
|---|
| AC 250V 750W |
 |
| Main material | |||
|---|---|---|---|
| Pressure receiving part (wetted part) |
aluminum die cast | ||
| Pressure receiving element (wetted part) |
stainless steel bellows | ||
| cover | Polypropylene | ||
| switch body | Phenolic resin molding | ||
| contact | Silver | ||
| spring | piano wire stainless steel |
||
| fluid | Air, gas, oil, water, etc. | ||
| Contact configuration, wiring method |
|---|
 |
| Wiring method Turns OFF when pressure rises and turns ON when pressure drops to terminals 1 and 2 . |
| Standard specifications Unit: MPa (kg/cm²) | |||
|---|---|---|---|
| Pressure adjustment range (pressure range) | Standard setting | Pressure resistance | |
| A. | 0.12 to 1.0 (1.2 to 10) | 0.30-0.50 (3.0-5.0) | 2.0 (20) |
| 0.35-0.50 (3.5-5.0) | |||
| 0.40-0.55 (4.0-5.5) | |||
| 0.50-0.70 (5.0-7.0) | |||
| 0.63-0.83 (6.3-8.3) | |||
| 0.63-0.88 (6.3-8.8) | |||
| 0.73-0.93 (7.3-9.3) | |||
| B. | 1.0 to 1.5 (10 to 15) | 1.15-1.40 (11.5-14.0) | 2.5 (25) |
Inquiry - Sanwa Denki pressure switch SPS-181
