Vacuum switches are a type of pressure switch that functions in the vacuum end of the pressure. Their primary purpose is to monitor vacuum status and open or close a connection when there is a change in the vacuum level.
1. Basic Model
| Symbol | Description |
| V11 | Digital vacuum switch, V11 series |
2. Pressure Range
| Symbol | Description |
| P | Positive pressure |
| V | Negative pressure |
| C | Compound pressure |
3. Output
| Symbol | Description |
| 010 | 2-NPN, Analog output (1-5V) |
| 030 | 2-PNP, Analog output (1-5V) |
4. Connector
| Symbol | Description |
| M5F | M5 female connector |
General Specifications
| Model | V11P | V11V | V11C | |
| Pressure range | 0 ~ 1,000 kPa | -101.3 ~ 10 kPa | -101 ~ 101 kPa | |
| Withstand pressure | 1,500 kPa | 500 kPa | 500 kPa | |
| Fluid | Filtered air, Non-corrosive, Non-flammable gas | |||
| Set pressure resolution | kPa | – | 0.1 | 0.1 |
| MPa | 0.001 | – | – | |
| Kgf/cm² | 0.01 | 0.001 | 0.001 | |
| bar | 0.01 | 0.001 | 0.001 | |
| psi | 0.1 | 0.01 | 0.01 | |
| inHg | – | 0.1 | 0.1 | |
| mmHg | – | 1 | 1 | |
| Power supply voltage | 12 to 24V DC±10%, Ripple (P-P) 10% or less | |||
| Current consumption | ≤40mA (With no load) | |||
| Switch output | Output type | 2-NPN or 2-PNP open collector | ||
| Max. load current | 125 mA | |||
| Max. supply voltage | 30V DC @ NPN output, 24V DC @ PNP output | |||
| Residual voltage | ≤1.5V | |||
| Response time | ≤2.5 ms (Chattering-proof function: 25, 100, 250, 500, 1000, 1500 ms selections) | |||
| Output short prot. | Yes | |||
| Analog output | Voltage output | 1 ~ 5 V (±2.5%) | ||
| Voltage impedance | About 1 Ω | |||
| Linearity | ±1% F.S. | |||
| Display | LED Display | 4 digit, 7 segment (red) | ||
| Switch ON indicator | Out-1 red/ Out-2 green | |||
| Updates time | About 0.2 s | |||
| Indicator accuracy | ±2% F.S. ±1 digit (ambient temperature: 25±3℃) | |||
| Repeatability (Switch output) | ±0.2% F.S. ±1 digit | |||
| Environment | Enclosure | IP40 | ||
| Operation temp. | 0 ~ 50℃ | |||
| Storage ambient temp. | -10 ~ 60℃ (No condensation or freezing) | |||
| Ambient voltage | 35 ~ 85% RH (No condensation) | |||
| Withstand voltage | 1000V AC in -1min (between case and lead wire) | |||
| Insulation resistance | 500 MΩ (at 500V DC, between case and lead wire) | |||
| Vibration | Total amplitude 1.5mm or 10G, 10~55 Hz scan for 1-min, 2-hour each direction of X, Y, and Z | |||
| Shock | 980 m/s² (10G), 3-time each in direction of X, Y, and Z | |||
| Temperature characteristic | ±2% F.S. of detected pressure (25℃) at temp. range of 0 ~ 50℃ | |||
| Port size | M5 | |||
| Lead wire | 26 AWG, UL AWM 20276, 1000 mm | |||
| Weight | 34.5 g (with 1-meter lead wire) | |||
| NPN and Analog output |
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| PNP and Analog output |
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| V11: |
| Unit: mm |
V11 series switches
| Part Number | Description |
| V11P-010-M5F | V11 series switch, Positive pressure, 2-NPN, Analog output |
| V11P-030-M5F | V11 series switch, Positive pressure, 2-PNP, Analog output |
| V11V-010-M5F | V11 series switch, Negative pressure, 2-NPN, Analog output |
| V11V-030-M5F | V11 series switch, Negative pressure, 2-PNP, Analog output |
| V11C-010-M5F | V11 series switch, Compound pressure, 2-NPN, Analog output |
| V11C-030-M5F | V11 series switch, Compound pressure, 2-PNP, Analog output |
