Digital Vacuum Switch
- Pressure Range: -100 ~ 100 kPa
- Display: LCD 4-digit
- Sensor Outputs: NPN or PNP open collector
- Weight: 135 g
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 |
| VP30 | Digital vacuum switch, VP30 series |
2. Pressure Range
| Symbol | Description |
| 10 | Compound pressure, -100 ~ 1,000 kPa |
3. Connection
| Symbol | Description |
| R | R 1/8 |
4. Mount Option
| Symbol | Description |
| blank | without bracket |
| M | Panel Mounting Bracket M |
| Z1 | Mounting Bracket Z1 |
| Z2 | Mounting Bracket Z2 |
5. Connection
| Symbol | Description |
| NA | NPN + Analog |
| PA | PNP + Analog |
General Specifications
| Model | VP30 | |
| Pressure range | -100 ~ 100 kPa | |
| Fluid | Filtered air, Non-corrosive, Non-flammable gas | |
| Measure accuracy | ≤±0.2% F.S. (Ambient temp. 25℃) | |
| Measure pattern | Hysteresis mode | |
| Port size | External: R1/8, NPT, G1/8 options, internal: M5 | |
| Display | LCD display, 4-digit, Unit display | |
| Power supply voltage | 12 to 24V DC±10% | |
| Power consumption | 40 mA or less | |
| Output | NPN or PNP open collector, Max 80 mA | |
| Analog output | Voltage output | 1 ~ 5 V (±5%) |
| Signal ampuliude | 4 ~ 20 mA | |
| Load resistance | ≤400Ω. | |
| Load resistance | ≥1KΩ. | |
| Response time | ≤2.5 ms (Chattering-proof function: 20, 100, 500 1000, 2300 ms) | |
| Short-Circuit protection | Yes | |
| Protection Structure | IP40 | |
| Operation temp. | 0 ~ 50℃ | |
| Operation humidity | 35 ~ 85% RH (No condensation) | |
| Vibration | Total amplitude 1.5mm or 10G, 10~500 Hz, 2-hour each direction of X, Y, and Z | |
| Shock | 1000 m/s² (10G), 3-time each in direction of X, Y, and Z | |
Dimensions
| VP30: |

| VP30: |

VP30 series switches
| Part Number | Description |
| VP30-10-R-NA | Vacuum Switch VP30, 2 color LED-Display, NPN + Analog 1~5V, w/o bracket |
| VP30-10-R-PA | Vacuum Switch VP30, 2 color LED-Display, PNP + Analog 1~5V, w/o bracket |
| VP30-10-RZ1-NA | Vacuum Switch VP30, 2 color LED-Display, NPN + Analog 1~5V, Bracket Z1 |
| VP30-10-RZ1-PA | Vacuum Switch VP30, 2 color LED-Display, PNP + Analog 1~5V, Bracket Z1 |
| VP30-10-RZ2-NA | Vacuum Switch VP30, 2 color LED-Display, NPN + Analog 1~5V, Bracket Z2 |
| VP30-10-RZ2-PA | Vacuum Switch VP30, 2 color LED-Display, PNP + Analog 1~5V, Bracket Z2 |
| VP30-10-RM-NA | Vacuum Switch VP30, 2 color LED-Display, NPN + Analog 1~5V, Bracket M |
| VP30-10-RM-PA | Vacuum Switch VP30, 2 color LED-Display, NPN + Analog 1~5V, Bracket M |