Product Description
| Adjustable Range | 760 to 100 mm Hg Vacuum |
| Enclosure | IP 54, IP 65, IP 66 & Flameproof |
| Pressure Housing | Aluminium, Brass or, SS 316 |
| Diaphragm | Neoprene, ptfe or, SS 316 |
| Differential | Adjustable from 100 to 500 mm Hg |
| Max. Working Pressure | 12 bar |
| Switch type | 1 no. SPDT snap action micro switch Switch rating5A, 250V AC Or, 0.2A, 250 V DC |
| Cable Gland | 3/8 Cable Entry |
| Calibration Scale | Optional |
| Pressure Port | 1/4 BSP (F) |
| Repeatability | 1% FSR |
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Efficient and Reliable Vacuum MonitoringThe MA series vacuum switch provides stable and accurate vacuum control with easily adjustable settings. Its robust construction ensures excellent mechanical and electrical endurance, making it highly dependable for industrial systems requiring consistent performance over extended periods.
Designed for Harsh Industrial EnvironmentsOffering an IP65 protection rating, the MA series vacuum switch withstands challenging conditions, including humidity up to 95% RH, vibrations (1055 Hz), and shocks up to 15 G. Its wide operating temperature ensures suitability across diverse environments and applications.
Simple Installation and OperationFeaturing a practical external knob for adjustment, G1/8" threaded connections, and panel mount design, the MA series vacuum switch is quick to set up and easy to integrate into various automated setups. Its SPDT circuit simplifies wiring and system compatibility.
FAQs of Adjustable Differential type Vacuum Switch MA series:
Q: How does the Adjustable Differential Type Vacuum Switch MA series function in an automation system?
A: The MA series vacuum switch operates by detecting vacuum levels within the specified pressure range and activating its SPDT micro switch when set thresholds are reached. This allows it to automatically control or signal external devices within automation setups, enhancing process stability and safety.
Q: What types of media can be safely used with this vacuum switch?
A: This switch is designed specifically for use with air and non-corrosive gases, ensuring long-term reliability and preventing material degradation. Usage with corrosive or flammable gases is not recommended, as it may damage the switch or compromise safety.
Q: When should the differential adjustment range be utilized?
A: The differential adjustment range (0.01 to 0.08 MPa) should be set when precise control of switching points is required during vacuum pressure changes. Adjusting this range helps to minimize unnecessary switch cycling and maintains consistent process conditions.
Q: Where is the optimal installation location for the MA series switch?
A: Optimal installation is panel-mounted close to the monitored vacuum line, using its G1/8" threaded connection for secure attachment. Ensure the area is free from direct liquid exposure and extreme vibration or shock to maintain accuracy and longevity.
Q: What is the process for adjusting the vacuum set point on this switch?
A: Adjustment is straightforward using the external knob located on the switch. Turning the knob either increases or decreases the pressure set point, allowing users to fine-tune operation without disassembling the unit or interrupting the process.
Q: What are the key benefits of using this vacuum switch in industrial applications?
A: Benefits include precise vacuum control, high electrical and mechanical endurance, fast response time (20 ms), resistance to harsh environmental conditions, and easy installation and adjustment. These features contribute to reliable automation and reduced downtime.
Q: Is this vacuum switch suitable for use in applications with frequent switching cycles?
A: Yes, with an electrical life exceeding 1 million cycles and mechanical durability over 10 million cycles, the MA series is designed to withstand frequent switching, making it ideal for demanding applications requiring high reliability in repeated operations.