[Pneumatic Instrumentation & Switches] Pressure & Vacuum Switches
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Model 18D
Electro-mechanical pressure switch's for connecting and disconnecting electronic circuits utilising pressure. Norgren's 18D pressure monitoring switches reliably monitor minimum pressure and are equipped with automatic switch off and pressure limit warning. Suitable for use in pneumatic, hydraulic and vacuum systems.
Gold-plated microswitch contacts
High number of switching cycles permissible
Designed for pressure monitoring in hydraulic systems
Designed to withstand vibrations up to 15G
Suitable for intrinsically safe operation
ATEX version
Technical Specification | ||||||
Contact Rating (ac) | Contact Rating (dc) | Accuracy/Repeatability | Maximum Frequency of Operation (cycles/min) | Fixed Hysteresis | Temperature Range (°C) | Environmental Protection |
5A @ 250 Vac inductive (3A0 resistive) | 0.25A @ 250 V(dc) | ±3% of Set Pressure | 120 | - | -20 to +80 | - |
Pressure Switches
Pressure switches that allow microswitch operation once a pre-set pressure is reached. K and K3 Series incorporate a mechanical stop providing over-pressure protection for the spring and microswitch. Electrical connections for all models to DIN 43650.
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