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Pressure relay (pressure switch) Olab 19200 is used in steam generators and irons with a boiler steam supply system. It serves for monitoring and regulating steam pressure within the system, ensuring stable supply and safe operation of the device.
The model is designed for a working pressure of 3.3 bar, connects to the system via a threaded connection Ø 9.7 mm, and to the network through 3 terminals 6.3 mm. It is equipped with an adjustment screw and technical specifications marked on the housing.
Technical specifications:
| Condition | New |
| Compatibility | Universal |
| Purpose | For steam generators and irons |
| Type | Pressure relay (pressure switch) |
| Working voltage | 125–250 V |
| Pressure | 3.3 bar |
| Connection | 3 terminals of 6.3 mm |
| System connection | Thread Ø 9.7 mm |
| Dimensions (±1 mm) | 47×40×46 mm |
| Manufacturer | Olab |
| Country of manufacture | Italy |
| Features | Marking on the housing: 3.3 BAR 19200 D45X 16(4)A 125/250VAC 1E4 µ 40T125 |
Operating principle:
When the pressure in the system drops below the set threshold, the relay closes the contacts and activates the heating element of the boiler or steam generator. When the pressure reaches the specified level, the contacts open, turning off the heating. This helps maintain a constant steam level and protects the system from overheating and excessive pressure.
Advantages:
- High accuracy in pressure regulation.
- Compact housing — convenient for installation even in limited spaces.
- Presence of threads and standard terminals for quick installation.
- Manufactured in Italy, confirmed quality.
Application area:
- Professional steam generators and steamers
- Ironing stations with a boiler
- Industrial and household irons with steam supply function