Dungs 138630 Pressure Switch Limiter, 30- 150 [mbar) Setting range, PG11 thread, Test nipple at position 9, Screw plug at position 0, Pressure connection G 1/4, Position 0. Version : UB 150 A4 Ag-PG-MS9-V0

Pressure Switch Limiter, locks if set reference value is exceeded, 30- 150 [mbar) Setting range, Silver (Ag) Contacts, PG11 cable gland Electrical connection, Test nipple at position 9, Screw plug at position 0, Pressure connection G 1/4, Position 0. Version : UB 150 A4 Ag-PG-MS9-V0

Features:
• The pressure limiters ÜB…A4 and NB…A4 are adjustable pressure switches as per EN 1854 for automatic burner controls.
• Suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value.
• The reference value (switching point) is adjusted on a setting wheel provided with a scale. Test nipple integrated in metal housing as standard
• Pressure monitoring in firing, ventilation and air-conditioning systems.
• Suitable for gases of families 1, 2 and 3 and other neutral gaseous media.