KG type liquid level alarm switch (dry spring type) is used in conjunction with UHZ series magnetic float level gauge, installed on the measuring tube of the magnetic float level gauge, for controlling the liquid level or alarm.

The level switch installed on the measuring tube of the magnetic float level gauge and the magnetic float level gauge are in the same magnetic coupling system. The float inside the measuring tube of the level gauge moves up and down with the change of the liquid level. When the float approaches the level switch from bottom to top, the magnetic steel inside the float acts on the reed switch inside the switch, sending out a switch on/off signal. The normally open reed switch is turned on when in a magnetic field and turned off when outside the magnetic field. The normally closed reed switch is disconnected when it is in a magnetic field and connected when it is outside the magnetic field.

● Switch type: reed switch, SPST or SPDT
● Contact capacity: Single pole single throw: 220V AC 1A
Single pole double throw: 24V DC 0.5A
● Switch lifespan: 10⁵second
● Working temperature:- 40～120℃
Electrical interface: M20 × 1.5 internal thread
Explosion proof grade: Explosion proof type: Exd Ⅱ CT4
Intrinsic safety type: Exia Ⅱ CT5
● Protection level: IP67

The dry spring liquid level alarm switch can be directly connected to the instrument alarm circuit system, such as flash alarm, PLC system, DCS system. If an isolation safety barrier must be used in an intrinsically safe system.