Catalogues - level-switches

Catalogue Level Switches

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Technical Data


	Stem and Mounting Thread	: VA 1/4 = W.Nr. 1.4571, G1/4
	Float	: VA 52 = W.Nr. 1.4571, 0 52 mm
	Max. Operating Pressure	: 40 bar (Float / +20 °C)
	Max. Operating Temperature : -10 °C...+105 °C, PVC-Cable
		-40 °C...+150 °C,
		Silicone cable (-HT)
	Min. Fluid Specific Gravity	: 0,78 g/cm³
	Mounting Position	: vertical, ±30°,
		through top or bottom
	Protection Class	: IP54
	Electrical connection	: PVC-cable, max.3 x 0,34 mm²
		Silicone cable (-HT),
		max. 3 x 0,5 mm²
		1 m / 3 m / 5 m length
	Contact Mode	: 1 - SPST-switch (NO)
		2 - SPST-switch (NC)
		3 - SPDT-switch
	Max. Contact Rating	: 1 - 250 V AC/DC / 3,0 A / 100 VA/W
		2 - 250 V AC/DC / 3,0 A / 100 VA/W
		3 - 140 V AC/DC / 1,0 A / 60 VA/W
	Weight	: appr. 150 g
	Approval	: ATEX on request

By turning the float upside down the function of the switch contact can be changed from NO (standard) in NC or vice versa. (Not possible with SPDT contacts)

The contact modes (NO or NC) are defined on the basis of an empty tank and for a level switch manufacturer mounted through the top.

Order Numbers


Type	Contact	Cable	Order
	Mode	Type/Length	Number
UNS-VA1/4-K1-VA52/1(2)	NO (NC)	PVC/1m	0111-482
UNS-VA1/4-K3-VA52/1(2)	NO (NC)	PVC/3 m	0111-483
UNS-VA1/4-K5-VA52/1(2)	NO (NC)	PVC/5 m	0111-484
UNS-VA1/4-K1-VA52/3	SPDT	PVC/1m	0111-485
UNS-VA1/4-K3-VA52/3	SPDT	PVC/3 m	0111-486
UNS-VA1/4-K5-VA52/3	SPDT	PVC/5 m	0111-487
UNS-VA1/4-K1-VA52/1(2)-HT	NO (NC)	Silikon / 1 m	0111-488
UNS-VA1/4-K3-VA52/1(2)-HT	NO (NC)	Silikon / 3 m	0111-489
UNS-VA1/4-K5-VA52/1(2)-HT	NO (NC)	Silikon / 5 m	0111-490
UNS-VA1/4-K1-VA52/3-HT	SPDT	Silikon / 1 m	0111-491
UNS-VA1/4-K3-VA52/3-HT	SPDT	Silikon / 3 m	0111-492
UNS-VA1/4-K5-VA52/3-HT	SPDT	Silikon / 5 m	0111-493

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