Level Switches - Barksdale

Catalogue Level Switches

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Level switches made of Brass with G1/8 - Mounting Thread

Technical Data


	Stem and Mounting Thread	: MS 1/8 = Brass G1/8
		MS 1/8 NPT = Brass 1/8" NPT
	Float	: BN 25 = Buna N, 0 = 25 mm
	Max. Operating Pressure	: 15 bar (Float / +20 °C)
	Max. Operating Temperature : -20 "C...+100 °C, (Oil)
		-20 °C...+80 °C, (Water)
	Min. Fluid Specific Gravity	: 0,57 g/cm³
	Mounting Position	: vertical, ±30°,
		through top or bottom
	Protection Class	: IP54
	Electrical connection	: PVC-cable, max.3 x 0,34 mm²
		1 m / 3 m / 5 m length
	Contact Mode	: 1 - SPST-switch (NO)
		2 - SPST-switch (NC)
		3 - SPDT-switch
	Max. Contact Rating	: NO / NC:230 V AC / DC
		2 A, 40 VA / W
		SPDT: 150 V AC / 100 V DC
		0,2 A, 3 VA / W
	Weight	: appr. 40 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 mounted through the top.

Order Numbers


Type	Contact	Cable	Order
	Mode	Type/Length	Number
UNS-MS1/8-K1-BN25/1(2)	NO (NC)	PVC / 1 m	0111-464
UNS-MS1/8-K3-BN25/1(2)	NO (NC)	PVC / 3 m	0111-465
UNS-MS1/8-K5-BN25/1(2)	NO (NC)	PVC / 5 m	0111-466
UNS-MS1/8-K1-BN25/3	SPDT	PVC / 1 m	0111-467
UNS-MS1/8-K3-BN25/3	SPDT	PVC / 3 m	0111-468
UNS-MS1/8-K5-BN25/3	SPDT	PVC / 5 m	0111-469