LIQUID LEVEL SWITCH

LS SERIES

10/2020

Page 2

Parameter

Min

Max

Units

Notes/Conditions

DC contact voltage (SPST)

100

V

Do not exceed 70W

DC contact current (SPST)

1.0

A

RMS contact voltage (SPST)

250

V

RMS contact current (SPST)

1.0

A

DC contact voltage (SPDT)

170

V

Do not exceed 5.0W

DC contact current (N.O. SPDT)

0.4

A

DC contact current (N.C. SPDT)

0.125

A

RMS contact voltage (SPDT)

125

V

RMS contact current (SPDT)

0.125

A

Operating and storage temperature

-30

110

°C

Fitting pressure

-1.0

4.0

Bar

Internal tank pressure

Tank wall thickness (Internal mount)

1.0

10

mm

Tank wall thickness (External mount)

1.0

4.0

mm

Product Specifications

Parameter

Details & Options

Mounting Orientation

Side entry

Fitting

Internal or External

Switch Operation

N.C. when float is horizontal

Contact Forms

Form A (SPST) or Form C (SPDT)

Contact Material

Ruthenium

Contact resistance (max)

140 mΩ

Housing and Float Material

Glass filled nylon 6.6 (better for oil, fuel, non-ionic liquids)

Glass filled PPS (better for water and aqueous solutions)

Glass filled Polypropylene (better for water and aqueous solutions)

Cable Description

18 AWG 32/0.2mm PVC insulated, UL/CSA/BS6361

Shock

±50g 11ms half sign duration

Vibration

±35g 0 – 500Hz

Ambient Humidity

0 – 95% RH (non-condensing)

Ingress protection

IP68 (wetted surfaces) IP65 (non-wetted surfaces)

Approvals & Certifications

UL file E98428