LRNH31S41

LRNH31S41 Datasheet

LRN Series

Part	Datasheet
LRNH31S41	LRNH31S41 (pdf)

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PDF Datasheet Preview
LRN Series Reed float switch • High or low level sensing • Normally open, normally closed or change over contact action • Ratings up to 100 W • Operates in liquid down to S.G. of • Internal or external fitting • Easy to install • Cost effective The Honeywell range of horizontal, vertical and right angled float switches offers the design engineer a combination of versatility and reed switch reliability. A magnet located in the float is used to activate the reed switch either on a rising or falling liquid level and the design allows for high or low level sensing simply by rotating the switch through A range of internal or external mounting options is available and a universal mounting kit allows both internal and external mounting. Available in Nylon and Glass Filled Polypropylene materials and a range of switching options. LRN float switches are suitable for use in the automotive, chemical, petroleum and food processing industries in signalling and control applications. • Low coolant level sensing • Fuel or oil level sensing • Boiler level warning • Solution monitoring • Flood control • Catering and vending machine • Domestic appliance • Medical equipment Technical information Mechanical Minimum operate angle horizontal models Maximum release angle horizontal models Shock * Vibration * Nominal cable length Environmental 5° from mounting angle 40° from mounting angle 50 g for 11 milliseconds duration 35 up to 500 Hz m Nylon Operating Temperature Range Minimum SG of liquid Minimum Viscosity of Liquid centipoise Plastic Housing Water absorption of equilibrium at 20 °C and 100 % RH at 100 °C and 100 % RH Heat distortion temperature kg/cm2 psig Electrical -30 °C to +130 °C % % 180 °C Diecast metal Glassfilled body polypropylene -30 °C to +130 °C -30 °C to +110 °C 245 °C 105 °C Switching options Switch action SPST SPDT SPST TRIAC Maximum Switching Voltage Vdc VRMS 100 120 250 70 120 250 Maximum Switching Current A dc Contact Rating W 15 * 15 * 3 * 100 *** 750 250 Minimum Breakdown Voltage 300 800 200 400 - Initial Contact Resistance - * Reed Switch Only Diecast metal model is fitted with Nylon float as standard * The switching performance can be drastically affected if switch ratings are exceeded. For inductive, capacitive and tungsten filament lamp loads, derate by All switch ratings are at dc resistive loads. Ordering information LRN 1 2 3 4 5 6 - 7 8 9 1 Type of orientation Horizontal Vertical Right angled 2 Housing material Nylon -30 to 130 °C Diecast metal body -30 to 130 °C Glass filled Polypropylene -30 to 110 °C 3 Switching options S.P.S.T. 120 Vrms/1 A 15 W S.P.S.T. 250 Vrms/1 A 15 W S.P.D.T. 70 Vrms/0.5 A 3 W S.P.S.T. 120 Vrms/3 A 100 W Triac 250 Vrms/3 A Triac 250 Vrms/1 A 4 Seal washer / Grommet Silicone Nitrile 5 Mounting options M16 x 2 internal fit M16 x 2 external fit compression grommet 1/2" NPT external fit 1/4" NPT internal fit Universal kit internal and external assemblies 6 Termination m PVC insulated leadwire 2 m PVC insulated leadwire 5 m PVC insulated leadwire 2 m two core cable 7, 8, 9 Customer specials Mounting information Care must be taken to ensure that the product is not damaged due to excessive tightening of the fixing nut or threaded bush. Maximum torque limits are shown below. Model External fitting compression grommet See Note 1 External fitting 1/2" NPT See Note 2 Internal fitting Internal fitting 1/4" NPT into tapered bush through tank wall with nut and washer See Note 2 Torque limit

PDF Datasheet Preview

LRN Series

Reed float switch
• High or low level sensing
• Normally open, normally closed or change over
contact action
• Ratings up to 100 W
• Operates in liquid down to S.G. of
• Internal or external fitting
• Easy to install
• Cost effective

The Honeywell range of horizontal, vertical and right angled float switches offers the design engineer a combination of versatility and reed switch reliability. A magnet located in the float is used to activate the reed switch either on a rising or falling liquid level and the design allows for high or low level sensing simply by rotating the switch through A range of internal or external mounting options is available and a universal mounting kit allows both internal and external mounting. Available in Nylon and Glass Filled Polypropylene materials and a range of switching options. LRN float switches are suitable for use in the automotive, chemical, petroleum and food processing industries in signalling and control applications.
• Low coolant level sensing
• Fuel or oil level sensing
• Boiler level warning
• Solution monitoring
• Flood control
• Catering and vending machine
• Domestic appliance
• Medical equipment

Technical information

Mechanical

Minimum operate angle horizontal models Maximum release angle horizontal models Shock * Vibration * Nominal cable length

Environmental
5° from mounting angle
40° from mounting angle
50 g for 11 milliseconds duration 35 up to 500 Hz m

Nylon

Operating Temperature Range

Minimum SG of liquid Minimum Viscosity of Liquid centipoise Plastic Housing Water absorption of equilibrium
at 20 °C and 100 % RH at 100 °C and 100 % RH Heat distortion temperature kg/cm2 psig

Electrical
-30 °C to +130 °C
% % 180 °C

Diecast metal** Glassfilled****
body
polypropylene
-30 °C to +130 °C
-30 °C to +110 °C
245 °C
105 °C

Switching options

Switch action

SPST SPDT SPST TRIAC

Maximum Switching Voltage Vdc VRMS
100 120 250 70 120 250

Maximum Switching Current A
dc Contact Rating W
15 *** 15 *** 3 *** 100 *** 750 250

Minimum Breakdown Voltage
300 800 200 400 -

Initial Contact Resistance -
* Reed Switch Only
** Diecast metal model is fitted with Nylon float as standard
*** The switching performance can be drastically affected if switch ratings are exceeded. For inductive, capacitive and tungsten filament lamp loads, derate by All switch ratings are at dc resistive loads.
Ordering information

LRN 1 2 3 4 5 6 - 7 8 9
1 Type of orientation

Horizontal

Vertical

Right angled
2 Housing material

Nylon -30 to 130 °C

Diecast metal body -30 to 130 °C

Glass filled Polypropylene -30 to 110 °C
3 Switching options

S.P.S.T. 120 Vrms/1 A 15 W

S.P.S.T. 250 Vrms/1 A 15 W

S.P.D.T. 70 Vrms/0.5 A 3 W

S.P.S.T. 120 Vrms/3 A 100 W

Triac 250 Vrms/3 A

Triac 250 Vrms/1 A
4 Seal washer / Grommet

Silicone

Nitrile
5 Mounting options

M16 x 2 internal fit

M16 x 2 external fit compression grommet
1/2" NPT external fit
1/4" NPT internal fit

Universal kit internal and external assemblies
6 Termination
m PVC insulated leadwire
2 m PVC insulated leadwire
5 m PVC insulated leadwire
2 m two core cable
7, 8, 9 Customer specials

Mounting information

Care must be taken to ensure that the product is not damaged due to excessive tightening of the fixing nut or threaded bush.

Maximum torque limits are shown below.

Model

External fitting compression grommet See Note 1

External fitting 1/2" NPT See Note 2

Internal fitting

Internal fitting 1/4" NPT into tapered bush through tank wall with nut and washer See Note 2

Torque limit

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived LRNH31S41 Datasheet file may be downloaded here without warranties.

Datasheet ID: LRNH31S41 636499