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  MN301310 Rev A 

 

3   

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Specifications / Dimensions

 

Step Two 

  

 

Orientation: 

LV20:  ±20˚ from vertical 

 

LH25:  ±20˚ from horizontal 

Accuracy: 

±5mm in water 

Repeatability: 

±2mm in water 

Specific Gravity: 

LV20:  0.8 minimum 

 

LH25:  0.6 minimum 

Contact Type: 

(1) SPDT reed 

Contact Rating: 

LV20:  120VAC/VDC @ 50 VA 

 

LH25:  120VAC/VDC @ 30 VA 

Contact Output: 

Selectable NO/NC 

Temperature Range:  LV20:  F: -40˚ to 176˚ 
 

 

C: -40˚ to 80˚ 

 

LH25:  F: -40˚ to 221˚ 

 

 

C: -40˚ to 105˚ 

Pressure Range: 

LV20:  10 psi (0.7bar) 

 

LH25:  100 psi (6.9 bar) 

Sensor Rating: 

NEMA 6 / IP68 

Sensor Material: 

LV20-12_1:  PP 

 

LV20-52_1:  PVDF 

 

LH25-1201:  PP 

 

LH25-5201:  PVDF 

Wire Jacket Mat’l: 

LV20-12_1:  PVC 

 

LV20-52_1:  TFE 

 

LH25-1201:  Polymeric 

 

LH25-5201:  TFE 

Wire Type: 

2-conductor, 22-gauge 

Wire Length: 

2’ (61cm) 

Process Mount: 

LV20:  1/8” NPT (R) 

 

LH25:  ½” NPT 

Classification: 

General Purpose 

Compliance: 

CE 

 

Switch Rating 

Reed  
Switch  
Rating 

Maximum 
Resistive  
Load 

VA  Volts  Amps  

AC 

Amps  
DC 

50 

0-50 

0.5 

0.5 

120 

0.4 

0.4 

240 

0.2 

0.2 

30 

0-50 

0.3 

0.28 

120 

0.28 

0.07 

240 

0.14 

N/A 

Components 

 

Part 
Number 

Body 
Material 

Cable 
Material 

Thread 

LV20-1201  PP 

PVC 

1/8” NPT 

LV20-1251  PP 

PVC 

1/8” R 

LV20-5201  PVDF 

TFE 

1/8” NPT 

LV20-5251  PVDF 

TFE 

1/8” R 

LH25-1201  PP 

Polymeric  ½” NPT 

LH25-5201  PVDF 

TFE 

½” NPT 

 

 

 

 

 

 

 

Содержание Switch-Tek LH-25 Series

Страница 1: ...0500 Hu Swit Mini Float Li LV20 LH umbolt Street Los tch T quid Level Sw 25 Series LV Alamitos CA 9072 Tek witch Manual V20 1201 20 p 562 598 3015 5 f 562 431 8507 w flowline com LH25 120 LV20 5201 01...

Страница 2: ...e probe becomes immersed in liquid the float becomes buoyant and the magnet elevates causing the reed switch to change state TABLE OF CONTENTS Specifications 3 Dimensions 4 Safety Precautions 5 Instal...

Страница 3: ...NEMA 6 IP68 Sensor Material LV20 12_1 PP LV20 52_1 PVDF LH25 1201 PP LH25 5201 PVDF Wire Jacket Mat l LV20 12_1 PVC LV20 52_1 TFE LH25 1201 Polymeric LH25 5201 TFE Wire Type 2 conductor 22 gauge Wire...

Страница 4: ...4 MN301310 Rev A Specifications Dimensions Step Two DIMENSIONS LV20 1201 LV20 1251 LV20 5201 LV20 5251 LH25 1201 LH25 5201...

Страница 5: ...lypropylene PP with a Polymeric cable The LV20 52_1 mini float vertical switch and the LH25 5201 mini float horizontal switch are made of Polyvinylidene Fluoride PVDF with a Tetrafluoroethylene TFE ca...

Страница 6: ...or closed for horizontal switches can be changed from normally open when dry to normally closed when dry or vice versa by rotating the float 180 across its axis see Step five Top Wall Installation LV...

Страница 7: ...eries For proper orientation make sure the LV20 series is not off axis more than 20 For the LH25 series make sure the body of the float is horizontal and not off axis by more than 20 In addition make...

Страница 8: ...the factory in the Normally Open NO configuration The normal state is when the float is resting on the bottom of the stem An orientation mark will appear on the top of the float when it is in the NO c...

Страница 9: ...he switch becomes wet the float becomes buoyant and circuit closes As the switch becomes wet the float becomes buoyant and circuit opens CONTACT PROTECTION REED SWITCH When current is interrupted the...

Страница 10: ...Controller LC42 1001 Shown LC10 LC11 Series Controller LC11 1001 Shown NOTE When using a latching relay the polarity of both switches must be equivalent i e both switches are wither wired Normally Ope...

Страница 11: ...ncompatible solvents that may damage the sensor s PP or PVDF plastic body Take particular care to remove any scaling from the float body and make sure that it moves freely 4 Sensor installation Follow...

Страница 12: ...edures outlined above 2 have been subjected to electrical mechanical or chemical damage due to improper accidental or negligent use 3 have been modified or altered 4 anyone other than service personne...

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