OIL SENSORS
OIL POT SWITCH - HBOR



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INTRODUCTION

HBOR is a liquid level switch designed for automatic Oil return. The sensor measures and detects the difference between the refrigerant and oil in a refrigeration system. Increased security is achieved as the sensor measures when the oil is drained and ammonia surrounds the sensor, the Oil Pot Switch closes the drain valve, without the risk of ammonia being emitted to the surroundings. Used for oil return / discharge of separated oil in e.g. evaporators, receivers and oil pots.  

 

The sensor is specially designed to resist high pressure and low temperatures.

TECHNICAL DETAILS

Proven sensor technology for simple transsistor output PNP/NPN and NO/NC contact function.
Designed for the industrial refrigeration industry - max pressure 100 bar.
Clear indication with LED when oil is detected.
Split design which makes it easy to install and make diagnostic on. The electronic part can be easily disconnected by 2 screws.

SPECIFICATIONS

Connection diagram

hb switches

Drawing

HBSR

Power supply
Voltage 24 V AC/DC + 10%
Max current output Max 50 mA
Current consumption < 10 mA
Plug connection DIN 43650 - 4 pins
Output
Transistor output PNP or NPN 
Contact function NC or NO
Environmental conditions
Ambient temperature -30...+50°C
Refrigerant temperature -60...+80°C*
Max pressure 100 bar
Protection degree IP65
Vibrations IEC 68-2-6 (4g)
Mechanical specifications
Thread connection 3/4”
Material - liquid parts AISI 304 / PTFE
Material- electronic parts Nylon 6 (PA)
Dimensions 210x52x40
Weight 300 g
House design Front
Approvals
EMC test EN 61000-2
GOST-R No 0903044

APPLICATIONS

HBOR

DISCLAIMER

Output Thread type Ordering code
PNP / NO 3/4" NPT HBOR-PNP/NO-2
PNP / NC 3/4" NPT HBOR-PNP/NC-2
PNP / NO 3/4" BSPP HBOR-PNP/NO-6
PNP / NC 3/4" BSPP HBOR-PNP/NC-6
NPN / NO 3/4" NPT HBOR-NPN/NO-2
NPN / NC 3/4" NPT HBOR-NPN/NC-2
NPN / NO 3/4" BSPP HBOR-NPN/NO-6
NPN / NC 3/4" BSPP HBOR-NPN/NC-6
     
Spare parts for HBOR    
Electronic part for HBOR-PNP/NO   HBOR-EL/PNP/NO
Electronic part for HBOR-PNP/NC   HBOR-EL/PNP/NC
Electronic part for HBOR-NPN/NO   HBOR-EL/NPN/NO
Electronic part for HBOR-NPN/NC   HBOR-EL/NPN/NC

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