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HLS-M11 1
HLS-M11
On order
WIKA · Level measurement · Family HLS-M

Float switch

For horizontal installation, miniature design
Output
potential-free contact
Protection
IP65
RoHSCE
Price
On request
Depends on configuration
Request a quote
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Description

With its compact design, the model HLS-M float switch for horizontal installation in miniature design is ideally suited for use in small tanks, for indicating minimum/maximum levels.

The float is attached to a supported, swivelling lever and moves with the level of the medium being measured. By means of a permanent magnet, when a preset switch point is reached, a reed contact (inert gas contact) is actuated.

By using a magnet and reed contact the switching operation is non-contact, free from wear and needs no power supply.

The contacts are potential-free.

Fig. top: Plastic version, model HLS-M11 Fig. bottom: Stainless steel version, model HLS-M22

The switching function refers to a rising liquid level: Standard use as normally open contact (can be used as normally closed contact by a 180° rotation).

The float switch is simple to mount and maintenance-free, so the costs of mounting, commissioning and operation are low.

Special features

  • Lateral installation in the tank
  • Operating limits: Operating temperature: T = -40 ... +120 °C Operating pressure: P = 5 bar Limit density: ρ ≥ 800 kg/m 3
  • Operating temperature: T = -40 ... +120 °C
  • Operating pressure: P = 5 bar
  • Limit density: ρ ≥ 800 kg/m 3
  • Plastic and stainless steel versions
  • Space-saving installation
  • Switch consists of only one component
Identification
ModelHLS-M11
Product familyHLS-M
Subcategoryfloat switch
Process conditions
Process connection
Male thread G1/4"G1/41/2 NPTG1/8
Process temperature−10…+80 °C
Max process pressure1 bar
Measurement technologyfloat
Electrical characteristics
Output signalpotential-free contact · normally open (can be used as normally closed) · normally open contact · can be used as normally closed contact by 180° rotation
Power supplySafety extra-low voltage
Electrical connectionCable connection PVC stranded wires, 2 x 0.5mm², Cable length 0.3m
Materials
Wetted parts materialPolypropylene, Stainless steel 1.4301
Operating environment
Ambient temperature−40…+120 °C
IP ratingIP65
Certifications and approvals
Certifications
RoHSCE
Additional details
Datasheet languagesEN
Tables from datasheet
Float switch modelDescriptionInstallationElectrical connection
HLS-M11Plastic versionFrom insideCable
HLS-M12Plastic versionFrom outsideCable
HLS-M21Stainless steel versionFrom insideCable
HLS-M22Stainless steel versionFrom outsideCable
HSL-M23Stainless steel versionFrom outsideConnector
LogoDescriptionCountry
EU declaration of conformity RoHS directiveEuropean Union
Specifications
Switching power Normally open contact (can be used as normally closed contact by a 180° rotation)< AC 25 V; 25 VA; 0.5 A < DC 60 V; 25 W;0.5 A Attention: Operation only at safety extra-low voltage, e.g. with contact protection relay
Mounting positionHorizontal
Limit density≥ 800 kg/m 3
Medium temperature-10 …+80 °C
Ingress protectionIP65
Max.operating pressure1 bar
MaterialPolypropylene
Process connectionMale thread G1/4"
MountingFor installation in the tank from inside
FloatOuter diameter15mm Length25mm
Electrical connectionCable connection PVC stranded wires, 2 x 0.5mm 2 Cable length 0.3m
Order number117612
Specifications
Switching power Normally open contact (can be used as normally closed contact by a 180° rotation)< AC 50 V; 25 VA; 0.5 A < DC 75 V; 25 W;0.5 A Attention: Operation only at safety extra-low voltage, e.g. with contact protection relay
Mounting positionHorizontal
Limit density≥ 800 kg/m 3
Medium temperature-40 …+120 °C
Ingress protectionIP65
Max.operating pressure5 bar
MaterialStainless steel 1.4301
Process connectionMale thread G1/8"
MountingFor installation in the tank from inside
FloatOuter diameter17mm Length47mm
Electrical connectionCable connection PVC stranded wires, 2 x 0.5mm 2 Cable length 0.5m
Order number118330