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  • Parameters
LC 013/LCF 013
Contact typereed / magnet contact
Normally Closed (NC) switch contact open when air is flowing
Normally Open (NO) switch contact closed when air is flowing
Max. switching voltageNC: 240VDC (UL), 240V AC/DC (VDE) / NO: 60VDC
Max.switching current NC: DC 500mA / NO: DC 170mA
Max. switching capacity10W (resistive load)
Switching threshold of airflow velocity>2.5m/s (hysteresis:>1m/s)
Max.airflow velocity50m/s
Contact resistance<370mΩ (with wire)
Max. air humidity70% RH (not precipitating)
Service life>100,000 cycles
Connection2×single strand AWG26, length 500mm, tip of stranded
wire 5mm stripped and tinned (NC:black, NO:blue)
Mountingalternatively integrated integrated in protective grille (see table).
mounting clamp or mounting clip
Casingplastic according to UL94-HB, black
Fitting positionbidirectional tab perpendicular to airflow
Operating / Storage temperature-20 to +50°C (-4 to +122°F) / -20 to +80°C (-4 to +176°F)
Protection typeIP20

Model Art. No. (NC) Art. No. (NO) Dimensions Weight (approx.)
LC 013 01300.0-0001300.1-0034×17.5×7.5mm5g
LCF 013 01301.0-0001301.1-0080×88×10.5mm 20g
LCF 01301302.0-0001302.1-0092×92×10mm20g
LCF 01301303.0-0001303.1-00120×120×10mm30g

  • Features

> Mechanical switch contact

> Versatile fields of application

> Small size

> Easy to connect

  • Structure Chart

Panel Parts Structure Chart

  • Certification
  • Application

The airflow monitor (NC/NO) is designed to indicate the loss of air movement of a fan or filter fan. The contact detects the loss of air movement caused by fan failure or blocked filter media regardless of direction of air. Its simple mechanical operation makes is a viable alternative to electronic monitoring systems.


The LC 013 is used as a signal contact to monitor fans or filter fans in stationary, self-contained Protection Class I enclosures. It can be connected to monitoring systems with remote control or can directly switch alarm devices, such as LED’s or signal lamps. Loads with capacities exceeding the indicated switching capacity must be switched via a relay, e.g. our electronic relay SM 010. The airflow monitor with NC contact closes upon loss of air movement, i.e. it indicates fan failure (e.g. red signal lamp). The NO contact closes when fan is in operation and serves as optical function display (e.g. green signal lamp).

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