Low Air Pressure Switch 280/420 kPa (APS60)

Low air pressure warning switch (APS60), cut-in at approximately 420 kPa / cut-out at approximately 280 kPa (nominally 60 PSI range). Activates a warning light or buzzer when system air pressure drops below the safe operating threshold. Designed for air brake systems on trucks, trailers, and heavy commercial vehicles.

Part No: 51-7994015 | Supplier Code: APS60 | Cut-in: ~420 kPa | Cut-out: ~280 kPa

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NZ$ 21.55 excluding GST

NZ$ 24.78 including GST

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Product Code:

51-7994015

Information
Features
Specifications

Air brake systems require adequate reservoir pressure to function safely. The low air pressure switch monitors system pressure and closes to activate a warning light or buzzer on the dash when pressure falls to an unsafe level, alerting the driver before braking performance is compromised. Required by law on air-braked heavy vehicles.

Activates warning at low air pressure – critical safety function for air brake systems
~420 kPa cut-in / ~280 kPa cut-out pressure range
Thread 1/8 NPT
Suitable for trucks, trailers, and heavy commercial vehicle air systems
APS60 specification

Specification	Value
Part Number	51-7994015
Supplier Code	APS60
Thread	1/8 NPT
Type	Low air pressure warning switch
Cut-in Pressure	~420 kPa (approx. 60 PSI)
Cut-out Pressure	~280 kPa (approx. 40 PSI)
Application	Air brake systems – trucks, trailers, heavy vehicles

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Low Air Pressure Switch 280/420 kPa (APS60)

Information

Features

Specifications