Westach ApQ12B3D1205VlL20% Fuel Probe With Low Level Warning

Westach AP-Q12B3-D120-5VLL20% is a capacitance fuel level sender with an integrated low-level warning contact. The 305 mm probe incorporates a 76 mm bendable section to support installation where probe routing requires adjustment.

Designed for 12 or 24 VDC electrical systems with a maximum input of 28 VDC, this sender provides a 0–5 VDC fuel-level output. The low-level warning contact is set at 20% and is rated to 200 mA maximum.

• Manufacturer part number: AP-Q12B3-D120-5VLL20%
• Capacitance fuel level sender
• Probe length: 305 mm
• Bendable section: 76 mm
• Probe outside diameter: 6.4 mm
• Input: 12/24 VDC, 28 VDC maximum
• Output: 0–5 VDC
• Low-level warning contact: set at 20%; 200 mA maximum
• Typical SAE mounting pattern

Confirm mechanical fitment, electrical interface and installation requirements against the applicable aircraft documentation and the manufacturer’s AP-Fuel Level instructions before installation.