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Round blue illuminated 16mm aluminum push button switch with threaded body and metal nut

JacobsParts Inc.

JacobsParts Inc. LTCH-D3-BLU 16mm 12V Blue LED Momentary Disconnect

SKU CH-N802-X2NAW MPN LTCH-D3-BLU

16 mm IP67 momentary push-button with blue 12 V LED, 5 A rating and aluminium body

  • TypePushbutton
  • Amps5 Amps
  • Voltage12 Volts
  • MaterialAluminum
  • IP RatingIP67
  • FeaturesWaterproof
  • Momentary action gives precise on‑only‑while‑pressed control
  • Blue LED at 12 V DC 15 mA provides clear status indication
  • IP67 rating protects against water and dust ingress
  • 16 mm panel cutout with aluminium zinc alloy body fits standard mounts
  • Rated 250 V AC/DC 3 A for reliable switching up to 55 °C

16mm momentary switch for 12V projects

This 16mm panel-mount pushbutton is built for 12V DC circuits and rated at 5 amps. The momentary action closes the circuit only while the button is pressed, making it suitable for starter, horn or PC power functions. An aluminium body and IP67 rating allow use on motorcycles, boats or exposed control panels. The blue LED can be wired independently so it stays lit or lights only on actuation.

Thermals and power in normal use

The LED draws 15mA at 12V while the contacts handle up to 3A at 250V AC or DC. No active cooling is required and the switch operates silently because it has no moving parts beyond the button mechanism. The aluminium housing dissipates the small contact heat passively across its -20°C to 55°C operating range. Power draw remains negligible in any momentary application.

Build quality and daily mounting

A 16mm circular cutout and 18mm faceplate fit standard panels up to 16mm thread depth. The included metal nut and optional rubber O-ring secure the switch and reinforce the IP67 seal against splashes. Screw terminals accept solid or stranded wire for reliable field connections. Total depth behind the panel is 36mm, so allow clearance for wiring in tight enclosures.

Highlights

  • Momentary action gives precise on‑only‑while‑pressed control
  • Blue LED at 12 V DC 15 mA provides clear status indication
  • IP67 rating protects against water and dust ingress
  • 16 mm panel cutout with aluminium zinc alloy body fits standard mounts
  • Rated 250 V AC/DC 3 A for reliable switching up to 55 °C

Specifications

TypePushbutton
Amps5 Amps
Voltage12 Volts
MaterialAluminum
IP RatingIP67
BrandJacobsParts
ModelLTCH-D3-BLU
FeaturesWaterproof

Questions about this item

How do I install the 16 mm momentary switch and which step is often done incorrectly?

Drill a 5/8 inch hole, thread the switch through, and tighten the metal nut from behind; the common mistake is forgetting the rubber O-ring that provides the IP67 seal.

What maintenance will the blue LED and switch contacts need over time?

The LED runs at 12 V and 15 mA with no user-serviceable parts; the momentary contacts are rated for 3 A at 250 V and require no scheduled maintenance.

What is the first limit reached during continuous operation of the illuminated switch?

The operating temperature ceiling of 55 °C is the first constraint; sustained current above 3 A or ambient heat beyond that point will trip the thermal limit.

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