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Learn more by watching our NLS 40080 | Trailing Edge Push Button Dimmer Mechanism 10-350VA video.
The National Light Sources NLS 40080 is a trailing edge phase-control dimmer mechanism rated 10-350VA for 240V mains-powered circuits. It uses trailing edge dimming to deliver smooth, flicker-free control of incandescent, halogen, electronic transformer, and dimmable LED loads without the buzz or dimming lag common on older designs. The 40080 is a mechanism-only unit designed to install alongside a standard push button switch mechanism for combined on/off and dimming control.
Tradies working with LED downlight retrofits rely on trailing edge dimmers because they handle modern dimmable LED drivers without the compatibility issues that plague cheaper leading edge designs. The 40080 fits standard wall boxes and integrates seamlessly into NLS Classic-style and Clipsal 2000-series grid plates for a clean, unified aesthetic across renovation and new-build installations. Most electricians spec the 40080 when upgrading older incandescent circuits to dimmable LED because the smooth dimming curve matches customer expectations and eliminates the flicker and stepping that frustrates end users on new LED installations.
The NLS 40080 delivers solid value for residential downlight circuits and pendant fitting applications. Trailing edge phase control produces near-silent operation compared to leading edge alternatives, and the overload and thermal protection ensure long-term reliability even when stacked in multi-gang configurations. Single units are straightforward to install; multi-gang derating rules apply when two or more dimmers share the same plate to prevent thermal overlap. The push button mechanism clicks smoothly through a full dimming range without dead zones, and the low-brightness blue status light is visible enough for nighttime use but stays dark in idle mode to minimise visual intrusion.
The NLS 40080 is not suitable for non-dimmable LED lights, motor-driven appliances (fans, pumps, compressors), or external/damp exposed locations. This is an interior dimmer mechanism rated for dry indoor circuits only. Installation by a licensed electrician is required; the dimmer must be paired with a separate 10A push button switch mechanism for combined control.
Verified Sparky Direct customer reviews: National Light Sources NLS 40080 (40080)
"Great dimmer, better than a lot of them out there." — James
"Button Dimmer is intuative and is easy to use and install." — Justin
"Fast shipping, great product." — Nic J
(40080)
The NLS 40080 is rated 10-350VA on a 240V circuit. Minimum load is 10W; maximum is 350W. When two or more 40080 units are stacked on the same gang plate, each dimmer derate to lower loads to prevent thermal overlap (two dimmers = 300VA each; three = 250VA each; four = 200VA each).
Yes, the NLS 40080 is designed for dimmable LED downlights and LED drivers. Trailing edge phase control produces smooth, flicker-free dimming without the colour shift or stepping common on cheaper leading edge dimmers. Verify your LED driver is marked "dimmable" before installation.
Yes, the 40080 is compatible with incandescent lamps, halogen lamps, electronic transformers, and dimmable LED drivers. It does not work with non-dimmable LEDs, fans, motors, or other inductive appliances.
The 40080 is a mechanism-only unit. It installs beside a separate 10A push button switch mechanism on the same gang plate. The switch handles ON/OFF; the 40080 handles dimming. Together they provide combined control on a single grid.
No, the 40080 is rated for interior use only. It is not suitable for external walls, damp areas, bathrooms, kitchens at splash zones, or weatherproof installations. Use only on dry indoor circuits.
The subtle blue status light on the button indicates the dimmer is powered. It is visible at night to help locate the dimmer in the dark but remains inactive during the day, maintaining a clean aesthetic.
The National Light Sources 40080 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Domestic Use: 2 Year
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These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | NATIONAL LIGHT SOURCES |
| SKU | 40080 |
| Model # | 40080NLS |
| Barcode # | 9336700014780 |
| Package Weight | 0.030kg |
| TYPE | VALUE |
|---|---|
| Type | Switches |
| Protection | Overload and Thermal |
| Voltage (V) | 240 |
| Wattage (W) | 350 |
| Dimmable | Yes |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
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