Built for wet and demanding locations
This 150W unit is a sealed 12V DC LED driver designed for indoor and outdoor service. The IP67 enclosure keeps moisture and dust out of the electronics, which is why installers reach for it when the power supply has to live outside the conditioned envelope: behind a sign cabinet, in a soffit, under a deck structure, in a parking garage or inside an exterior junction enclosure. Mounting brackets are part of the body, so the driver can be screwed flat to a wall, a joist, a steel channel or the inside of an equipment box without extra hardware.
Output and sizing
The driver delivers a constant 12V DC output at 12.5A, for a maximum output wattage of 150W. As with any LED power supply, size the load below the maximum rather than right at it, and plan the run lengths so voltage drop does not starve the far end of the circuit. On larger layouts, professionals typically split the total load across several protected branches rather than running one long, heavily loaded pair of conductors from a single output — which is exactly the kind of engineering this Class 1 product is meant for.
Class 1: what that really means
A Class 1 transformer is not interchangeable with the small drivers sold for residential LED tape. Powerful Class 1 units are reserved for professional LED applications involving load division through recognized fuses, plus inspection and recertification of the installation by an accredited body such as UL, Intertek or QPS. Your electrician does not have the authority to complete that inspection. For standard low-voltage LED strip projects, the correct choice is a Class 2 driver with a maximum of 60W at 12V, which creates an installation compliant with certification standards and the electrical code with no inspection required. Using a transformer beyond the permitted maximum voids product warranties.
Technical specifications
SKU: 12V12AETLPSU
Brand: LED MONTREAL
Output: 12Vdc 12.5A
Maximum output wattage: 150W
Class: Class 1
Ingress protection: IP67, indoor / outdoor
Dimensions: 22 cm long (24.2 cm including brackets) x 6.9 cm wide x 4.2 cm high
Applications and documentation
Think commercial and specified work: illuminated signage and channel letters, architectural accent lighting on a façade, low-voltage 12V lighting in a restaurant or boutique, landscape and site lighting, and industrial or institutional retrofits where the engineer has designed the low-voltage distribution. In each case the 150W LED power supply should be installed by a qualified electrician, wired to a dedicated protected circuit, kept accessible for service, and never buried where heat cannot escape. The Documentation tab holds the technical PDF for this driver, with the output, wattage and dimensional data you need for shop drawings, panel schedules and inspection submittals — download it before you finalize the layout so the enclosure, brackets and conductor routing are all confirmed on paper first.