Leviton DZ15S-1BZ 15A Decora Smart with Z-Wave Plus Technology Switch

Hot, neutral, load and ground all have to be present in the box. The neutral is the one that stops most retrofits in older buildings, since a lot of pre-1990s switch loops only pull hot and load. Pull the plate and confirm you have a neutral bundle before you buy. A traveler is only needed if you are wiring a multi-switch application, and even then it's optional.

Go smart only where you actually want scheduling, remote control or voice. The Decora Smart Z-Wave Plus switch needs a neutral and a hub, which adds cost and a network to maintain in every room it touches. For plain on/off in a corridor, closet or mechanical room, a commercial spec grade device is the simpler buy: the Pass & Seymour CS15AC3W or the ivory CS15AC3I are commercial specification grade toggles, and the Hard Use CSB20AC4I is the ivory spec grade toggle for abuse-prone locations. If you want a decorator paddle look without the smarts, the Pass & Seymour 2623W is a specification grade 3-way paddle rated 20A at 120V/277V.

Without a neutral the Decora Smart Z-Wave switch is out, since hot, neutral, load and ground are all required. For a conventional 3-way with the same paddle look, the Pass & Seymour 2623W is a specification grade 3-way decorator paddle rated 20A at 120V/277V, and it wires like any mechanical 3-way. You lose remote and voice control, but it drops into the existing traveler wiring.

The Leviton DZ15S-1BZ is a Z-Wave Plus switch and requires a hub, so a room with no automation gets nothing from it. The Pass & Seymour CS15AC3W commercial specification grade toggle switch in white covers the same job as a plain manual switch, and the Pass & Seymour 2623W specification grade decorator paddle switch keeps the wide rocker feel of a Decora face while operating manually. Choose the CS15AC3W where the building already uses toggles and the 2623W where the other devices in the room are paddle style.

Multi-location control with the Leviton DZ15S-1BZ is built with a companion device, the DD0SR-1 coordinating remote or the DD0SR-DL matching remote with LED indicator, and a traveler is optional for multi-switch applications. If you want a conventional wired three-way instead, the Pass & Seymour 2623W is a specification grade 3-way decorator paddle switch rated 20A 120V/277V in white, wired with travelers between the two locations and no hub or remote in the circuit.

No. The wallplate is sold separately, so add a Decora style opening plate to the order or the switch goes in bare. Face plates in white and light almond are included, but those are the device faces, not the wall plate. Count your gangs before you order, since a smart switch in a two or three gang box still needs the matching multi-gang Decora plate.

It is rated 120/277 VAC, so it covers both the 120V residential side and the 277V leg used on commercial lighting branch circuits. That is the spec to check when you're standardizing smart switching across a mixed office and back-of-house building rather than buying a residential-only device.

White is the base color, and a light almond face is included in the box so you can swap it at install. For black, gray or brown, Leviton sells DDKIT color change kits. That matters if you're matching a floor of existing ivory or brown devices instead of replacing all of them.

On/off only. The DZ15S-1BZ is a switch, so it makes and breaks the load rather than dimming it. That is the reason it carries a 600W LED/CFL and 1800W incandescent rating instead of a dimmer's much tighter LED wattage window. If the fixtures need to dim, you want a Decora Smart dimmer, not this device.

The part is Leviton DZ15S-1BZ, Decora Smart line, 15A Z-Wave Plus switch, UPC 078477764909. Per opening you also need a Decora wallplate, which ships separately. Add a DD0SR-1 or DD0SR-DL remote for any location controlled from two points, and a DDKIT color change kit for any unit where white or light almond is the wrong face. One Z-Wave hub covers the network; it is not part of the switch.

The Leviton DZ15S-1BZ ships white, with white and light almond faces included, and color change kits are offered in black, gray, brown and ivory. If you would rather buy the device in ivory outright, the Pass & Seymour CS15AC3I is a commercial specification grade switch in ivory and the Pass & Seymour CSB20AC4I is a hard use specification grade toggle switch in ivory. Both are manual switches, so the automation goes away with the color change.

No. The Bussmann TPHCS-250 is a TPH series high-current switch rated 80 Vdc with a 100kA SCCR, a DC power switching device. The Leviton DZ15S-1BZ is a 15 A wall switch for 120/277 VAC branch lighting. They are not interchangeable in either direction; for an AC wall box, stay with a device like the Pass & Seymour CS15AC3W commercial specification grade toggle switch.

The Pass & Seymour CSB20AC4I is a hard use specification grade toggle switch in ivory rated 20A, built for repeated switching in corridors, laundry rooms and stairwells. The Pass & Seymour CS15AC3W is a commercial specification grade toggle in white for the same kind of location at 15 amps. Both give up the Z-Wave Plus control and the Alexa, Google Home, SmartThings, Wink and Ring compatibility the Leviton DZ15S-1BZ carries, so use them where the circuit is switched by hand.

Yes, by matching the face style. The Leviton DZ15S-1BZ is a Decora Smart 15 A device with a paddle face, and the Pass & Seymour 2623W is a specification grade decorator paddle switch rated 20A 120V/277V in white, so both read as the same wide rocker on the wall. Put the DZ15S-1BZ where a hub is present and the 2623W where control is manual. Note that a wallplate is sold separately for the DZ15S-1BZ, so plate counts stay the same across both.