Thomas Research Products • 1215 Bowes Rd • Elgin, IL 60123 • T 847-515-3057 • F 847-515-3047 • www.trpssl.com

Pg 2 of 2

0-10V

Dimmable

Driver

LED

Light

Engine

Black

Neutral

White

White

S1

S2

Wall Box

Black/White

Black/White

Purple

Gray

Black

Purple

Gray

120-277V Line In

Single Phase

SD

Module

0-10V

Dimmable

Driver

LED

Light

Engine

Black

Neutral

White

White

Black

White

Red

Lighting Control

Panel/Contactor

Black/White

Black/White

Purple

Gray

Black

Purple

Gray

120-277V Line In

SD

Module

Occupancy Sensor,

Fixture-mounted

(example: WASP2 from

Hubbell Building Automation )

Single Phase

Standard Wiring:

Wiring with

Occupancy Sensor:

Note:

Lead placement on wiring

diagram is optimized for clarity,

and not intended to reflect

actual lead exit locations on

SD case.

Note:

Incoming power from branch must be on same phase. Do not use with multiple phases.

Wiring Diagrams

SD2 Step-Dimming Module