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

SW

SW

Wall Box

Black/White

Black/Red

Purple

Gray

Black

Purple

Gray

120-277V Line In

SD

Module

Single Phase

0-10V

Dimmable

Driver

LED

Light

Engine

Black

Neutral

Occupancy Sensor,

Fixture-mounted

(example: WASP2 from

Hubbell Building Automation )

White

White

Black

White

Red

Black/White

Black/Red

Purple

Gray

Black

Purple

Gray

120-277V Line In

SD

Module

Single Phase

0-10V

Dimmable

Driver

LED

Light

Engine

Black

Neutral

Occupancy Sensor,

Fixture-mounted

(example: WASP2 from

Hubbell Building Automation)

White

White

Black

White

Red

Black/Red

Black/White

Purple

Gray

Black

Purple

Gray

120-277V Line In

SD

Module

Single Phase

Standard Wiring:

Wiring with

Occupancy Sensor:

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.

Example 1:

Driver output is 100% when

space is occupied, 50% with

no occupancy (SD3-25)

Driver output is 100% when

space is occupied, 66% with

no occupancy (SD3-33)

Example 2:

Driver output is 100% when

space is occupied, 25% with

no occupancy (SD3-25)

Driver output is 100% when

space is occupied, 33% with

no occupancy (SD3-33)

Wiring Diagrams

SD3 Step-Dimming Modules

Note:

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