H-MOSS® Occupancy Sensors
Wall Switches and Digital Timer
Featuring Passive Infrared Technology
Occupancy Sensors
®
AT127 7W ATP 12 77W
WS1277W WS120W
Adaptive Technology, Passive Infrared
• Adaptive technology - “Install and forget”
operation
• Passive infrared technology
• Dual 120/277V AC operation, no neutral required
• Heavy duty relay (AT1277)
Description 120V AC 277V AC Color Catalog Number
One Button 1800W Incandescent 4155W Fluorescent Ivory
One Button 800W Incandescent
800W Fluorescent
• Audible alarm before turning lights off (AT1277)
• 1200 sq. ft. coverage
• Built in photocell for daylight harvesting
• Nylon wallplate included
• cULus, CEC Title 24 Certified
AT127 7I
White
1200W Fluorescent Ivory
White
Gray
AT127 7W
ATP 12 77I
ATP 12 77W
ATP 12 77GY
Passive Infrared Wall Switches
• Passive infrared technology
• Manual adjustment time delay
(WS1277 - 20 sec. to 30 min.)
(WS120/WS277 - 30 sec. to 30 min.)
• Photocell (WS1277I, WS1277W)
Description Coverage 120V AC 277V AC Color Catalog Number
One button;
1200 sq. ft. 800W 1200W Ivory
120/277V AC
One button;
120V AC
One button;
900 sq. ft. 800W Incandescent
1000W Fluorescent
900 sq. ft. N/A 1800W
277V AC
Double pole;
120/277V AC
1000 sq. ft. 600W Incandescent*
1000W Fluorescent*
*per circuit
Two-gang adapter wallplate for WS1277W2 to mount to a 2-gang box. WSAP
• Bi-level switching (WS1277W2)
• Wallplate included
• No neutral required
• cULus, CEC Title 24 Certified
White
N/A Ivory
White
Ivory
Fluorescent
1800W
White
White WS1277W2
Fluorescent
WS1277I
WS1277W
WS120I
WS120W
WS277I
WS277W
WS1277W2
Coverage Patterns
Minor Motion:
(3.0m)
Wall Switches and Digital Timer with Passive Infrared Technology H-MOSS
DT1277W
20'
(6.1m)
10'
14.5"
(36.8cm)
Mounting Height
42" to 54"
(106.7 to 137.2cm)
AT127 7, AT P1277
Digital Timer Wall Switch
Description 120V AC 277V AC Color Catalog Number
Dip switch enabled preset intervals
- 5,15 or 30 minutes
- 1, 3, 6, 9 or 12 hours
Includes an on/off momentary push button
switch feature
Major Motion:
29"
(73.3cm)
3.5º
3.5º
See Horizontal
View for Range
800W 1200W White DT1277W
PIRPIR
40'
16'
16'
16'
16'
35'
36'
36'
36'
WS1277W2WS120, WS277AT1277, ATP12 77, WS12 77Vertical Coverage
D-6