Brochure

Mechanical Time Switches
Mechanical Time Switches
32
24-Hour with 15-Minute Interval
T1900 and T1970 Series
24-Hour with 15-Minute Interval
This series of mechanical time switches offers more exible
scheduling capabilities by offering 15-minute intervals. These units
also come with trippers that slide in or out easily for fast and accurate
settings. All units can control up to 20 A of electrical load and
have a single pole double throw switch.
Applications
• Poultry feeders • Filters • Heaters • Blowers • Dairy equipment
• Foggers • Fans • Lighting • Various other electrical loads
Features
• Provides up to 96 operations (48 ON/48 OFF)
every 24 hours
• Models with skipper wheel allow for operations to be
omitted on selected day(s) of the week
• 15-minute intervals
• Trippers slide in and out of dial for fast, accurate setting
Model # Switch Input Voltage Skipper Wheel
Metal Indoor Enclosure
T1905*
SPDT 125 VAC, 60 Hz No
T1905E*
SPDT 480 VAC, 60 Hz No
T1906*
SPDT 208-277 VAC, 60 Hz No
T1975†
SPDT 125 VAC, 60 Hz Yes
T1976†
SPDT 208-277 VAC, 60 Hz Ye s
T1975E†
SPDT 480 VAC, 60 Hz Yes
Metal Outdoor Enclosure
T1975R
†
SPDT 125 VAC, 60 Hz Yes
T1976R†
SPDT 208-277 VAC, 60 Hz Ye s
T1975ER†
SPDT 480 VAC, 60 Hz Yes
Plastic Indoor/Outdoor Enclosure
T1905P*
SPDT 125 VAC, 60 Hz No
T1905P
Ratings
Resistive 20 A, 125-480 VAC
Motor 1/2 HP, 125 VAC
1 HP, 250 VAC
Max Power Consumption 3 W
Operating Temperature -40º F to 130º F (-40º C to 54º C)
Enclosure Dimensions H x W x D
Metal Indoor 7
7
⁄8" x 5
1
⁄8" x 3
7
⁄16" (200 mm x 130.2 mm x 87.3 mm)
Metal Outdoor 10
1
⁄8" x 6 ½" x 3
5
⁄8" (257.2 mm x 165.1 mm x 92.1 mm)
Plastic Indoor/Outdoor 10" x 6 ½" x 4" (254 mm x 165.1 mm x 101.6 mm)
Knockout Dimensions
Side/Back (1) ½" and ¾" combination
Bottom (2) ½" and ¾" combination
Wire Size #12 - #14 AWG
Warranty 1-year
For enclosure options and dimensions, see pages 164-165
Accessories/Replacement
*Replacement Snap Switch 133T701A
†Replacement Snap Switch 133T698A