Intermatic
Intermatic T1905E 24-hour electromechanical timer SPDT 20 A 480 V AC steel enclosure
A 24-hour electromechanical timer with SPDT contacts rated at 20 A and 480 V AC, housed in a steel NEMA 1 enclosure
- 24-hour scheduling with 15-minute minimum intervals
- SPDT contact rated 20 A at 480 V AC
- Steel enclosure rated NEMA 1 for indoor protection
- Operates from -40 to +130 °F ambient temperature
- Includes 96 trippers for up to 48 on/off cycles
Intermatic T1905E 24-hour timer
The Intermatic T1905E is a 24-hour electromechanical timer designed for controlling electrical loads on a daily schedule. It features a single-pole double-throw contact rated at 20 A and 480 V AC, housed in a steel enclosure with a NEMA 1 rating. This timer suits industrial and commercial applications requiring repetitive on-off cycling.
Suits daily scheduling up to 48 cycles
This unit suits users needing up to 48 on-off cycles per day with a minimum setting of 15 minutes and a maximum of 23-3/4 hours. It includes 96 trippers for flexible programming. Buyers needing astronomic functions, day-skipping capability, or multi-day programming should look at other models.
SPDT contact rated 20 A at 480 V AC
The single specification that decides fit is the SPDT contact rated 20 A at 480 V AC with 1 hp at 240 V and 1/2 hp at 120 V. Verify that your load matches these electrical ratings and that the steel NEMA 1 enclosure meets your installation environment requirements.
Highlights
- 24-hour scheduling with 15-minute minimum intervals
- SPDT contact rated 20 A at 480 V AC
- Steel enclosure rated NEMA 1 for indoor protection
- Operates from -40 to +130 °F ambient temperature
- Includes 96 trippers for up to 48 on/off cycles
Specifications
| Brand | INTERMATIC |
|---|
Questions about this item
What electrical supply do I need to run the T1905E timer?
The timer requires a 480 V AC circuit rated for at least 20 A and a compatible single-pole SPDT load such as a 1 hp motor at 240 V or a 1/2 hp motor at 120 V.
Will the T1905E timer fit inside my existing NEMA 1 steel enclosure?
The unit measures 5 in wide, 3 in deep and 7 3/4 in high, so it fits standard NEMA 1 steel enclosures with at least that much internal clearance.
How can I verify the timer is switching correctly after installation?
With power applied, watch the dial rotate through the 24-hour cycle; each of the 96 trippers should trigger the SPDT contacts at the set on and off times, giving up to 48 cycles per day with a minimum 15-minute interval.
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