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The THDB Series combines accurate timing circuitry with high power, solid-state switching. It can switch motors, lamps, and heaters directly without a contactor. You can reduce labor, component cost, and increase reliability with these small, easy-to-use, THDB Series timers.
Operation (Delay-on-Break)
Input voltage must be applied before and during timing. Upon closure of the initiate switch, the output energizes. The time delay begins when the initiate switch is opened. The output remains energized during timing. At the end of the time delay, the output de-energizes. The output energizes if the initiate switch is closed when input voltage is applied.
Reset: Reclosing the initiate switch during timing resets the time delay. Loss of input voltage resets the time delay and output.
- Microcontroller based
- High load currents up to 20A, 200A inrush
- Totally solid state and encapsulated
- Metalized mounting surface
- Compact, low cost design
- Repeat accuracy + / - 0.5%, Factory calibration + / - 1%
- Allows direct operation of motors, lamps and heaters without a contactor
- No moving parts to arc and wear out over time and encapsulated to protect against shock, vibration, and humidity
- Facilitates heat transfer in high current applications
- Allows flexibility for OEM applications and reduces labor and components costs
THDB Parts
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| 120 V ac | NO - closed before and during timing | 0.1 - 10 s externally adjustable | 2 H x 2 W in. (50.8 x 50.8 mm) | ||||
| 120 V ac | NO - closed before and during timing | 1 - 100 m onboard adjustable | 2 H x 2 W in. (50.8 x 50.8 mm) |
