Littelfuse TAC1413, TAC1 Series, 120VAC, On-Delay Time Delay Relay SPST-NO (1 Form A) 3 Sec Delay Chassis Mount
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The TAC1 Series was designed to delay the operation of a compressor relay. It eliminates the possibility of relay chatter due to half-wave failure of the output. It connects in series with the load relay coil and provides a delay-on-make time delay each time input voltage is applied. It can be used for random start, anti-short cycling, sequencing, and many other applications. It is an excellent choice for all air conditioning and refrigeration equipment.
Operation (Delay-on-Make)
Upon application of input voltage, the time delay begins. The output is de-energized before and during the time delay. At the end of the time delay, the output energizes and remains energized until input voltage is removed.
Reset: Removing input voltage resets the time delay and output
Pre-order 6-8 Weeks
| Time Delay | |
| Type | Analog circuitry |
| Range | 0.05 - 600s in 4 adjustable ranges or fixed |
| Repeat Accuracy | ±2% |
| Tolerance (Factory Calibration) | ±20% |
| Recycle Time | ≤ 20ms after timing, during timing - 0.1% of time delay or 75ms, whichever is greater |
| Time Delay vs Temp. & Voltage | ≤ ±10% |
| Input | |
| Voltage | 24, 120, or 230VAC |
| Tolerance | ±20% |
| AC Line Frequency | 50/60 Hz |
| Output | |
| Type | Solid state |
| Form | NO, open during timing |
| Rating | 0.5A steady state, 10A inrush at 60°C |
| Voltage Drop |
120 & 230VAC: ≅ 4.2V @ 0.5A 24VAC: ≅ 2.5V @ 0.5A |
| Protection | |
| Circuitry | Encapsulated |
| Dielectric Breakdown | ≥ 2000V RMS terminals to mounting surface |
| Insulation Resistance | ≥ 100 MΩ |
| Mechanical | |
| Mounting | Surface mount with one #10 (M5 x 0.8) screw |
| Dimensions |
H 50.8 mm (2”); W 50.8 mm (2”); D 30.7 mm (1.21”) |
| Termination | 0.25 in. (6.35 mm) male quick connect terminals |
| Environmental | |
| Operating/Storage Temperature | -40° to 80°C / -40° to 85°C |
| Humidity | 95% relative, non-condensing |
| Weight | ≅ 2.4 oz (68 g) |