Littelfuse TDB230AL, TDB Series, Relay-Output, Delay-on-Break Timer, 230VAC, 1–1023s Time Setting, 8 Pins, SPDT Contact Form

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The TDB Series combines accurate digital circuitry with isolated, 10A, DPDT or SPDT contacts in an 8 or 11-pin plug-in package. The TDB Series features DIP switch selectable time d elays ranging from 0.1-10,230 seconds in three ranges. The TDB Series is the product of choice for custom control panel and OEM designers. Operation (Delay-on-Break)Input voltage must be applied to the input before and during timing. Upon closure of the initiate switch, the output relay is energized. The time delay begins when the initiate switch is opened (trailing edge triggered). The output remains energized during timing. At the end of the time delay, the output de-energizes. The output will energize 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. Pre-order 6-8 Weeks *UL Listed when used with Part Number OT08-PC, RB08-PC, OT11-PC, or RB11-PC manufactured by Custom Connector Corp. Note: Manufacturer's recommended screw terminal torque for the OT series sockets is 12 in-lbs. Time Delay Type Digital integrated circuitry Range 0.1–102.3 s in 0.1 s increments1–1023 s in 1 s increments10–10,230 s in 10 s increments Repeat Accuracy ±0.1 % Setting Accuracy ±2 % Reset Time ≤ 150 ms Time Delay vs Temp. & Voltage ±5 % Indicator LED indicates relay is energized Initiate Time ≤ 60 ms Input Voltage 12, 24/28 V dc; 24, 120, or 230 V ac Tolerance 12 V dc & 24 V dc/ac -15% – 20%120 & 230 V ac -20% – 10% AC Line Frequency 50/60 Hz Power Consumption ≤ 3.25W Output Type Electromechanical relay Form SPDT or DPDT Rating 8 A resistive @ 120/240 V ac;1/3 hp @ 120/240 V ac Life Mechanical - 1 x 107 ; Electrical - 1 x 10⁶ Protection Isolation Voltage ≥ 1500 V rms input to output Polarity Dc units reverse polarity protected Mechanical Mounting Plug-in socket Dimensions H 44.45 mm (1.75”); W 60.33 mm (2.38”);D (with socket) 104.78 mm (4.13”) Termination Octal 8-pin plug-in or 11-pin plug-in Environmental Operating/Storage Temperature -20 °C to 65 °C / -30 °C to 85 °C Safety Marks UL (socket required)* UL 508 (E57310) Weight ≅ 4 oz (113 g Show more