CII Mid-Range Relays CII Mid-Range Relays Table of Contents TD2 Series Time Delay Relays, per MIL-PRF-83726/28, /29, /30, & /31 . 5-2 5-5 Double-pole, Electrically Held, 5 Amps and Less FCB-205 Series . 5-6 5-8 Four-pole, Electrically Held, 5 Amps and Less FCB-405 Series 5-9 5-11 Double-pole, Electrically Held, 15 Amps and Less FCA-210 Series . 5-12 5-14 FCA-212 Series . 5-15 5-17 FCA-215 Series . 5-12 5-14 Four-pole, Electrically Held, 15 Amps and Less FCA-410 Series . 5-18 5-20 FCA-415 Series . 5-18 5-20 Single-pole, Electrically Held, 25 Amps and Less FCA-125 Series . 5-21 5-23 Three-pole, Electrically Held, 25 Amps and Less FC-325 Series 5-24 5-25 FCA-325 Series . 5-26 5-28 Three-pole, Electrically Held, 25 Amps and Less, with Auxiliary Contacts FCAC-325 Series 5-30 5-31 Single-Pole, Electrically Held, 50 Amps or Less FCA-150 . 5-32 5-35 Single-Pole, Electrically Held, 50 Amps and Less, Normally Closed, with Auxiliary Contacts FCA-150NC 5-36 5-39 5 Selection and Application Guide 5-40 Cross Reference - Socket to Relay 5-41 PAGE 1CII Mid-Range Relays TD2 Series Time Delay Relay Product Facts n Qualified to: MIL-PRF-83726/28 MIL-PRF-83726/29 MIL-PRF-83726/30 MIL-PRF-83726/31 n Fixed delay on operate, fixed delay on release, adjustable delay on operate & adjustable delay on release TD2 series time delay relays mable digital pulse counter, follows and connecting it n Meets or exceeds are available for delay on gating a semiconductor externally to terminals 1D - electrostatic discharge operate or delay on release switch to operate the relay . 3D as below . operation Either can be . Timing is independent of MIL-STD-1686 Class R = (T / T ) -1 100K EXT 1 0 supplied as fixed or resistor whether the controlling Non-Sensitive Ohms adjustable types Both . voltage is a ramp or step n Welded hermetically sealed T = Minimum time of military and commercial function . 0 enclosure occupies about 1 selected decade in versions are offered . 3 3 in (16.4 cm ) seconds . For the adjustable models n 10A, 2 form C (DPDT) output T1 = Required time delay . These products consist of the user specifies a one contacts solid state timing circuits decade range in seconds, EXAMPLE controlling our FCA-210 within which the required Selected Range = 3-30 sec series relays, providing 2 delay will be set . This range Form C (DPDT) output is programmed internally Required Time = 15 sec contacts rated 10 amps . at the time of manufac- R = (15/3) -1 100K = EXT () The internal timing circuit ture . The required delay is 12-X2 3 400K () uses an R/C controlled obtained by calculating the 12-X2 3 D oscillator with a program- oscillator timing resistor as D TD C TD C CONTROL Timing Action and Terminal Wiring (+) B INPUT B INPUT Delay On Operate: Delay On Release: A The time delay starts on the application of input voltage to X1-X2. The timing The input voltage is continuous to X1-X2. When the control voltage is applied to A circuit energizes the end of the time delay period. C1-X2 the timing circuit and the relay are both energized. The time delay starts +X1 (+) BLUE BEAD +X1 BLUE BEAD when the control voltage is shut off.(+) 20-30VDC 20-30VDC INPUT VOLTAGE INPUT VOLTAGE INPUT OFF +X1 / X2 INPUT OFF +X1 / X2 20-30VDC ENERGIZED CONTROL VOLTAGE TIME OUTPUT CONTROL OFF +C1 / X2 DEENERGIZED DELAY RELAY ENERGIZED OUTPUT DEENERGIZED TIME DELAY RELAY () () Fixed Model Fixed Model 12-X2 3 1 -X2 2 3 D D TD TD C C CONTROL (+) B B INPUT INPUT A A +X1 +X1 (+) BLUE BEAD (+) BLUE BEAD 20-30VDC EXT. RESISTOR 1/4 WATT MIN. EXT. RESISTOR 1/4 WATT MIN. Adjustable Model Adjustable ModelINPUT VOLTAGE 20-30VDC INPUT OFF +X1 / X2 INPUT VOLTAGE () () INPUT OFF 20-30VDC +X1 / X2 12-X2 3 12-X2 3 CONTROL VOLTAGE ENERGIZED CONTROL OFF +C1 / X2 D TIME D OUTPUT ENERGIZED DEENERGIZED DELAY RELAY TD OUTPUT TD C C CONTROL RELAY DEENERGIZED TIME DELAY (+) B B INPUT INPUT A A +X1 +X1 (+) BLUE BEAD (+) BLUE BEAD Terminal designations shown in the diagrams above are for reference only. They do not appear on the relay header. 20-30VDC INPUT VOLTAGE 20-30VDC INPUT OFF +X1 / X2 INPUT VOLTAGE INPUT OFF 20-30VDC +X1 / X2 CONTROL VOLTAGE ENERGIZED AEROSPACE, DEFENSE & MARINE /// HIGH PERFORMANCE RELAYS CONTROL OFF +C1 / X2 TIME OUTPUT ENERGIZED DEENERGIZED DELAY RELAY OUTPUT RELAY DEENERGIZED TIME DELAY