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Contactor Accessories TeSys™ D-Line Coil Suppressors, Cabling Accessories Refer to Catalog 8502CT9901 RC Coil Suppressor ● Limitation of transient voltage to 300% of nominal voltage maximum ● Oscillating frequency limited to 400 Hz maximum ● Slight increase in drop-out time (1.2 to 2 times normal) Table 18.20: Resistor/capacitor circuit (RC) for reduction of “electrical noise” in AC contactor coils Installed by Mounting on Operating voltage 50/60 Hz Catalog Number $ Price Snapping into cavity on right side without toolsb LC1D09 to LC1D32 (3P)LC●DT20 to DT40 (4P), 24–28 V LAD4RCE 26.20 50–127 V LAD4RCG 26.20 110–240 V LAD4RCU 26.20 Snap-on mounting and connection without tools to the contactor coil terminals LC·D12 and D25 (4P)Pre-TeSys Contactors 24–48 V LA4DA1E 26.20 50–127 V LA4DA1G 26.20 110–240 V LA4DA1U 26.20 Screw connection to the contactor coil terminals LC●D40 to D150 (3 or 4P)LC●D40 to D115 (4P) 24–48 V LA4DA2E 26.20 50–127 V LA4DA2G 26.20 110–240 V LA4DA2U 26.20 380–415 V LA4DA2N 26.20 Varistor Coil Suppressor ● Limitation of transient voltage value to 200% of nominal voltage maximum ● Maximum reduction of transient voltage peaks ● Slight increase in drop-out time (1.1 to 1.5 times normal) Table 18.21: Varistor (peak limiting) for reduction of “electrical noise” in AC or DC contactor coils Installed by Mounting on Operating voltage 50/60 Hz Catalog Number $ Price Snapping into cavity on right side without toolsb LC●D09 to D32aTeSys contactors 24–48 V LAD4VE 26.20 50–127 V LAD4VG 26.20 110–250 V LAD4VU 26.20 Snap-on mounting and connection without tools to the contactor coil terminals LC●D09 to D32Pre-TeSys contactors 24– 48 V LA4DE1E 26.20 50–127 V LA4DE1G 26.20 110–250 V LA4DE1U 26.20 Screw connection to the contactor coil terminals LC●D40 to D115 (3P or 4P) LC●D12, D25 (4P) 24–48 Vac LA4DE2E 26.20 50–127 Vac LA4DE2G 26.20 110–250 Vac LA4DE2U 26.20 Screw connection to the contactor coil terminals LC●D40 to D115 (3P or 4P) 24–48 Vdc LA4DE3E 26.20 50–127 Vdc LA4DE3G 26.20 110–250 Vdc LA4DE3U 26.20 a For DC coils 3-pole contactors are fitted with built-in surge suppression as standard. Diode Coil Suppressor ● No overvoltage or oscillating frequency ● Polarized component ● Increased drop-out time (6 to 10 times normal) Table 18.22: Diode for reduction of “electrical noise” in DC contactor coils Installed on the upper part by Mounting on Operating voltage DC Catalog Number $ Price Snap-on mounting and connection w/o tools to the contactor coil terminals LC●D12, D25 (4P) 24–250 V LA4DC1U 26.20 Screw connection of wire to the contactor coil terminals LC●D40 to D80 (3P)LC●D40 to D80 (4P) 24–250 V LA4DC3U 26.20 Bidirectional Diode Coil Suppressor ● Protection provided by limiting the transient voltage to 2 Uc max. ● Maximum reduction of transient voltage peaks Table 18.23: Bidirectional peak limiting diode Installed by Mounting on Operating Voltage 50/60 Hz and DC Catalog Number $ Price Snapping into cavity on right side of contactor b LC●D09 to LC●D32 (3P)c 24 (AC only) LAD4TB 26.20 72 (AC only) LAD4TS 26.20 Screw Mounting d LC●D40 to LC●D80 24 (AC only) LA4DB2B 56.00 72 (AC only) LA4DB2S 26.20 24 (DC only) LA4DB3B 56.00 72 (DC only) LA4DB3S 56.00 b Installing suppressor into the cavity makes the electrical connection. Overall width of contactor remains the same. c For LC●D09 through LC●D32 with DC or low consumption DC coils, 3-pole contactors are fitted with built-in bidirectional diode suppression as standard. d Mounting at the top of the contactor on coil terminals A1 and A2. Table 18.24: Cabling Accessories Usage Mounting on Operating voltage 50/60 Hz Catalog Number $ Price For adapting existing wiring to a new product or for use with top mount accessory. LC1D09 to D38 LC1DT20 to DT60 AC only Without coil suppression LAD4BB 23.00 With coil suppression (varistor) 24-48 V LAD4BBVE 23.00 50-127 V LAD4BBVG 23.00 110-250 V LAD4BBVU 23.00 I12 Discount Schedule Modified 1/17/08 Related Topics D-Line contactors pages 18-2, 18-4 D-Line overload relay accessories page 18-14 D-Line replacement coils pages 18-16 to 18-18 Dimensions pages 18-40 to 18-46
Release Date: 03/31/2007Modification Date: 1/17/2008
