9422CSF70 datasheet(8/50 Pages) ETC

8 / 50 page

For other versions, please consult with your local Schneider Electric/

Square D sales office: visit www.us.telemanique.com.

5/7

Suppressor modules

Varistors (peak limiting)

Protection provided by limiting the transient voltage to 2 Uc max.

Maximum reduction of transient voltage peaks.

Slight increase in drop-out time (1.1 to 1.5 times the normal time)

Mounting

For use with contactor

Type

Catalog number

Rating

VAC

VDC

Clip-on

D09–D38 (3P)

12–24 V

LAD4VE

DT20–DT40 (4P)

50–127 V

LAD4VG

110–240 V

LAD4VU

Screw clamp

D40–D115 (3P)

24–48 V

LA4DE2E

and

50–127 V

LA4DE2G

D65–D115 (4P)

110–250 V

LA4DE2U

D40–D115 (3P)

24–48 V

LA4DE3E

and

50–127 V

LA4DE3G

D65–D115 (4P)

110–250 V

LA4DE3U

Diodes

No overvoltage or oscillating frequency.

Increase in drop-out time (6 to 10 times the normal time).

Polarised component.

Screw clamp

D40–D95 (3P)

24–250 V

LA4DC3U

D65 and D80 (4P)

Bidirectional peak limiting diode

Protection provided by limiting the transient voltage to 2 Uc max.

Maximum reduction of transient voltage peaks.

Clip-on

D09–D38 (3P)

24 V

LAD4TB

DT20–DT40 (4P)

72 V

LAD4TS

Screw clamp

D40–D95 (3P)

24 V

LA4DB2B

D65 and D80 (4P)

72 V

LA4DB2S

D40–D95 (3P)

24 V

LA4DB3B

D65 and D80 (4P)

72 V

LA4DB3S

RC circuits (Resistor-Capacitor)

Effective protection for circuits highly sensitive to "high frequency" interference.

For use only in cases where the voltage is virtually sinusoidal, i.e. less than - 5% total harmonic distortion.

Voltage limited to 3 Uc max and oscillating frequency limited to 400 Hz max.

Slight increase in drop-out time (1.2 to 2 times the normal time)

Clip-on

D09–D38 (3P)

12–24 V

LAD4RCE

DT20–DT40 (4P)

110–240 V

LAD4RCU

Screw fixing

D40–D150 (3P)

24–48 V

LA4DA2E

and

50–127 V

LA4DA2G

D65–D115 (4P)

110–240 V

LA4DA2U

380–415 V

LA4DA2N

Sys

D-line

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