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Fujitsu RA4 relay
Description
Four pole telecom / signal relay, polarised, 4 pole changeover / 4 Form C / 4PDT
Product details
The RA4 relay was manufactured by Fujitsu, a relay which became a popular version of the classic telecomms. DS4E type small signal relays. This relay has not been manufactured for many years. it is obsolete and very difficult to source.
The original datasheet for the Fujitsu RA4 relay is available to be downloaded below.
Coil Voltages
Originally manufactured in coil voltages ranging from 1.5V to 48V dc, the most popular coil voltages used at the time in the telecomms and control industries were 5V, 12V and 24V
The Cephos C-DS4E relay module is a drop-in replacement for this obsolete Fujitsu RA4 relay
Technical data and specification
Max. Sw. Power
Max. Sw. Voltage
Max. Sw. Current
Contacts
Low Coil Power
24W /60VA
250Vac, 220Vdc
2A
Au overlay (Ag/Pd)
200mW
Original RA4 relay dimensions
DOWLOAD