CAA 72


Instantaneous industrial relay with high performances conceived for an intensive and prolonged use.

Pluggable on sockets with a withdrawal clasp and square guide pins which can act as a key to ensure that the correct relay is used at the correct voltage (see our withdrawal guide in the technical support pages of this site)

Pluggable on the following sockets :  EVB1/CA, EVB1/CA-DL, ERDL1/CA et ERC1/CA.



Operation principle

Technical features

Function Instantaneous
Presentation under cover
Connection on front or rear wiring socket
Number of mechanical operations 30.000.000
Operating temperature - 5°C to + 40°C
Storage temperature - 40°C to + 70°C
Climatic protection optional reinforced climatic protection
Shock voltage 5 KV (wave 1,2/50 µs)
Dielectric strength 2500 V eff 50 Hz
Insulation resistance NFC 45-202 : C500 ; VDE0100 : C380
Weight 200 g.
Protection level IP 40 (according to NFC 20-010)
Resistance to mechanical shocks severity 50 A (according to NFC 20-608)
Resistance to vibrations 0,35 mm / 10-55 Hz (according to NFC 20-616)

Coil data

  Direct current Alternative current
Min. nominal voltage DC 6 V 6 V
Min. nominal voltage AC 220 V 380 V
Operating range -20/+10% of nominal voltage
Power requirement 3 W +/- 10% 10 VA +/- 20% 5,5 VA +/- 20%


Number of contacts 4
Max. load current 8 A per contact
Low power switching 0,1 VA with min. voltage 1 V and/or I min 1 mA
Response time (bounce time not included) DC < 28 ms - AC < 19 ms

Contacts rating

Power supply in DC - connection on DC Power supply in AC - connection on DC
Power supply in AC or DC - connection on AC


. Relay CAA with reinforced climatic protection
. Relay CAA with specific characteristics (votage, frequency)
. Relay CAA of intensity
. Relay CAA with tungstene contacts
. Relay CAA with internal protection by varistor or diode
. Relay CAAJ with mechanical indicator

Homologations & conformities :

* CEI 255-1-00
* NFC 45-250
* HN 45S25 -B1-3-1 en 125 VDC - EDF HN 063/6628