Siemens Time Relay SIRIUS 3RA28 Solid-state

Siemens Time Relay: solid-state time-delayed auxiliary switch, off delayed, with control signal, relay 1 NC + 1 NO, time range 0.05-100 s, 24-240 V AC/DC, 50/60 Hz, varistor for attenuation of the contactor coils integrated, screw terminal, can be snapped on at the front on contactors 3RT2 and auxiliary contactors 3RH2

Contact us
Category:

Specifications

General technical data
size of contactor can be combined company-specific S00, S0, S2, S3
product component semi-conductor output No
product extension required remote control No
product extension optional remote control No
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value 300 V
test voltage for isolation test 1.5 kV
degree of pollution 3
surge voltage resistance rated value 4 kV
test voltage for surge voltage test 4 800 V
consumed current
● at 24 V 24 mA
● at 240 V 7 mA
protection class IP of the terminal IP20
shock resistance according to IEC 60068-2-27 15g / 11 ms
vibration resistance according to IEC 60068-2-6 10 … 59 Hz: 0.35 mm, 60 … 150 Hz: 2g
mechanical service life (operating cycles) typical 10 000 000
mechanical service life (operating cycles)
● with contactor 3R.2 of frame size S00 10 000 000
● with contactor 3R.2 of frame size S0 10 000 000
● with contactor 3R.2 of frame size S2 10 000 000
● with contactor 3R.2 of frame size S3 10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical 100 000
electrical endurance (operating cycles)
● with contactor 3R.2 of frame size S00 100 000
● with contactor 3R.2 of frame size S0 100 000
● with contactor 3R.2 of frame size S2 100 000
● with contactor 3R.2 of frame size S3 100 000
adjustable time 0.05 … 100 s
relative setting accuracy relating to full-scale value 15 %
minimum ON period 35 ms
recovery time 150 ms
reference code according to IEC 81346-2 K
relative repeat accuracy 1 %
influence of the surrounding temperature ±1 %
power supply influence ±1 %
Substance Prohibitance (Date) 10/01/2009
SVHC substance name
Blei – 7439-92-1
Bleimonoxid (Bleioxid) – 1317-36-8