Festo VIFB-21 Series Brief Description page 18

5 Technical specifications
Type: VIFB21−..−
Protection class (as per DIN 40050)
Ambient temperature type 03
Ambient temperature type 44/45
Storage temperature
Connection 1:
operating voltage connection
electronics/inputs:
rated value (protected against incor
rect polarity)
tolerance
− type 03
− type 44/45
total permitted current
Connection 3:
operating voltage connection
outputs/valves:
rated value (protected against incor
rect polarity)
tolerance
total permitted current
Fuse for supply voltage
(inputs/sensors)
Protection against electric shock
(protection against direct and indirect
contact as per IEC/DIN EN 60204−1)
Electromagnetic compatibility
EMC interference emission
EMC resistance to interference
18
IP 65 (completely fitted)
°
0 ... + 50 C
°
−5 ... + 50 C
°
−20 ... + 60 C
24V DC
± 25 % (DC 18 V...30 V)
± 10 % (DC 21,6 V ... 26,4 V)
max. 2.2 A
24V DC
± 10% (DC 21.6 V...26.4 V)
max. 10 A
2 A slow−blowing (internal)
by means of a PELV circuit
(Protective Extra−Low
Voltage)
see declaration of
conformity
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Festo VIFB21−03−−... 0808c English