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Technical data
3.1 FKRS-EU with explosion-proof spring return actuator
Dimensions and weight
Fig. 1: FKRS-EU with explosion-proof spring return actuator
1.1
Enclosure
1.2
Damper blade with seal
1.4
Travel stop for CLOSED position
1.5
Inspection access (12 mm)
1.8
Lip seal
10.6
ExMax spring return actuator, alternative*
10.7*
RedMax spring return actuator
10.13
Thermoelectric release mechanism ExPro-TT
with temperature sensor
1
Keep clear to provide access for operation
A
Installation side
B
Operating side
Dimensions [mm] / Weight [kg]
Nominal size DN
100
125
150
160
180
200
224
250
280
315
Æ
D
99
124
149
159
179
199
223
249
279
314
Weight with spring return
actuator
4.8
5.1
5.3
5.5
5.8
6.0
6.2
6.8
7.3
7.9
Spring return actuator ExMax-15-BF TR/RedMax-15-BF-TR
Supply voltage
24 – 240 V AC/DC, ± 10 %,
self-adjusting 50 – 60 Hz ± 20 %
Power rating
16 W / 15 VA
Switch-on current (< 1 s)
2 A
Run time
Actuator / spring return
30 s / 10 s
Limit switch
Type of contact
2 changeover contacts
Switching voltage
230 V AC / 24 V DC
Switching current
0.4 mA – 3 A
IEC protection class / IP protection
I (earthed) / IP66
Storage temperature
-40 ... +55 °C
Ambient humidity
≤ 90% rh, no condensation
Technical data
FKRS-EU with explosion-proof spring return actua...
Explosion-proof fire damper Type FKRS-EU
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