E X P L O S I O N P R O O F
www.schischek.com
Schischek GmbH
Germany, Muehlsteig 45, Gewerbegebiet Sued 5, 90579 Langenzenn, Tel. +49 9101 9081-0, Fax +49 9101 9081-77, E-Mail [email protected]
ExMax-S-F1_en
V07 – 19-Oct-2021
ExMax-...-F1
ExMax-...-SF1
ExMax-...-BF1
Special options
... -CTS
... -VAS
Torque motor (min.)
8 Nm
15 Nm
8 resp. 15 Nm
8 resp. 15 Nm
Torque spring (F)
min. 8 Nm
min. 15 Nm
min. 8 resp. 15 Nm
min. 8 resp. 15 Nm
Torque blockade
In blockade and end positions torques are higher than above specified torques for motor and spring.
Dimensioning of external load
Upon spring return the external load should be max. 80 % of torque spring (F), but
min. 2 Nm
min. 5 Nm
min. 2 resp. 5 Nm
min. 2 resp. 5 Nm
Supply voltage / frequency
24...240 VAC/DC ± 10 %, self adaptable, frequency 50...60 Hz ± 20 %
Power consumption
max. starting currents see
Extra information (in acc. with voltage, I
start
>> I
rated
), approx. 5 W holding power, approx. 16 W for heater
Protection class
Class I (grounded)
Angle of rotation and indication
95° incl. ~ 5° pretension, mechanical value indication
Working direction
Selectable by left/right mounting to the damper/valve shaft
Motor running times
3 / 15 / 30 / 60 / 120 s/90° selectable on site
3 sec. mode – motor
In acc. with the supply voltage and external torque 3 to 4 s/90° angle of rotation
Motor
Brushless DC motor
Control mode
On-off
Spring return (F)
Spring return upon voltage interruption or opening of line 3, response time up to 1 sec. after voltage interruption
Spring return running time (F)
~ 1 s/90° (at temperatures below -20 °C, depending on the load, the spring return period can be up to 20 s.)
Safety operations at 1 sec. (F)
min. 1,000 acc. to construction of damper and ambient. Consider minimum external load!
Ex-i tripping circuit ...-BF1
Intrinsically safe circuit to connect the ExPro-TT-... safety temperature trigger directly to the actuator with M12 quick connection
Aux. switches ...-SF1, ...-BF1
2 integrated auxiliary switches, switching at 5° and 85° angle of rotation, potential free. Grid fuse-protection is recommended!
U
max
/ I
max
AC = 250 V/5 A; U
min
AC/DC = 5 V;
After one-time operation with U > 24 V AC/DC or I > 100 mA: U
min
AC/DC = 12 V
U
max
/ I
max
DC = 48 V/1 A; I
min
AC/DC = 5 mA;
I
min
AC/DC = 100 mA
Axle of the actuator
Double square 12 × 12 mm, direct coupling, 100 % overload protected
Electrical connection
Cable ~ 1 m, wire cross section 0.5 mm², equipotential bonding 4 mm².
Connections in hazardous areas require an Ex-e terminal box!
Diameter of cable
~ Ø 6.2 mm
~ Ø 6.2 mm
~ Ø 6.2 + 7.4 mm
~ Ø 9.3 mm
2 cables in version ...-SF1
Cable gland
M16 × 1.5 mm
Manual override
Use delivered socket wrench, max. 4 Nm
Heater
Integrated, controlled heater for ambient temperature down to −40 °C
Housing material
Aluminium die-cast housing, coated. Optional with seawater resistant coating (...-CTS) or stainless steel housing,
№
1.4581 / UNS-J92900 / similar AISI 316Nb (...-VAS)
Dimensions (L × W × H)
210 × 95 × 80 mm, for diagrams see
Extra information
Weight
~ 3,5 kg aluminium housing, stainless steel ~ 7 kg
Ambients
Storage temperature −40…+70 °C, working temperature −40…+40 °C at T6 and −40…+50 °C at T5
Humidity
0...90 % rH, non condensing
Operating 3 sec. motor run time
In 3 s mode the motor will work only after 1 minute of voltage supply. While open/close operation (open voltage supply and shut it down)
motor works only with speed of 15 s/90°
≥
15 sec. motor run time
at
15 / 30 / 60 / 120 s 100 % of ED is permitted (ED = duty cycle)
Maintenance
Maintenance free relative to function, maintenance must comply with regional standards, rules and regulations
Wiring diagrams
SB 2.4/2.5
SB 2.4/2.5
SB
2.4/2.5 + 3.2
SB 2.4/2.5 + 7.4
Scope of delivery
Actuator, 4 screws M4 × 100 mm, 4 nuts M4, Allen key for simple manual override
Parameter at delivery
8 Nm, 30 s/90°
15 Nm, 30 s/90°
8 resp. 15 Nm, 30 s/90°
8 resp. 15 Nm, 30 s/90°
Approbations
Technical data
ExMax- 8 - F1
ExMax- 15 - F1
ExMax-... - SF1
ExMax-... - BF1
ATEX Directive
2014/34/EU
EU-Type Examination
EPS 17 ATEX 1 132 X
IECEx Conformity
IECEx EPS 17.0065X
Marking Gases
II 2 (2) G Ex db [ib Gb] IIC T6, T5 Gb
Types ...-CTS II 2 (2) G Ex db [ib Gb] IIB T6, T5 Gb
Marking Dusts
II 2 (2) D Ex tb [ib Db] IIIC T80°C, T95°C Db
Ex-i circuit data
see table (T 1.0)
CE Marking
CE 0158
EMC Directive
2014/30/EU
Low Voltage Directive
2014/35/EU
Enclosure Protection
IP66 in acc. with EN 60529
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