3
Technical data
Maximum power (kW) at the
switch output (if cos φ = 1)
Nominal current range
Weight
Dimensions (LxWxD), mm
Operating voltage
Standby power
Potential-free contact
Battery specification
Working temperature
Protective rating
Protection class
Required fuse, A, (Mono)
Required fuse, A, (Duo)
RCD
Connection type
3.1
Additional information on ATEX design
II (1) GD [Ex ia Ga] IIC
II 3 (1) G Ex nA [ia Ga] IIC/IIB T4 Gc
Maximum power consumption
(terminals N, L1, L2, L3, PE)
Input circuits
(terminals TF1a, TF2a, TF1b, TF2b)
Output circuit potential-free contact
Power contactor
Control elem. Power circuit
The control unit must be operated outside the potentially explosive area. The necessary classification: Group II, Category
(1)G, corresponding equipment for gas atmosphere.
Technical specification (single barrier)
Level circuit in type of protection intrinsic safety
Float switch terminals:
Level sensor terminals:
Max. values
Uo
Io
Po
Co
Lo
Permissible air humidity
1
Duo systems have two pumps with identical technical data. The respective control units are available in different power
levels (of the motor protection switch).
28 / 136
1.5 kW
1
A
2.5 - 4.0 A
The requirements of the standards EN 50014 + A1-A2, EN 50020:2002
are satisfied.
Installation and operating manual
4.0 - 6.3 A
2.5 kg (3 kg Duo)
190 x 280 x 130 (190 x 380 x 130 Duo)
400 V / 50Hz
5 W
max. 42 V DC / 0.5 A
2x 9V 6LR61
0 - 40°C
IP 54
I
C16
C16
30 mA
Direct connection
11 VA Mono / 15 VA Duo systems
Three-phase current 230 V (AC) / 50 Hz +- 10% for supply
of the electronics
Thermal inputs Un = 230V
U = 42 V AC DC /0.5 A
Switching contacts U = 400V +-10% <=4kW (P2), 50Hz
Passive (switch and button)
Ex ia IIC
OFF, ON1, ON2, ALARM
Probe 2 bk + bl
Zener barrier MTL 7787+
0.083 µF
16 mH
10 - 80%, non-condensing
4.3 kW
6.9 KW
6.3 - 10 A
C16
C20
C20
C32
Ex ia IIIC
Zener barrier Stahl 9002
28 V
93 mA
0.65 W
0.08 µF
2 mH
10 - 60%
010-532