Kessel Aqualift F Comfort 400V Series, Installation And Operating Manual

Page: 40 / 204

EN
3.1 Additional information on ATEX design
II (1) GD [Ex ia Ga] IIC
The requirements of the standards
EN 50014 + A1-A2, EN 50020:2002
are satisfied.
Permissible air humidity 10 - 80%, non-condensing
Maximum operating height 2000 m above sea level
Maximum power consump-
tion
11 VA Mono / 15 VA Duo
systems
(terminals N, L1, L2, L3, PE) Three-phase current 230 V
(AC) / 50 Hz +- 10% for sup-
ply of the electronics
Input circuits
(terminals TF1a, TF2a,
TF1b, TF2b)
Thermal inputs Un = 230V
Output circuit potential-free
contact
U = 42 V AC DC /0.5 A
Power contactor Switching contacts U =
400V +-10% <=4kW (P2),
50Hz
Control elem. Power circuit Passive (switch and button)
The control unit must be operated outside the potentially
explosive area. The necessary classification: Group II, Cate-
gory (1)G, corresponding equipment for gas atmosphere.
Technical specification (single barrier)
Level circuit in type of protection intrinsic
safety Ex ia IIC
Float switch terminals: OFF, ON1, ON2, ALARM
Level sensor terminals: Probe 2 bk + bl
Max. values*:
Uo
28 V
Io 93 mA
Ro 300 Ω
Po 0.65 W
Co 0.083 µF
Lo 106 µH/Ω
Lo/Ro 106 µH/Ω
* Zener barrier MTL 7787+
40 / 204 Installation and operating manual 010-532_06