Kessel Comfort PLUS Einbau- Und Betriebsanleitung Seite 41

Maximum power consump-
tion
(terminals N, L1, L2, L3, PE) Three-phase current 230 V
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, Cate-
gory (1)G, corresponding equipment for gas atmosphere.
Technical specification (single barrier)
Level circuit
Float switch terminals:
Level sensor terminals:
Max. values*:
010-700_02
11 VA Mono / 15 VA Duo
systems
(AC) / 50 Hz +- 10% for sup-
ply 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)
in type of protection intrinsic
safety Ex ia IIC
OFF, ON1, ON2, ALARM
Probe 2 bk + bl
Installation and operating manual
Technical specification (single barrier)
Uo
Io
Ro
Po
Co
Lo
Lo/Ro
* Zener barrier MTL 7787+
28 V
93 mA
300 Ω
0.65 W
0.083 µF
106 µH/Ω
106 µH/Ω
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