Electronic circuit breakers, standard
DF11xx DF12xx DF25xx
9
7 Operating and display elements
2
3
4
1
Fig. 2: Example DF11xx supply module
2
3
4
1
Fig. 3: Example DFx2xx circuit protection module
7.1 DF12xx circuit protection modules
The different operating states of the circuit protection modules are indicated by the status LED.
Status LED
Operating status
Status of load output
—
off
Missing operating voltage, error in initialisation or chan-
nel switched off via button
off
green
on
Channel switched on, no fault
on
green/orange
flashing
Load current limit reached
on
orange
on
Overload or short circuit until disconnection
on
Channel switched off
off
red
on
Triggering via short circuit or overload
off
Undervoltage in ON status with automatic switching on
again
Tab. 1: Status LED DF12xx circuit protection modules
7.2 Interrogation of module to confirm the set nominal current
Only for circuit protection modules with adjustable nominal current.
u
Press the ON/OFF/reset button of the requested channel between 2 and 5 seconds.
w
The status LED of the selected channel flashes red once.
w
The status LED flashes orange to display the set nominal current. The LED flashes red once to
confirm completion of the cycle. The LED flashes orange, once or multiple times, in accordance
with nominal current setting in amperes (orange flashing once = 1 A; orange flashing twice = 2 A;
etc.).
w
The set nominal current is displayed five times. After 5 cycles the display changes to the current
operating status.
u
To interrupt/stop the interrogation cycle, and return to normal status indication mode, press the ON/
OFF/reset button of the requested channel at any time.
