22 Device Description
787-2861 Electronic Circuit Breaker
Manual
Version 1.3.1
Feedback voltage
Maximum 35 VDC
Parallel connection
Prohibited
Series connection
Prohibited
Control input
Control input
Non-electrically isolated 24 VDC input (relative
to the device 0 V input)
Voltage level “active high”:
minimum 18 VDC, maximum 30 VDC
Voltage level “active low”:
minimum -3 VDC, maximum 5 VDC
Signal output
Signal output
Non-electrically isolated 24 VDC output, short-
circuit-protected, bridgeable across 30 devices
High level: 15 … 24 V at maximum current
carrying capacity 4 mA
Safety and Protection
Protection class
III
Pollution degree
2
Insulation class
A (105 °C)
Overvoltage categorie
II
1
The power supply must be able to deliver the maximum required power without the voltage
falling below 20.4 VDC.
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Table 12: Wiring
Connection technology
Push-in CAGE CLAMP
®
Solid “s”
2
0.08 mm² … 2.5 mm² / AWG 28 … 14
Fine-stranded “f-st”
2
0.34 mm² … 2.5 mm² / AWG 22 … 14
Strip length
9 mm … 10 mm / 0.37 in
2
The conductor may reach a temperature of up to 90 °C. Use only conductors that can withstand
the anticipated temperature.
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Table 13: Ambient Conditions
Surrounding air temperature,
operation
See table “Mounting Positions and Ambient
Temperatures”
Surrounding air temperature,
storage
-40 °C … +85 °C
Relative humidity
≤ 95 %
Operating altitude above sea
level
Max. 2000 m
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