WAGO’s ECBs have a lot to offer:
Electronic Circuit Breakers from WAGO
Protecting Small Currents Easily
New WAGO 0.5 A Electronic Circuit Breaker
With WAGO’s single-channel circuit breaker (787-2861/050-000), even small load currents of 0.5 A can now be easily protected in control circuits. Quick, reliable tripping after 4 ms is guaranteed with all seven available circuit breakers. In addition, the circuit breaker saves space in the control cabinet or system distribution box with its overall width of just 6 mm. Different control options for the integrated digital input allow channels to be set to a specific state for more convenient use. The digital output reports the current status. The fact that they have the same profile allows direct commoning of the input and output voltages across 857 and 2857 Series devices.
The Benefits for You:
Signal output can be commoned and total reset for up to 30 devices
Many configuration options
Optional rated current setting from 1 to 8 A and seven different configuration options for the digital measurement output
Rated current can be adjusted in six steps for each channel individually; transparent, sealable, markable cover
Fast, reliable communication via IO-Link protocol, signal contact, potential-free signal or Manchester protocol
Save space in the control cabinet
Up to eight channels in just a 42 mm (1.653 inch) wide module
The electronic circuit breaker can be reset via a digital control signal. The 787-2861 ECB can also be switched on and off with this control signal. A digital output signal indicates the status of the channel or the sum of the channels for 787-166x ECBs. For some devices, this signal is potential-free (P).
The PLC transmits a coded pulse pattern to control input S1. The ECB synchronizes itself automatically. The current status of all output channels is transmitted back simultaneously via signal output S2. The edge change is interpreted as “high” or “low.” For each channel, both its status and its voltage/current values can be transmitted individually.
For each channel, both its status and its voltage/current values can be transmitted individually via an IO-Link COM3 interface. The nominal output current can also be configured via this interface if the device’s rotary switch is set accordingly. The IO-Link cyclic communication is much faster than the Manchester protocol.
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