Electronic Circuit Breaker - ESS1
Electronic Circuit Breaker - ESS1
The electronic circuit breaker ESS1 is designed to ensure selective disconnection of individual loads in industrial systems which are powered by a DC 24 V switch mode power supply.
Selectivity means that the ESS1 responds faster to overload or short circuit conditions than the power supply.
Voltage rating of Electronic Circuit Breaker - ESS1 : DC 24 V (18...32 V)
Current ratings of Electronic Circuit Breaker - ESS1 : 3 A / 6 A selectable
Number of poles of Electronic Circuit Breaker - ESS1 : 1-pole
Load disconnection of Electronic Circuit Breaker - ESS1 :
- short circuit: typically100 ms
- overload: typically 5 s
Current limitation of Electronic Circuit Breaker - ESS1 : max. 2 x IN
Signal output of Electronic Circuit Breaker - ESS1 : DC 30 V/1 A max.
Status indication of Electronic Circuit Breaker - ESS1 :
- 1 LED green: O.K. signal
- 4 LEDs yellow: load current indication
- 1 LED red: short circuit, overload (tripped)
Temperature range of Electronic Circuit Breaker - ESS1 : 0...+40 °C
Terminal design of Electronic Circuit Breaker - ESS1 : blade terminals 6.3 mm
Mounting method of Electronic Circuit Breaker - ESS1 :plug-in for distribution system SVS1
To contact E-T-A about Electronic Circuit Breaker - ESS1 use Get a quote.
Selectivity means that the ESS1 responds faster to overload or short circuit conditions than the power supply.
Voltage rating of Electronic Circuit Breaker - ESS1 : DC 24 V (18...32 V)
Current ratings of Electronic Circuit Breaker - ESS1 : 3 A / 6 A selectable
Number of poles of Electronic Circuit Breaker - ESS1 : 1-pole
Load disconnection of Electronic Circuit Breaker - ESS1 :
- short circuit: typically100 ms
- overload: typically 5 s
Current limitation of Electronic Circuit Breaker - ESS1 : max. 2 x IN
Signal output of Electronic Circuit Breaker - ESS1 : DC 30 V/1 A max.
Status indication of Electronic Circuit Breaker - ESS1 :
- 1 LED green: O.K. signal
- 4 LEDs yellow: load current indication
- 1 LED red: short circuit, overload (tripped)
Temperature range of Electronic Circuit Breaker - ESS1 : 0...+40 °C
Terminal design of Electronic Circuit Breaker - ESS1 : blade terminals 6.3 mm
Mounting method of Electronic Circuit Breaker - ESS1 :plug-in for distribution system SVS1
To contact E-T-A about Electronic Circuit Breaker - ESS1 use Get a quote.
The E-T-A ESS1 is a single-pole electronic circuit breaker that selectively disconnects individual loads in DC 24 V systems. Selective response makes it act faster than the power supply during overloads or short circuits, so the affected load disconnects first. For industrial systems, plug-in mounting to the SVS1 distribution system suits setups built around that system.
- Selectable current ratings: 3 A or 6 A
- Short-circuit disconnection: typically 100 ms; overload disconnection: typically 5 s
- Current limitation: maximum 2 x I N
- Signal output: maximum DC 30 V/1 A
- Status LEDs indicate normal operation, load current, short circuit or overload
Source: listing by E-T-A on IndustrySearch · Updated 2 Nov 2026
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Written by AI from the listing by E-T-A on IndustrySearch. It is meant to use only what that listing says, but it can still get details wrong, so check them with the supplier before you buy.
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