Type ESX10

Type ESX10


Electronic circuit protector type ESX10 is designed to ensure selective disconnection of DC 24 V load systems.

DC 24 V power supplies, which are widely used in industry today, will shut down the output in the event of an overload with the result that one faulty load in the system can lead to complete disconnection of all loads. As well as an unidentified failure this also means stoppage of the whole system.

Through selective disconnection the ESX10 responds much faster to overload or short circuit conditions than the switch-mode power supply. This is achieved by active current limitation. The ESX10 limits the highest possible current to values between 1.3 to 1.8 times the selected rated current of the circuit protector. Thus it is possible to switch on capacitive loads of up to 20,000 µF lamp loads, but they are disconnected only in the event of an overload or short circuit.

For optimal alignment with the characteristics of the application the current rating of the ESX10 can be selected in fixed values from 0.5 A…16 A. Failure and status indication are provided by a multicolour LED and an integral short-circuit-proof status output or a potential-free signal contact.

The ESX10, with a width of only 12.5 mm, can be plugged into the E-T-A power distribution socket Module 17plus ensuring ease of installation and saving space in control cabinets.

Technical Data

operating voltage DC 24 V (18…32 V)
Voltage rating DC 24 V
Current ratings 0.5 A
1 A
2 A
3 A
4 A
6 A
8 A
10 A
12 A
16 A
Number of poles 1-pole
Load disconnection short circuit: typically 100 ms
overload: typically 5 s
Current limitation typically 1,15 x IN
typically 1.8 / 1.5 / 1.3 x IN
Signal output DC 30 V/0.5 A max. (N/C or N/O)
DC 10 V/10 mA min. (N/C or N/O)
status output: max. 0.2 A (short circuit-proof)
Status indication 1 LED green/orange/red: status/fault
Temperature range -30…+50 °C
Terminal design blade terminals 6.3 mm
Mounting method plug-in type, utilising module 17plus and 18plus
Certificates ATEX 2014/34/EU EN 60079-0/-7/-15 IEC 60079-0/-7/-15 UL 2367 UL508 / CSA C22.2 No. 14 UL 121201


Order number Description
17plus power distribution system
23-P10-Si socket
63-P10-Si socket
SB-S11-P1-01-1-1A jumper
X21058801-04 Connector bus links -P10

01 = 1.5 mm2 brown


02 = 2.5 mm2 black


03 = 2.5 mm2 red


04 = 2.5 mm2 blue

X21115601 screw terminal
X21115701/02 busbar for mounting socket

01 = with terminal


02 = without terminal

X22200401 end bracket
X22200501-03 signal busbar

01 = blue


02 = red


03 = grey

Y30382401 insulation sleeving for busbar
Y30701601/11 busbar
Y30775401 retaining clip
Y30794261 label
Y30872901 retaining clip


  • (Steel industry)
  • Automation
  • Automobile production
  • Chemical, Oil & Gas
  • Mechanical engineering
  • Pharmaceutical & Food
  • Power Engineering DC 24 V
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