EL9227-4400 | Overcurrent protection terminal, 24 V DC, 2-channel, max. 4 A, NEC Class 2, adjustable, extended functionalities
output 1
via power
contact
contact 0 V
output 1
output 2
EL9227-4400 | Overcurrent protection terminal, 24 V DC, 2-channel, max. 4 A, NEC Class 2, adjustable, extended functionalities
Safeguarding the 24 V DC power supply
System-integrated overcurrent protection in the EL9227 EtherCAT Terminal
Automatica: Beckhoff Trade Show TV
System-integrated overcurrent protection in the EtherCAT I/O system
SPS IPC Drives
The EL9227-4400 electronic overcurrent protection terminal is a 24 V DC EtherCAT Terminal with an electronic protection function including NEC Class 2 approval according to UL1310. The EL9227-4400 is a 2-channel device and switches 24 V DC overcurrents off reliably. The rated current can be adjusted in 1 A steps up to a maximum of 4 A both via TwinCAT and via a mechanical button on the overcurrent protection terminal. The protected output 1 can be fed out via a terminal contact or directly forwarded via the power contact of neighboring terminals without wiring.
The EL9227-4400 is ideally suited for plant monitoring, since numerous process data are available and status data can be both displayed and stored. In addition, there are some extended optional settings, such as e.g. characteristic curve selection, undervoltage/preliminary warning level, last state, etc. By using the EL9227-4400, NEC Class 2 circuits (< 100 VA) can be implemented with standard power supplies.
Product status:
product announcement | estimated market release 3rd quarter 2025
Product information
| Technical data | EL9227-4400 |
|---|---|
| Technology | overcurrent protection terminal 24 V DC, 2-channel |
| Input current | max. 10 A |
| Rated current | adjustable from 1…4 A in 1 A steps, max. 4 A |
| Number of inputs | 2 |
| Number of outputs | 2 |
| Hold after output switch-off | ≥10 s |
| Advance warning output load | adjustable; 50…100% |
| Over voltage power-off | ≥ 32 V DC |
| Advance warning low-voltage | – |
| Reverse polarity switch-off | – |
| Current consumption E-bus | typ. 80 mA |
| Nominal voltage | 24 V DC |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Weight | approx. 55 g |
| Operating/storage temperature | 0…+55°C/-25…+85°C |
| Protect. rating/installation pos. | IP20/see documentation |
| Approvals/markings | CE, UL |
| Housing data | EL-12-8pin |
|---|---|
| Design form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side by side mounting by means of | double slot and key connection |
| Marking | labeling of the BZxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping length | 8…9 mm |
| Current load power contacts | Imax: 10 A |
*s: solid wire; st: stranded wire; f: with ferrule
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