Main Components of a PLC System: Complete Guide for Engineers
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The Schneider Electric ABL8RED24400 is a Phaseo redundancy module that keeps a 24 V DC auxiliary circuit powered if one of two parallel ABL8 power supplies fails. It accepts a 24-28.8 V DC input from each supply and delivers up to 40 A of combined output. A front LED per input reports supply status for fast diagnosis on the panel.
Choose the ABL8RED24400 when two ABL8RP or ABL8WP power supplies feed the same 24 V DC bus and the installation cannot tolerate a single power-supply failure taking the bus down; either unit can carry the full 40 A load if the other trips. Use the buffer module in the same series instead when the concern is a brief mains interruption rather than supply redundancy.
| Range of Product | Phaseo |
|---|---|
| Product or Component Type | Redundancy module |
| Input voltage | 24...28.8 V DC |
| Output voltage | (Uin-0.2) V DC |
| Maximum output current | 40 A |
| Input voltage limits | 22...30 V |
|---|---|
| Input Current | 20 A |
| Number of output channels | 1 |
| Output protection type | Against overload, protection technology: external protection by power supply, Against short-circuits, protection technology: external protection by power supply |
| Connections - terminals | For output connection: screw type terminals, connection capacity: 2 x 0.5...2 x 10 mm² 20 AWG...8 AWG, For input connection: screw type terminals, connection capacity: 4 x 0.5...4 x 10 mm² 20 AWG...8 AWG, For diagnostic relay: removable screw terminal block, connection capacity: 1 x 2.5 mm² 14 AWG |
| Fixing mode | By clips 35 mm symmetrical DIN rail horizontal, By clips 35 mm symmetrical DIN rail vertical |
| Output coupling | Parallel |
| Operating altitude | 6561.68 ft (2000 m) |
| Marking | CE |
| Name of test | Electrostatic discharges IEC 61000-4-2, Emission IEC 61000-6-3, Induced electromagnetic field IEC 61000-4-6 level 3, Radiated electromagnetic field IEC 61000-4-3 level 3, Rapid transient IEC 61000-4-4 level 3, Surge IEC 61000-4-5 level 2, Conducted/radiated emissions EN 55022 Class B, Emission EN 50081-1 |
| Local signalling | 1 LED per input (green) for power supply status, 1 relay for power supply status |
| Net Weight | 1.5 lb(US) (0.7 kg) |
| Product Certifications | EAC, RCM |
|---|---|
| Standards | CSA C22.2 No 60950-1, UL 508 |
| Ambient Air Temperature for Operation | -13…140 °F (-25…60 °C) |
| Ambient Air Temperature for Storage | -40…185 °F (-40…85 °C) |
| Environmental characteristic | EMC conforming to IEC 61000-6-3, EMC conforming to IEC 61000-6-2, Safety conforming to IEC 60950-1, Safety conforming to EN/IEC 61204 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Dielectric strength | 500 V between input and ground, 500 V between output and ground |
| Overvoltage category | Class II conforming to VDE 0106-1 |
| Relative Humidity | 0…90 % during operation, 0…95 % during storage |
| MTBF reliability | 2488391 H at 24 V DC with UTE C80-810 calculation method |
| Vibration resistance | 2 gn (f= 11.9…150 Hz) conforming to IEC 61131-2, 3.5 mm (f= 3…11.9 Hz) conforming to IEC 61131-2 |
| Part number | ABL8RED24400 |
|---|---|
| Brand | Schneider Electric |
| Condition | New, factory sealed |
| Source | Schneider Electric and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 3389119406871 |
| Warranty (in months) | 18 |
|---|
| Country of origin | PH |
|---|---|
| Shipping weight | 0.7 kg |
| Ships from | Türkiye |
| Dispatch | — |
| Stock | On request |
Source: manufacturer data · Last verified: 30 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheetThe rated current of ABL8RED24400 is 40 A.
The tariff (HS) code on file for ABL8RED24400 is 850440.
The EAN (GTIN) of ABL8RED24400 is 3389119406871.
ABL8RED24400 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival.
Master PLC system components: CPU, power supply, I/O modules, communication interfaces, and software with sizing formulas and selection tips. Shop at Stoklink.