Power distribution for UE20 I/O
The UE20-DC-U-5 supplies a modular I/O station from 24V DC. It provides a 5V system supply with a maximum current of 2A and a separate 24V load distribution path rated up to 5A. The module includes electrical isolation and reverse power protection.
Electrical ratings
| Characteristic | UE20-DC-U-5 |
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| Power distribution channels | 1 |
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| Operating input voltage | 24V DC, +20%/-15% |
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| System supply voltage | 5V DC |
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| System supply current | 2A maximum |
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| Load distribution voltage | 24V DC, +20%/-15% |
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| Load distribution current | 5A maximum |
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| Isolation method | Electrical isolation |
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| Reverse power protection | Supported |
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Assess the 5V system load and 24V field load separately. The 5A field distribution rating is distinct from the 2A rating of the converted 5V supply.
Spring terminal wiring
| Characteristic | Specification |
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| Connection method | Spring terminal blocks |
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| Conductor cross-section | 0.2-2.5mm² |
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| AWG conductor range | AWG28-AWG14 |
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| Stripping length | 8-9mm |
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Mounting and environment
| Characteristic | Specification |
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| Height × width × depth | 100mm × 12mm × 68mm |
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| Mounting | 35mm DIN rail |
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| Ingress protection | IP20 |
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| Operating temperature | -10°C to +55°C |
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| Storage temperature | -20°C to +85°C |
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| Relative humidity | 5-95%RH, non-condensing |
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