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| PartNumber | ESM020W-0400-42 | ESM020W-0440-25 | ESM020W-0440-34 |
| Description | LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 16.8 W max, 400 mA Iou | LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 11.0 W max, 440 mA Iou | LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 15.0 W max, 440 mA Iou |
| Manufacturer | ERP Power | ERP Power | ERP Power |
| Product Category | LED Power Supplies | LED Power Supplies | LED Power Supplies |
| RoHS | Y | Y | Y |
| Operation Mode | Constant Current (CC) | Constant Current (CC) | Constant Current (CC) |
| Output Current Channel 1 | 400 mA | 440 mA | 440 mA |
| Output Voltage Channel 1 | 42 VDC | 25 VDC | 34 VDC |
| Output Power | 16.8 W | 11 W | 15 W |
| Input Voltage | 120 VAC to 277 VAC | 120 VAC to 277 VAC | 120 VAC to 277 VAC |
| Dimming | With Dimming | With Dimming | With Dimming |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Mounting Style | Chassis Mount | Chassis Mount | Chassis Mount |
| Length | 110 mm | - | 110 mm |
| Width | 60 mm | - | 60 mm |
| Height | 26 mm | - | 26 mm |
| Industry | Commercial | Commercial | Commercial |
| Series | ESM | ESM | ESM |
| IP Rating | IP20 | - | IP20 |
| Open Frame/Enclosed | Enclosed | Enclosed | Enclosed |
| Packaging | Bulk | Bulk | Bulk |
| Brand | ERP | ERP | ERP |
| Product Type | LED Power Supplies | LED Power Supplies | LED Power Supplies |
| Factory Pack Quantity | 50 | 50 | 50 |
| Subcategory | AC-DC Power Supply | AC-DC Power Supply | AC-DC Power Supply |