| PartNumber | RTW2811RL | RTW281R8 | RTW281R8C |
| Description | Switching Power Supplies 308W 28V 11A | Switching Power Supplies 50.4W 28V 1.8A | Switching Power Supplies 50.4W 28V 1.8A |
| Manufacturer | TDK-Lambda Americas Inc. | TDK-Lambda Americas Inc. | TDK-Lambda Americas Inc. |
| Product Category | AC DC Converters | AC DC Converters | AC DC Converters |
| Series | RTW | RTW | RTW |
| Product | Switching Supplies | Switching Supplies | Switching Supplies |
| Type | Enclosed | Open Frame | Enclosed |
| Unit Weight | 2.866 lbs | 10.229449 oz | 1 lb |
| Height | 9.84 in | 4.88 in | 6.3 in |
| Length | 1.57 in | 0.87 in | 0.98 in |
| Width | 4.72 in | 3.23 in | 3.23 in |
| Operating Temperature | -10°C ~ 71°C (With Derating) | -10°C ~ 71°C (With Derating) | -10°C ~ 71°C (With Derating) |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Features | Adjustable Output, DC Input Capable, Load Sharing, PFC, Remote On/Off, Remote Sense, Universal Input | Adjustable Output, DC Input Capable, Remote On/Off, Remote Sense, Universal Input | Adjustable Output, DC Input Capable, Remote On/Off, Remote Sense, Universal Input |
| Size Dimension | 9.84" L x 1.57" W x 4.72" H (250.0mm x 40.0mm x 120.0mm) | 4.88" L x 0.87" W x 3.23" H (124.0mm x 22.0mm x 82.0mm) | 4.88" L x 0.87" W x 3.23" H (124.0mm x 22.0mm x 82.0mm) |
| Applications | ITE (Commercial) | ITE (Commercial) | ITE (Commercial) |
| Power Watts | 300W | 50W | 50W |
| Voltage Input | 85 ~ 265 VAC | 85 ~ 265 VAC | 85 ~ 265 VAC |
| Number of Outputs | 1 | 1 | 1 |
| Current Output Max | 11A | 2A | 2A |
| Voltage Isolation | 3kV (3000V) | 3kV (3000V) | 3kV (3000V) |
| Approvals | EN60950-1 UL60950-1 | EN60950-1 UL60950-1 | EN60950-1 UL60950-1 |
| Output Power | 308 W | 50.4 W | 50.4 W |
| Voltage Output 1 | 28V | 28V | 28V |
| Voltage Output 2 | - | - | - |
| Voltage Output 3 | - | - | - |
| Voltage Output 4 | - | - | - |
| Efficiency | 0.88 | 0.85 | 0.85 |
| Dimensions | 1.57 in L x 4.72 in W x 9.84 in H | 0.87 in L x 3.23 in W x 4.88 in H | 0.98 in L x 3.23 in W x 6.3 in H |
| Input Voltage | 115 VAC to 230 VAC | 115 VAC to 230 VAC | 115 VAC to 230 VAC |
| Output Voltage Channel 1 | 28 V | 28 V | 28 V |
| Output Current Channel 1 | 11 A | 1.8 A | 1.8 A |
| Commercial Medical | Commercial | Commercial | Commercial |
| Part # Aliases | RTW28-11RL | RTW28-1R8 | RTW28-1R8C |