| PartNumber | 187D28 | 187D20 | 187D24 |
| Description | Power Transformers Single Primary 115V 30VA, 28V CT @1.07A | Power Transformers Single Primary 115V 30VA, 20V CT @1.5A | Power Transformers Single Primary 115V 30VA, 24V CT @1.25A |
| Manufacturer | Hammond | - | Hammond Manufacturing |
| Product Category | Power Transformers | - | Power Transformers |
| RoHS | Y | - | - |
| Product | Transformer | - | - |
| Primary Voltage Rating | 115 VAC | - | - |
| Secondary Voltage Rating | 28 VAC CT | - | - |
| Power Rating | 30 VA | - | - |
| Secondary Current Rating | 1.07 A | - | - |
| Mounting Style | Chassis | - | - |
| Primary Winding | Single Primary Winding | - | - |
| Secondary Winding | Single Secondary Winding | - | - |
| Length | 82.55 mm | - | - |
| Width | 42.67 mm | - | - |
| Height | 49.02 mm | - | - |
| Series | 186-187 | - | 187 |
| Operating Frequency | 50 Hz, 60 Hz | - | - |
| Termination Style | Quick Connects | - | Solder, Quick Connect |
| Type | Low Voltage, Connect Terminals | - | Laminated Core |
| Brand | Hammond Manufacturing | - | - |
| Product Type | Power Transformers | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Transformers | - | - |
| Unit Weight | 1.100 lbs | - | - |
| Mounting Type | - | - | Chassis Mount |
| Size Dimension | - | - | 82.55mm L x 52.20mm W |
| Current Output Max | - | - | 1.25A |
| Power Max | - | - | 30 VA |
| Voltage Isolation | - | - | 2000Vrms |
| Height Seated Max | - | - | 49.02mm |
| Voltage Primary | - | - | 115V |
| Voltage Secondary Full Load | - | - | 24V |
| Primary Winding s | - | - | Single |
| Secondary Winding s | - | - | Single |
| Center Tap | - | - | Yes |