| PartNumber | 266K35 | 266K12 | 266K18 |
| Description | Power Transformers DualPrimarySecondary 52.5VA, 35V CT @1.5A | Power Transformers DualPrimarySecondary 18.9VA/12.6V CT@1.5A | Power Transformers DualPrimarySecondary 27VA, 18V CT @ 1.5A |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Y | - | - |
| Product | Transformer | Isolation Transformers | - |
| Primary Voltage Rating | 115 VAC, 230 VAC | 117 V / 234 V | - |
| Secondary Voltage Rating | 35 VAC CT | 12.6 V | - |
| Power Rating | 52.5 VA | - | - |
| Secondary Current Rating | 1.5 A | - | - |
| Mounting Style | Chassis | Chassis | - |
| Primary Winding | Dual Primary Winding | Dual Primary Winding | - |
| Secondary Winding | Dual Secondary Winding | Dual Secondary Winding | - |
| Length | 101.6 mm | 2 in | - |
| Width | 57.15 mm | 2.06 in | - |
| Height | 66.54 mm | 3.25 in | - |
| Series | 266 | 266 | 266 |
| Operating Frequency | 50 Hz, 60 Hz | - | - |
| Operating Temperature Range | 0 C to + 130 C | - | - |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Type | Low Voltage, Filament Dual Primary | Laminated Core | Laminated Core |
| Brand | Hammond Manufacturing | - | - |
| Maximum Operating Temperature | + 130 C | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Product Type | Isolation Transformers | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Transformers | - | - |
| Unit Weight | 2.200 lbs | 1.300 lbs | - |
| Mounting Type | - | Chassis Mount | Chassis Mount |
| Size Dimension | - | 82.55mm L x 52.32mm W | 93.73mm L x 50.04mm W |
| Current Output Max | - | Parallel 3A, Series 1.5A | Parallel 3A, Series 1.5A |
| Power Max | - | 18.9 VA | 27 VA |
| Voltage Isolation | - | 2000Vrms | 2000Vrms |
| Height Seated Max | - | 50.80mm | 58.67mm |
| Voltage Primary | - | 117V, 234V | 117V, 234V |
| Voltage Secondary Full Load | - | Parallel 6.3V, Series 12.6V | Parallel 9V, Series 18V |
| Primary Winding s | - | Dual | Dual |
| Secondary Winding s | - | Dual | Dual |
| Center Tap | - | No | No |