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| PartNumber | 166N12-BULK | 166N12 | 166N12B |
| Description | Power Transformers 12.6ct VAC / 4 Amps | Power Transformers 12.6ct VAC / 4 Amps | Power Transformers 117 V 50/60 Hz 12 C.T. VAC/4 AMPS |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Details | - | - |
| Brand | Hammond Manufacturing | - | - |
| Product | Power Transformers | Power Transformers | Power Transformers |
| Primary Voltage Rating | 115 VAC | 115 VAC | 117 VAC |
| Secondary Voltage Rating | 12.6 VAC CT | 12.6 VAC CT | 12 VAC CT |
| Power Rating | 50.4 VA | 50.4 VA | 48 VA |
| Secondary Current Rating | 4 A | 4 A | 4 A |
| Mounting Style | Chassis | Chassis | Chassis |
| Primary Winding | Single Primary Winding | Single Primary Winding | Single Primary Winding |
| Secondary Winding | Single Secondary Winding | Single Secondary Winding | Single Secondary Winding |
| Length | 93.7 mm | 93.7 mm | 3.69 in |
| Width | 47.8 mm | 47.8 mm | 2 in |
| Height | 58.7 mm | 58.7 mm | 2.31 in |
| Operating Frequency | 50 Hz 60 Hz | 50 Hz 60 Hz | 50 Hz 60 Hz |
| Operating Temperature Range | 0 C to + 130 C | 0 C to + 130 C | 0 C to + 130 C |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Type | L V Rectifier use Transformers | Laminated Core | Laminated Core |
| Series | - | 166 | 166 |
| Packaging | - | Bulk | - |
| Unit Weight | - | 2 lbs | 2 lbs |
| Mounting Type | - | Chassis Mount | Chassis Mount |
| Size Dimension | - | 93.73mm L x 50.80mm W | 93.73mm L x 50.80mm W |
| Current Output Max | - | 4A | 4A |
| Power Max | - | 50.4 VA | 48 VA |
| Voltage Isolation | - | 2000Vrms | 2000Vrms |
| Height Seated Max | - | 58.67mm | 58.67mm |
| Voltage Primary | - | 115V | 117V |
| Voltage Secondary Full Load | - | 12.6V | 12V |
| Primary Winding s | - | Single | Single |
| Secondary Winding s | - | Single | Single |
| Center Tap | - | Yes | Yes |