| PartNumber | 166R5 | 166R12 | 166R10 |
| Description | Power Transformers 5ct VAC / 8 Amps | Power Transformers 12.6ct VAC / 8 Amps | Power Transformers 80VA 115 10VCT |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| Series | 166 | 166 | 166 |
| Product | Power Transformers | Power Transformers | Power Transformers |
| Type | Laminated Core | Laminated Core | Laminated Core |
| Unit Weight | 1.700 lbs | 3.500 lbs | 3 lbs |
| Mounting Style | Chassis | Chassis | Chassis |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Operating Temperature Range | 0 C to + 130 C | 0 C to + 130 C | 0 C to + 130 C |
| Height | 58.7 mm | 66.8 mm | 66.8 mm |
| Length | 93.7 mm | 114.3 mm | 102.4 mm |
| Width | 47.8 mm | 63.5 mm | 57.2 mm |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Size Dimension | 93.73mm L x 50.80mm W | 114.30mm L x 63.50mm W | 102.36mm L x 63.50mm W |
| Current Output Max | 8A | 8A | 8A |
| Power Max | 40 VA | 100.8 VA | 80 VA |
| Voltage Isolation | 2000Vrms | 2000Vrms | 2000Vrms |
| Height Seated Max | 58.67mm | 76.20mm | 66.80mm |
| Voltage Primary | 115V | 115V | 115V |
| Voltage Secondary Full Load | 5V | 12.6V | 10V |
| Primary Winding s | Single | Single | Single |
| Secondary Winding s | Single | Single | Single |
| Center Tap | Yes | Yes | Yes |
| Power Rating | 40 VA | 100.8 VA | 80 VA |
| Primary Voltage Rating | 115 VAC | 115 VAC | 115 VAC |
| Secondary Voltage Rating | 5 VAC CT | 12.6 VAC CT | 10 VAC CT |
| Secondary Current Rating | 8 A | 8 A | 8 A |
| Primary Winding | Single Primary Winding | Single Primary Winding | Single Primary Winding |
| Secondary Winding | Single Secondary Winding | Single Secondary Winding | Single Secondary Winding |
| Operating Frequency | 50 Hz 60 Hz | 50 Hz 60 Hz | 50 Hz 60 Hz |
| Packaging | - | Bulk | Bulk |