Hammond 722 720 VA 1,250V C.T. Plate Transformer, 115V Primary
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Create Free Business AccountKey Features
- 720 VA (CCS) high voltage plate transformer
- 1,250V C.T. R.M.S. secondary: 575ma CCS, 863ma ICAS
- 115 VAC, 50/60 Hz primary (Black & Black input leads)
- Runs full wave bridge or full wave C.T.
- Enclosed 4 hole chassis mount with minimum 6" leads
- Class A insulation (105 degrees C); Hi-Pot tested at minimum twice secondary voltage
- CSA certified (209651); RoHS and REACH compliant
The 722 is a 700 Series high voltage (plate) transformer rated 720 VA, with a single 115 VAC, 50/60 Hz primary and a 1,250V C.T. R.M.S. high voltage secondary. It suits builders and service technicians who need a centre-tapped plate winding for a rectified high voltage supply running from a 115 VAC line.
The high voltage secondary is rated 575ma under CCS (Continuous Commercial Service) and 863ma under ICAS (Intermittent Commercial or Amateur Service); the 720 VA figure is a CCS rating. The unit can be run in either a full wave bridge or a full wave C.T. rectifier circuit, and the series design guide gives the voltage and current factors for each rectifier and filter arrangement.
Construction is enclosed with a 4 hole chassis mount and minimum 6" long leads. Insulation is Class A (105 degrees C), each design is Hi-Pot tested at a minimum of twice the secondary voltage, and the series is CSA certified (209651). The part is listed as RoHS and REACH compliant.
Primary wiring for the 722 is simple: the 115 VAC input is on the Black and Black leads. The same 720 VA, 1,250V C.T. rating is also offered as the 722A, which has a dual 117/234 VAC primary. Shipping weight is 17.7 lbs (8.03 kg).
Note that the part's short description reads "625VA", while its long description, attributes and the series table all rate it at 720 VA.
Ideal For
- High voltage plate supplies for vacuum tube equipment
- Full wave bridge rectified high voltage DC supplies
- Full wave centre-tapped (C.T.) rectifier supplies
- Amateur radio (ICAS) intermittent service
Overview
| Series | 700 Series - High Voltage (Plate) - 259 VA to 1610 VA |
| Description | Transformer, high voltage, 720VA, 115 VAC to 1,250V C.T. @ 575ma., 700 series |
| Part Number | 722 |
| Short Description | 115V 50/60Hz 1250VCT 625VA |
| 117/234 VAC Primary Equivalent | 722A |
Electrical
| Frequency | 50/60 Hz |
| Hi-Pot Test | Minimum of twice secondary voltage |
| Primary Voltage | 115 VAC |
| Power Rating (VA) | 720 (CCS rating) |
| Primary Input Leads | Black & Black |
| Rectifier Configurations | Full wave bridge or full wave C.T. |
| H.V. Secondary Current (CCS) | 575ma. |
| H.V. Secondary Current (ICAS) | 863ma |
| AC High Voltage Secondary (R.M.S.) | 1,250V C.T. |
Identifiers
| UPC | 623980286204 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 17.7 lbs (8.03 kg) |
| Weight (Series Table) | 17.7 lbs |
Construction & Finish
| Lead Length | Minimum 6" long leads |
| Insulation Class | Class A (105 degrees C) |
| Enclosure / Mounting | Enclosed, 4 hole chassis mount |
Compliance & Certifications
| CSA | Certified (209651) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Documentation
Frequently Asked Questions
What are the ratings of the 722?▾
The 722 is rated 720 VA (a CCS rating) with a 115 VAC, 50/60 Hz primary and a 1,250V C.T. R.M.S. secondary rated 575ma. CCS and 863ma ICAS.
What do CCS and ICAS mean?▾
CCS is Continuous Commercial Service and ICAS is Intermittent Commercial or Amateur Service. The VA rating is specified as CCS.
How is the 722 primary connected?▾
It is a 115 VAC only model; the input is on the Black and Black leads.
What rectifier circuits can it be used with?▾
The unit can be run full wave bridge or full wave C.T.
What is the difference between the 722 and 722A?▾
Both are rated 720 VA with a 1,250V C.T. secondary. The 722 has a 115 VAC primary; the 722A has a dual 117/234 VAC primary.
What certifications does it carry?▾
The 700 Series is CSA certified (209651), and the part is listed as RoHS and REACH compliant.
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