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Machine Type Transformers » Bulletin M-1 |
| General Description: • Machine Type Transformer • Frame Cross Section 7-1/4" X 9-1/4" |
Ordering Instructions: • Order by model number shown • Add "X" to model number if transformer is to be fully potted • Specify tap switch position on 5-way mount models • For a drawing, click on the appropriate link, and send an email request to sales@romanmfg.com |
Wound Core
| KVA Rating 110C Rise | Secondary Voltage Range | Number of Taps | Tap Switch Location | RWMA Pad Size | Model Number | Weight Approx. | Drawing No. | Frame Letter | Turns Ratio 440 Volt | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 220V/60 Hz | 440V/60 Hz | Tap 1 | Tap 2 | Tap 3 | Tap 4 | Tap 5 | ||||||||
| 30 | 2.5 to 4.8 Volts | 5 | End Mount | 1 | M22630A1BMW | M44630A1BMW | 142 | R1308 | A | -- | -- | -- | -- | -- |
| 5 Way Mount | 1 | M22630A1DMW | M44630A1DMW | 147 | R1307 | |||||||||
| 40 | 3.2 to 5.8 Volts | 5 | End Mount | 1 | M22640E1BMW | M44640E1BMW | 158 | R1308 | E | 137:1 | 119:1 | 102:1 | 88:1 | 76:1 |
| 5 Way Mount | 1 | M22640E1DMW | M44640E1DMW | 163 | R1307 | |||||||||
| 50 | 3.5 to 6.9 Volts | 5 | End Mount | 1 | M22650B1BMW | M44650B1BMW | 178 | R1308 | B | 123:1 | 106:1 | 89:1 | 74:1 | 63:1 |
| 5 Way Mount | 1 | M22650B1DMW | M44650B1DMW | 183 | R1307 | |||||||||
Stacked Core
| KVA Rating 110C Rise | Secondary Voltage Range | Number of Taps | Tap Switch Location | RWMA Pad Size | Model Number | Weight Approx. | Drawing No. | Frame Letter | Turns Ratio 440 Volt | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 220V/60 Hz | 440V/60 Hz | Tap 1 | Tap 2 | Tap 3 | Tap 4 | Tap 5 | ||||||||
| 20 | 1.9 to 3.5 Volts | 5 | End Mount | 1 | M22620AIBML | M44620A1BML | 148 | R1308 | A | 222:1 | 193:1 | 167:1 | 144:1 | 125:1 |
| 5 Way Mount | 1 | M22630A1DMW | M44620A1DML | 153 | R1307 | |||||||||
| 35 | 2.7 to 5.2 Volts | 5 | End Mount | 1 | M22635B1BML | M44635B1BML | 187 | R1308 | B | 162:1 | 138:1 | 116:1 | 98:1 | 83:1 |
| 5 Way Mount | 1 | M22635B1DML | M44635D1BML | 192 | R1307 | |||||||||
| 50 | 3.5 to 6.5 Volts | 5 | End Mount | 1 | M22650J1BML | M44650J1BML | 230 | R1308 | J | 123:1 | 106:1 | 92:1 | 79:1 | 68:1 |
| 5 Way Mount | 1 | M22650J1DML | M44650J1DML | 235 | R1307 | |||||||||
| Standard Features: • Class "F" insulation • Solderless lug connections for primary wiring • Secondary pad sizes and hole spacings to RWMA standard • Secondary end positively sealed against contimination |
Optional Features: • Voltages and frequencies other than shown available on request • Thermostats • Special secondary pad sizes available on request • Primary disconnect plug |
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