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Machine Type Transformers » Bulletin M-4 |
| General Description: • Machine Type Transformer • Stacked Core • Frame Cross Sections:
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Ordering Instructions: • Order by model number shown • Add "X" to model number if transformer is to be fully potted • For a drawing, click on the appropriate link, and send an email request to sales@romanmfg.com |
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 | Tap 1 |
Tap 2 |
Tap 3 |
Tap 4 |
Tap 5 |
Tap 6 |
Tap 7 |
Tap 8 |
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| 250 | 7.6 to 13.8 Volts | 8 | End Mount | 3 | M446250V1BOL | 975 | R1286 | V | 58:1 | 53:1 | 49:1 | 45:1 | 41:1 | 38:1 | 35:1 | 32:1 |
| 300 | 8.6 to 15.7 Volts | 8 | End Mount | 3 | M446300VA1BOL | 1085 | R1286 | VA | 51:1 | 47:1 | 43:1 | 39:1 | 36:1 | 33:1 | 30:1 | 28:1 |
| 300 | 8.6 to 15.7 Volts | 8 | End Mount | 4 | M446300VA1BPL | 1100 | R1286 | VA | 51:1 | 47:1 | 43:1 | 39:1 | 36:1 | 33:1 | 30:1 | 28:1 |
| 400 | 8.8 to 16.9 Volts | 8 | End Mount | 4 | M446400U1BPL | 1465 | R1286 | U | 50:1 | 46:1 | 42:1 | 38:1 | 34:1 | 31:1 | 28:1 | 26:1 |
| 500 | 9.8 to 18.3 Volts | 8 | End Mount | 4 | M446500UA1BPL | 1545 | R1286 | UA | 45:1 | 41:1 | 37:1 | 34:1 | 31:1 | 28:1 | 26:1 | 24:1 |
| 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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