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Machine Type Transformers » Bulletin M-2.1 |
| General Description: • Machine Type Transformer • Stacked Core • Frame Cross Section 10 3/4" X 13 3/8" |
Ordering Instructions: • Order by model number shown • Add "X" to model number if transformer is to be fully potted • Specify "primary conduit opening" or "primary cable clamp block" ("primary conduit opening" furnished standard) • 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 | 440V/60 Hz | Tap 1 |
Tap 2 |
Tap 3 |
Tap 4 |
Tap 5 |
Tap 6 |
Tap 7 |
Tap 8 |
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| 100 | 5.5 to 10.0 Volts |
8 | End Mount | 1 2 3 |
M226100ML1BML M226100ML1BNL M226100ML1BOL |
M446100ML1BML M446100ML1BNL M446100ML1BOL |
420 423 427 |
R1471 | ML | 80:1 | 74:1 | 68:1 | 62:1 | 57:1 | 52:1 | 48:1 | 44:1 |
| Side Mount | 1 2 3 |
M226100ML1FML M226100ML1FNL M226100ML1FOL |
M446100ML1FML M446100ML1FNL M446100ML1FOL |
440 443 447 |
R1472 | ||||||||||||
| 125 | 6.6 to 12.2 Volts |
8 | End Mount | 1 2 3 |
M226125MA1BML M226125MA1BNL M226125MA1BOL |
M446125MA1BML M446125MA1BNL M446125MA1BOL |
490 493 501 |
R1471 | MA | 66:1 | 60:1 | 55:1 | 50:1 | 46:1 | 42:1 | 39:1 | 36:1 |
| Side Mount | 1 2 3 |
M226125MA1FML M226125MA1FNL M226125MA1FOL |
M446125MA1FML M446125MA1FNL M446125MA1FOL |
510 513 517 |
R1472 | ||||||||||||
| 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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