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Machine Type Transformers » Bulletin M-2 |
| General Description: • Machine Type Transformer • Stacked Core • Frame Cross Section 9 1/2" 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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| 50 | 4.0 to 7.9 Volts | 6 | End Mount | 1 2 |
M22650NB1BML M22650NB1BNL |
M44650NB1BML M44650NB1BNL |
369 372 |
R1206 | NL | 110:1 | 96:1 | 83:1 | 73:1 | 63:1 | 55:1 | NA | NA |
| Side Mount | 1 2 |
M22650NB1FML M22650NB1FNL |
M44650NB1FML M44650NB1FNL |
339 342 |
R1306 | ||||||||||||
| 50 | 3.6 to 10.0 Volts |
8 | End Mount | 1 2 |
M22650NL1BML M22650NL1BNL |
M44650NL1BML M44650NL1BNL |
369 372 |
R1206 | NL | 119:1 | 98:1 | 81:1 | 69:1 | 61:1 | 54:1 | 49:1 | 44:1 |
| Side Mount | 1 2 |
M22650NL1FML M22650NL1FNL |
M44650NL1FML M44650NL1FNL |
389 392 |
R1306 | ||||||||||||
| 75 | 5.7 to 10.0 Volts |
8 | End Mount | 1 2 |
M22675NL1BML M22675NL1BNL |
M44675NL1BML M44675NL1BNL |
369 372 |
R1206 | NL | 77:1 | 71:1 | 65:1 | 65:1 | 59:1 | 50:1 | 47:1 | 44:1 |
| Side Mount | 1 2 |
M226575NL1FML M22675NL1FNL |
M44675NL1FML M44675NL1FNL |
339 342 |
R1306 | ||||||||||||
| 100 | 6.8 to 10.0 Volts |
6 | End Mount | 1 2 |
M226100NL1BML M226100NL1BNL |
M446100NL1BML M446100NL1BNL |
369 372 |
R1206 | NL | 65:1 | 60:1 | 55:1 | 51:1 | 47:1 | 44:1 | NA | NA |
| Side Mount | 1 2 |
M226100NL1FML M226100NL1FNL |
M446100NL1FML M446100NL1FNL |
389 392 |
R1306 | ||||||||||||
| 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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