Marathon Electric Explosion Proof Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256TC Frame, EPFC
Regular price
$4,382.00 USD
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Explosion Proof Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256TC Frame, EPFC
Features
- IP-54, Meets NEMA Premium® efficiency, Blue Chip Hazadous Duty® XRI® Motor
- Class F Insulation System, 10:1 Constant torque, 10:1 Variable torque, MAX GUARD® Class F insulation system, Internal and external epoxy paint
- Explosion Proof Division 1 Class I, Groups C & D, Class II, Groups F & G Meets temperature code T3B,
- Blue Chip Series® quality, 100% cast iron construction for rigidity and reduced vibration
- 1.15 Service Factor on sinewave or 1.0 Service Factor on IGBT power
- Precision balanced to .08”/sec, Extended grease tubes
- Normally closed thermostats (must be connected to control circuit)
- Brass Breather Drains both ends, Pipe Plugs both ends
- UL Recognized, CSA Certified, and CE Mark
Specifications
| Performance & Electrical | |
| Power | 20 HP |
| Power (dual rating) | 20 & 15 HP |
| Power | 14.9 kW |
| Voltage | 230/460 V |
| Phase | 3 |
| Frequency | 60 Hz |
| Speed (max) | 1768 RPM |
| Speed (dual) | 1768 & 1472 RPM |
| Full-load current | 48.5/24.2 A |
| Current (dual) | 48.5/24.2 & 44.5/22.3 A |
| Nominal efficiency | 93% |
| Power factor | 83.5% |
| Service factor | 1 |
| Number of poles | 4 |
| Number of speeds | 1 |
| NEMA design | B |
| KVA code | G |
| Duty | Continuous |
| Electrical type | Squirrel Cage Inverter Rated |
| Starting method | Part Wdg Start Or Inverter |
| Main winding resistance | .513 Ω |
| Frame & Mechanical | |
| Frame | 256TC |
| Frame size | 256 |
| Frame suffix | TC |
| Frame material | Cast Iron |
| Enclosure | Explosion Proof Fan cooled |
| IP rating | IP54 |
| Insulation class | F |
| Mounting | Rigid Base |
| Assembly / conduit box | F1 ONLY |
| Orientation | Horizontal |
| Rotation | Reversible |
| Max ambient | 50°C |
| Shaft & Bearings | |
| Shaft diameter | 1.625 in |
| Shaft type | T |
| Drive-end bearing | 6309 |
| Drive-end bearing type | Ball |
| Opp. drive-end bearing | 6210 |
| Opp. drive-end bearing type | Ball |
| Overload protection | Thermostat |
| Compliance & Certifications | |
| CE | N |
| CSA | Y |
| UL | UL Listed And CSA Certified |
| Hazardous location | DIV 1 EXP PROOF CL I GR CD CL II GR FG T3C |
| Connection drawing | EE7308T |
| Outline drawing | SS203036-1225 |
| Dimensions & Weight | |
| Overall dimensions (L × W × H) | 30.19 × 16.50 × 14.00 in |
| Weight | 455.00 lb |
| Identification | |
| Manufacturer part / model | 256TTGCD6528 |
| Catalog number | C501 |
| UPC | 722856212443 |
| Product line | Hazardous Duty® |
| Country of origin | Mexico |
| Substitute part | 825079.00 |
| Minimum order qty | 1 |
| Order multiple | 1 |
| Units per package | 1 |
| Catalog status | Active |