About Hazardous Location Environmental Ratings
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About Electric Motors
When replacing a motor, use the information on your motor’s nameplate to guide your selection.
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Hazardous Location Base-Mount AC Motors
These motors are rated for environments where hazardous material is present. They are continuous duty and mount horizontally. You can wire for clockwise or counterclockwise rotation; instructions are included. The base is welded to the enclosure.
Motors with automatic overload protection turn off in overload conditions to prevent motor damage and start automatically after they cool.
Hazardous location environmental ratings indicate whether manufacturers have included safety features in products to facilitate their safe use in a hazardous environment. Before selecting a product for a hazardous location, ensure it is rated for your environment.
Overall | Shaft | Insulation | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power, hp | Max. Speed, rpm | Full Load Current, A | Inverter Rated | Lg. | Wd. | Ht. | Dia | Lg. | Center to Base | Shaft Type | Overload Protection Type | Class | Max. Temp, °F | Environmental Rating | Each | |
115/208/230 Volts AC, Single Phase | ||||||||||||||||
NEMA 48 | ||||||||||||||||
| 1/4 | 1,800 | 5.0/2.6/2.5 | No | 12 7/8" | 7 1/4" | 8 1/8" | 1/2" | 1 1/2" | 3" | D-Profile | Automatic | B | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 0000000 |
NEMA 56 | ||||||||||||||||
| 1/2 | 1,800 | 7.4/3.9/3.7 | No | 14 1/4" | 8 3/8" | 9 1/8" | 5/8" | 1 7/8" | 3 1/2" | Keyed | Automatic | B | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 000000 |
115/230 Volts AC, Single Phase | ||||||||||||||||
NEMA 56 | ||||||||||||||||
| 1 | 1,800 | 12.4/6.2 | No | 15 1/4" | 8 3/8" | 9 1/8" | 5/8" | 1 7/8" | 3 1/2" | Keyed | Automatic | B | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 00000000 |
208/230/460 Volts AC, Three Phase | ||||||||||||||||
NEMA 56 | ||||||||||||||||
| 3/4 | 1,800 | 3.2/3.0/1.5 | No | 14 1/4" | 8 3/8" | 9 1/8" | 5/8" | 1 7/8" | 3 1/2" | Keyed | Automatic | B | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 000000 |
230/460 Volts AC, Three Phase | ||||||||||||||||
NEMA 145T | ||||||||||||||||
| 2 | 1,800 | 5.4/2.7 | Yes | 15 1/4" | 8 5/8" | 9 1/8" | 7/8" | 2 1/4" | 3 1/2" | Keyed | __ | F | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 00000000 |
NEMA 56 | ||||||||||||||||
| 1 | 1,800 | 3.0/1.5 | Yes | 14 3/8" | 8 3/8" | 9 1/8" | 5/8" | 1 7/8" | 3 1/2" | Keyed | __ | F | 104° | NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups F, G | 0000000 | 00000000 |