Description
Specs
| Catalog Number | RL1307A277 |
|---|---|
| Enclosure | OPEN |
| Frame | 56H |
| Frame Material | Steel |
| Frequency | 60.00 Hz |
| Motor Letter Type | Cap Start, Induction Run |
| Output @ Frequency | .750 HP @ 60 HZ |
| Phase | 1 |
| Synchronous Speed @ Frequency | 1800 RPM @ 60 HZ |
| Voltage @ Frequency | 277.0 V @ 60 HZ |
| XP Class and Group | None |
| XP Division | Not Applicable |
| Agency Approvals | UR CSA |
| Ambient Temperature | 40 °C |
| Auxillary Box | No Auxillary Box |
| Auxillary Box Lead Termination | None |
| Base Indicator | Resilient |
| Bearing Grease Type | Polyrex EM (-20F +300F) |
| Blower | None |
| Current @ Voltage | 4.200 A @ 277.0 V |
| Design Code | N |
| Drip Cover | No Drip Cover |
| Duty Rating | CONT |
| Efficiency @ 100% Load | 66.0 % |
| Electrically Isolated Bearing | Not Electrically Isolated |
| Feedback Device | NO FEEDBACK |
| High Voltage Full Load Amps | 4.2 a |
| Front Face Code | Resilient Mount |
| Front Shaft Indicator | None |
| Heater Indicator | No Heater |
| Insulation Class | F |
| Inverter Code | Not Inverter |
| KVA Code | M |
| Lifting Lugs | No Lifting Lugs |
| Locked Bearing Indicator | No Locked Bearing |
| Motor Lead Exit | Terminal Panel |
| Motor Lead Termination | Flying Leads |
| Motor Lead Quantity/Wire Size | 5 @ 18 AWG |
| Motor Type | 3428L |
| Mounting Arrangement | F1 |
| Number of Poles | 4 |
| Overall Length | 12.47 IN |
| Power Factor | 69 |
| Product Family | General Purpose |
| Pulley End Bearing Type | Ball |
| Pulley Face Code | Resilient Mount |
| Pulley Shaft Indicator | Standard |
| Rodent Screen | None |
| Service Factor | 1.25 |
| Shaft Diameter | 0.625 IN |
| Shaft Extension Location | Pulley End |
| Shaft Ground Indicator | No Shaft Grounding |
| Shaft Rotation | Reversible: Connected Standard |
| Shaft Slinger Indicator | No Slinger |
| Speed | 1725 rpm |
| Speed Code | Single Speed |
| Motor Standards | NEMA |
| Starting Method | Direct on line |
| Thermal Device - Bearing | None |
| Thermal Device - Winding | None |
| Vibration Sensor Indicator | No Vibration Sensor |
| Winding Thermal 1 | Automatic Thermal Overload |
| Winding Thermal 1 Location | SB |
| Winding Thermal 2 | None |
Drawings
Nameplate
| CAT.NO. | RL1307A277 |
|---|---|
| SPEC. | 34L986X691G1 |
| HP | .75 |
| VOLTS | 277 |
| AMP | 4.2 |
| RPM | 1725 |
| FRAME | 56H |
| SER.F. | 1.25 |
| NEMA-NOM-EFF | 66 |
| RATING | 40C AMB-CONT |
| DE | 6203 |
| ENCL | OPEN |
Performance
| Line-Line Res. @ 25° C | 3.94 Ohms A Ph / 6.8 Ohms B Ph |
|---|---|
| Temp. Rise @ Rated Load | 75° C |
| Temp. Rise @ S.F. Load | 91° C |
| Start Configuration | DOL |
| Break-Down Torque | 6 LB-FT |
| Pull-Up Torque | 5.7 LB-FT |
| Locked-Rotor Torque | 10.8 LB-FT |
| Starting Current | 29 A |
| Rated Load | Rated Load | 0% | 25% | 50% | 75% | 100% | 125% | 150% | S.F. | |
|---|---|---|---|---|---|---|---|---|---|---|
| Power Factor | 18.0 | 37.0 | 50.0 | 62.0 | 71.0 | 75.0 | 78.0 | 75.0 | ||
| Efficiency | 0.0 | 43.4 | 60.3 | 65.7 | 67.4 | 67.0 | 64.7 | 67.0 | ||
| Speed (RPM) | 1,799 | 1,779 | 1,765 | 1,750 | 1,733 | 1,711 | 1,685 | 1,711 | ||
| Line Amps | 3.10 | 3.20 | 3.40 | 3.70 | 4.20 | 4.90 | 5.80 | 4.90 |
Parts
| 34CB4501SP | TERMINAL BOX LID, STAMPED X (PLATED) |
|---|---|
| MN416A01 | TAG-INSTAL-MAINT no wire (2100bx)4/22 |
