Product Description
Standard Features
- Float-operated, submersible, 2-pole mechanical switch and variable level, long-cycle systems available
- Corrosion-resistant, powder-coated epoxy finish
- No sheet metal parts to rust or corrode
- Stainless steel screws, switch arm, guard, and handle
- No screens to clog
- Watertight, neoprene square ring between motor and pump housing
- Solid, buoyant, polypropylene float
- Oil-filled, hermetically-sealed, automatic reset thermal overload protected motor
- Upper and lower sleeve bearings running in bath of oil
- Entire unit pressure-tested after assembly
- Carbon and ceramic shaft seal
- Maximum temperature for effluent or dewatering: 130 °F (54 °C)
- Passes 1/2” (13 mm) spherical solids
- 1-1/2” NPT discharge
- On point: 7-1/4” (18 cm)
- Off point: 3” (8 cm)
- Major width: 10-3/32″ (26.2 cm)
- Major height: 10-1/16″ (25.6 cm)
- Watertight and dust-tight
- 3 year limited warranty on Models 53 & 57
- 1 year limited warranty on Models 55 & 59
Model 57 (60 Hz only)
- Cast iron switch case, housings, base, and impeller
- Stainless steel guard and handle
- Cast iron sleeve bearings
Options for Special Applications::
- Variable level float switches
- Variable level long cycle systems
- Special cord lengths of 15’, 25’ or 35’ (5 m, 8 m or 11 m). 50′ (15 m) cord lengths available for 230 V units only.
- Alarm systems
- Duplex systems
- Variable level control systems.
| Motor | 3/10 HP |
| Voltage | 115 or 230 V |
| Phase | 1 Ph |
| Hertz | 60 Hz |
| RPM | 1550 RPM |
| Type | Shaded pole |
| Insulation | Class B |
| Amps | 4.8 – 9.7 Amps |
| Operation | Automatic or nonautomatic |
| Auto On / Off Points | 7-1/4″ / 3″ (18.4 cm / 7.6 cm) |
| Discharge Size | 1-1/2″ NPT |
| Solids Handling | 1/2″ (12 mm) spherical solids |
| Cord Length | 9′ (3 m) auto, 15′ (5 m) nonauto |
| Cord Type | UL listed, 3-wire cord and plug |
| Max Head | 19.25′ (5.9 m) |
| Max Flow Rate | 43 GPM (163 LPM) |
| Max Operating Temperature | 130 °F (54 °C) |
| Cooling | Oil filled |
| Motor Protection | Auto reset thermal overload |
| Cap | Cast iron or bronze |
| Motor Housing | Cast iron or bronze |
| Pump Housing | Cast iron or bronze |
| Base | Cast iron, bronze or engineered thermoplastic |
| Upper Bearing | Sleeve bearing |
| Lower Bearing | Sleeve bearing |
| Mechanical Seals | Carbon and ceramic |
| Impeller Type | Non-clogging vortex |
| Impeller | Plastic, cast iron or bronze |
| Hardware | Stainless steel |
| Motor Shaft | AISI 1215 cold roll steel |
| Gasket | Neoprene |
