ABB SUM Series Submersible Motor

Overview & Key Features

The ABB SUM series submersible motor, built on the Baldor-Reliance® platform, delivers reliable continuous-duty performance in municipal and industrial wastewater systems. Whether installed fully submerged or operating in air, these motors are engineered to handle slurry pumps, aerators, and mixers in the toughest environments without interruption.

Key features of the ABB SUM series include:

• Continuous-duty design for water and sewage wet and dry pit applications
• Dual mechanical seals with an oil chamber to isolate motor windings from fluid ingress
• Moisture probes that detect early seal compromise and prevent catastrophic failure
• Epoxy-filled cable entries providing a watertight seal at the cable termination point
• 25-ft standard cable for deep well operations, with longer lengths available on request
• UL Listed and CSA certified for hazardous locations
• Class 1 Division 1 Groups C & D rating with a T3C temperature code (T2A for inverter use)
• Wet pit model capability of 15 minutes operation in air; dry pit models rated for continuous duty in air or fully submerged

Atomic Answer

The ABB SUM series is a continuous-duty submersible motor featuring dual mechanical seals, moisture probes, epoxy-filled cable entries, UL/CSA Class 1 Division 1 Groups C & D certification, T3C temperature code, and a 25-ft standard cable for deep well operation in wet or dry pit wastewater applications.

Practical Applications / How It Works

The ABB SUM series submersible motor is purpose-built for demanding fluid-handling environments where downtime is not an option. In municipal wastewater treatment plants, wet pit versions drive slurry pumps that move solids-laden effluent, while dry pit versions power aerators and mixers that keep biological treatment processes active. In industrial facilities, these motors support chemical processing sumps, dewatering operations, and cooling water circulation systems.

The motor's protection system works in layers. The dual mechanical seals create a primary and secondary barrier against fluid intrusion, while the intermediate oil chamber provides lubrication and acts as a buffer zone. Moisture probes continuously monitor the oil chamber; if water is detected, the system can trigger an alarm or shutdown before damage occurs. The epoxy-potted cable entry eliminates the most common leak path found in conventional submersible motors.

Wet pit SUM models are optimized for fully submerged operation and tolerate up to 15 minutes of in-air running during installation, inspection, or low-water events. Dry pit variants are designed for installations outside the liquid but exposed to humid, flooded, or submerged conditions, supporting continuous in-air duty. Both variants share the same hazardous-location certifications for environments containing flammable gases or vapors.

Supply, Warranty, and Sourcing

As a global supplier of industrial spare parts with over 20 years of experience, Spare Parts Map sources ABB SUM series submersible motors and supports customers primarily across Europe and worldwide. We respond to inquiries quickly, verify part numbers and certifications before shipment, and ensure your products reach you without problems. Every RFQ receives a clear quote including current availability, lead time, condition, and delivery options with no hidden steps.

Frequently Asked Questions

Q: What is the difference between wet pit and dry pit SUM series models? A: Wet pit models are designed for fully submerged operation and can run in air for up to 15 minutes during installation or low-water events. Dry pit models are intended for installations outside the liquid and support continuous duty in air, submerged, or flooded conditions.

Q: Are ABB SUM series submersible motors certified for hazardous areas? A: Yes. The SUM series is UL Listed and CSA certified for Class 1 Division 1 Groups C & D hazardous locations, with a T3C temperature code standard and T2A for inverter-driven applications.

Q: What sealing technology protects the motor from water ingress? A: The motor uses multiple protective layers: dual mechanical seals with an intermediate oil chamber, moisture probes to detect water in the oil, and epoxy-filled cable entries to seal the cable termination point.

Q: How do I request a quote for an ABB SUM series submersible motor? A: Use the "Request Quote" option on this page to submit your inquiry. Spare Parts Map will respond quickly with current availability, lead time, condition, and worldwide delivery options.

Frequently Asked Questions (FAQ)

Q: What is the difference between wet pit and dry pit SUM series models? A: Wet pit models are optimized for fully submerged operation and tolerate up to 15 minutes of in-air running during installation, inspection, or low-water events. Dry pit models are designed for installations outside the liquid but exposed to humid, flooded, or submerged conditions, supporting continuous in-air duty.

Q: Are ABB SUM series submersible motors certified for hazardous areas? A: Yes. The SUM series is UL Listed and CSA certified for Class 1 Division 1 Groups C & D hazardous locations, with a T3C temperature code as standard and T2A for inverter-driven applications.

Q: What sealing technology protects the motor from water ingress? A: The motor uses multiple protective layers: dual mechanical seals with an intermediate oil chamber, moisture probes to detect water in the oil, and epoxy-filled cable entries to seal the cable termination point.

Q: How do I request a quote for an ABB SUM series submersible motor? A: Use the "Request Quote" button on this page to submit your inquiry. Spare Parts Map will respond quickly with current availability, lead time, condition, and worldwide delivery options.