CMA Dishmachines Undercounter Dishwashers - UC50E
30 racks per hour • 13" door clearance • Built-in 6 kW booster heater
Engineered for busy bars, cafés, and smaller commercial kitchens, the UC-50e delivers sparkling dishes and glassware every two-minute cycle while using less than a gallon of water per rack. Its double-skin stainless-steel cabinet keeps heat and noise inside, and the Safe-T-Temp feature guarantees a 180 °F sanitizing rinse each and every time.
Features
- High-temperature sanitizing with integrated 6 kW booster & safety thermostat
- Processes up to 30 racks / 120 covers per hour
- Low 0.8 gal. water consumption per rack saves on utilities
- Generous 13" door opening handles oversized plates & tall stemware
- Fully automatic wash / rinse cycle with top-mounted, easy-read controls
- Built-in detergent and rinse-aid pumps—no external dispensers required
- Pumped drain for flexible installations, including above-floor or elevated drains
- Removable upper & lower stainless wash/rinse arms for fast cleaning
- Triple filtration system + stainless safety screens protect the ¾ HP wash pump
- Door & water-level safety switches for worry-free operation
- Includes one (1) open rack and one (1) peg rack, 20" × 20" each
Specifications
| Capacity |
30 racks / 120 covers per hour |
| Total Cycle Time |
120 sec (standard) • 180 sec (heavy) |
| Wash Temperature |
155 – 160 °F |
| Rinse Temperature |
180 – 195 °F (Safe-T-Temp verified) |
| Water Usage |
0.8 gal per rack (3 L) |
| Booster Heater |
6 kW built-in (reaches 180 °F without external tank) |
| Wash Tank Heater |
2.7 kW |
| Pump Motor |
¾ HP |
| Electrical |
208–240 V / 1 ph / 27–30 A |
| Dimensions (W × D × H) |
23-7/16" × 24" × 33-5/16"
(59.5 × 61 × 84.5 cm) |
| Max Loading Height |
13" (33 cm) |
| Water Inlet / Drain |
¾" NPT / 1" OD pumped drain |
What our Experts Think
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High-performance undercounter cleaning — The CMA UC50E delivers up to 30 racks per hour, making it a strong choice for restaurants, cafés, and bars that need fast, continuous dish turnover in a compact footprint.
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True high-temperature sanitizing system — Built-in 6 kW booster heater ensures a final rinse reaching up to 180°F–195°F, delivering reliable NSF-level sanitation without manual intervention.
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Space-saving commercial design — Fits neatly under counters at roughly 24" width and 33" height, maximizing kitchen efficiency where space is limited.
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Low water consumption efficiency — Uses approximately 0.8 gallons per rack, helping reduce operating costs while maintaining strong wash performance.
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Heavy-duty stainless steel build — Double-skin stainless steel construction improves durability, reduces noise, and maintains stable internal temperatures during cycles.
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Fast, consistent wash cycles — Around 2-minute automated cycles allow rapid turnaround during peak service periods with minimal operator input.
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Operator-friendly maintenance — Removable wash/rinse arms and a triple filtration system simplify cleaning and help maintain consistent performance over time.
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Flexible installation options — Pump drain and safety systems allow installation in a wide range of kitchen layouts, including non-floor-drain setups.
Q&A
Q: What is the CMA Dishmachines UC50E Undercounter Dishwasher used for?
A: The CMA UC50E is a high-temperature commercial undercounter dishwasher and glasswasher designed for restaurants, bars, cafés, and small-to-medium commercial kitchens. It efficiently washes and sanitizes dishes, glassware, and utensils in compact spaces.
Q: How many racks per hour does the CMA UC50E clean?
A: It can wash up to 30 racks per hour, making it suitable for steady mid-volume dishwashing operations.
Q: Does the UC50E sanitize with heat or chemicals?
A: It uses a high-temperature sanitizing system with a built-in 6 kW booster heater that ensures a final rinse around 180°F for proper sanitization.
Q: What makes the UC50E energy and water efficient?
A: It uses as little as 0.8 gallons of water per rack and features a double-wall stainless steel design for heat retention and reduced energy loss.
Q: What items can it wash?
A: The UC50E handles standard 20" x 20" dish racks and has a 13-inch door opening to accommodate plates, glasses, and taller kitchen items.
Q: What features improve ease of use and maintenance?
A: It includes fully automatic cycles, built-in detergent and rinse pumps, removable wash/rinse arms, and a triple filtration system to reduce clogging and simplify cleaning.
Maintenance Tips
- Clean spray arms, nozzles, and wash chamber daily to prevent food and limescale buildup
- Remove and clean filters/suction strainers every shift to protect the pump and maintain water flow
- Drain and refill the tank daily to ensure fresh wash water and consistent sanitation performance
- Inspect and flush spray arms regularly; remove and clear any clogged jets under running water
- Check door gasket and seals for wear, cracks, or debris to prevent leaks and heat loss
- Monitor detergent and rinse aid levels to maintain proper chemical balance and cleaning results
- Delime/descale periodically to prevent mineral buildup on heating elements and internal piping
- Verify correct water temperature and pressure for optimal wash and rinse performance
- Keep exterior stainless steel clean and dry to maintain hygiene and corrosion resistance
- Schedule periodic technician inspection for pumps, valves, and electrical components for long-term reliability
Damage 
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