W&H Lexa Class S Sterilizer, 28L
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W&H Lexa Class S Sterilizer delivers high-capacity steam sterilization with dynamic pulsed air removal, vacuum-assisted drying, digital cycle documentation, and a 28-liter chamber for efficient instrument reprocessing.
Product Code: NLexa-S
The W&H Lexa Class S Sterilizer is designed to improve medical instrument reprocessing with a large 28-liter chamber, versatile cycle programs, short cycle times, and closed-door vacuum-assisted drying. Its unique reversible rack and four large aluminum trays provide flexible loading for medium and larger instrument loads. Built-in USB cycle documentation, Ethernet connectivity, single-use distilled water management, and an intuitive color touchscreen help streamline daily sterilization workflows and documentation.
- Class S steam sterilizer with dynamic pulsed air removal
- Large 28-liter (7.4 gallon) chamber
- Closed-door vacuum-assisted drying
- Up to 18 lb maximum unwrapped load capacity
- Versatile programs for unwrapped, wrapped and low-temperature loads
- Built-in USB data logger for digital cycle documentation
- Ethernet connectivity; optional Wi-Fi kit
- Single-use distilled water management
- Automatic draining; automatic water filling optional
- User-friendly color touchscreen interface
- Reversible rack with four large aluminum trays
- Optional user authentication, load release and barcode label printing
Included with the W&H Lexa Class S: reversible rack, four aluminum trays, drain tube, tray holder, USB drive, door opening tool, and factory test documentation.
| Specification | Value |
|---|---|
| Trade Name | Lexa |
| Type | MN-111 |
| Chamber Capacity | 28 L (7.4 gal) |
| Power Supply | 200–240 VAC, 50/60 Hz, 10 A, Single Phase |
| Overall Dimensions | 19.3" W × 17.8" H × 24.3" D |
| Weight | 105.8 lbs (48 kg) |
| Main / Used Water Tanks | 1.7 / 1.8 gal (6.4 / 6.7 L) |
| Connectivity | 5 USB Ports, 1 Ethernet Port |
| Automatic Water Filling | Optional |
| Automatic Draining | Standard |
| Cycle | Temperature | Holding Time | Total Cycle* |
|---|---|---|---|
| Unwrapped | 270°F (132°C) | 4 min | 26–39 min |
| Wrapped Medium Load | 270°F (132°C) | 4 min | 43–53 min |
| Wrapped Large Load | 270°F (132°C) | 4 min | 48–58 min |
| Wrapped X-Large Load | 270°F (132°C) | 4 min | 58–71 min |
| Low Temperature | 250°F (121°C) | 30 min | 73–79 min |
*Cycle times are approximate and may vary depending on voltage and instrument loads.
- W&H Lexa Sterilizer
- Reversible Rack
- Four (4) Aluminum Trays
- Tray Holder
- Drain Tube
- USB Drive
- Door Opening Tool
- Factory Test Documentation

