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Maintenance Bypass Switch 8-20kVA | 3-Phase Input | Bottom Entry & Zero Transfer Time | Black by Eaton
The Maintenance Bypass Switch offers 8-20kVA capacity with 3-phase input and bottom entry design—ideal for uninterrupted power supply systems. Built for industrial and commercial applications, it features a zero transfer time for seamless operation and enhanced maintenance capabilities.
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Product Name/Title: Maintenance Bypass Switch 8-20kVA | 3-Phase Input | Bottom Entry & Zero Transfer Time | Black by Eaton
Brand: Eaton
SKU: MBS33SB40BW
Alternatively Known As: Maintenance Bypass Switch, UPS Bypass Enclosure, Three-Phase Bypass Switch, Eaton MBP Bypass Enclosure
Technical Specifications
- Product Name: Eaton Hotswap MBP Maintenance Bypass Enclosure Wraparound Dual Input
- Input nominal voltage: 230V default (220/230/240V)
- Input voltage range: 192-264 V
- Output nominal voltage: 230V default (220/230/240V)
- Output voltage range: 192-264 V
- Nominal frequency: 50-60 Hz
- Input frequency range: 50Hz-60Hz
- Output frequency: 50-60 Hz
- Electric current - max: 40A
- Feed type: 2
- Transfer time: 0 ms
- Phase (input): Three-phase
- Phase (output): Three-phase
- Communication: Voltage-free relay interlock
- Potential free switch contact: Yes
- Altitude operating range: 0-1500m (0° to 40°C), 1500-3000m (0° to 35°C)
- Construction type: Free standing model
- Color: Black
- Dimensions (H x L x W): 492mm x 272mm x 368mm
- Weight: 15 kg
Key Features
- Free standing model with bottom entry
- Separate bypass input for enhanced maintenance
- Hardwired/fixed input connection
- Voltage-free relay interlock communication
- Potential free switch contact included
- Zero transfer time (0 ms) for seamless switching
- Supports three-phase input and output
- Input voltage range 192-264 V, nominal 230V
- Output voltage range 192-264 V, nominal 230V
- Max electric current 40A
- Operates at 50-60 Hz frequency
Professional Installation Requirements
- Professional installation by a qualified electrician is required to ensure compliance with electrical standards and safe operation.
Applications
- Used with Eaton UPS models 93PS, 93E, 93PR, 93PM
- Industrial and commercial power management systems
- Maintenance bypass for uninterrupted power supply systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enables maintenance without power interruption, reducing downtime and energy waste
- Supports efficient power management in critical systems
Warranty Information
1 Year standard factory warranty.
Available Now
The Eaton MBS 3Ph/3Ph 8-20kVA Maintenance Bypass Enclosure is available now for immediate purchase. Ideal for industrial and commercial UPS maintenance applications.
