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Wraparound Maintenance Bypass Switch | 40A | 8kVA Power Rating | Single-Phase Input by Eaton
The Wraparound Maintenance Bypass Switch offers a 40A maximum current and 8kVA power rating—ideal for uninterrupted power supply systems. Built for industrial and commercial applications, it enables maintenance without power shutdown, ensuring efficient power management.
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Product Name/Title: Wraparound Maintenance Bypass Switch | 40A | 8kVA Power Rating | Single-Phase Input by Eaton
Brand: Eaton
SKU: MBS11NSB40BW
Alternatively Known As: Maintenance Bypass Switch, UPS Bypass Enclosure, Single Phase Bypass Switch, Eaton Bypass Enclosure
Technical Specifications
- 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
- Phase (input): Single-phase
- Phase (output): Single-phase
- Number of outputs hardwired: 1
- Feed type: 1
- Transfer time: 0 ms
- Auto shutdown function: No
- Color: Black
- Altitude operating range: 0-1500m (0° to 40°C), 1500-3000m (0° to 35°C)
- Dimensions (H x L x W): 492mm x 197mm x 284mm
- Weight: 10 kg
Key Features
- Single-phase input and output
- 40A maximum electric current
- 8kVA power rating
- Hardwired/fixed input connection
- Voltage-free relay interlock communication
- Potential free switch contact included
- Zero transfer time (0 ms)
- Free standing model construction
Professional Installation Requirements
- Professional installation by a qualified electrician is required to ensure compliance with electrical standards and safety.
Applications
- Used with Eaton UPS models 9155, 91PS, 9SX
- Maintenance bypass for uninterrupted power supply systems
- Industrial and commercial electrical installations requiring bypass functionality
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enables maintenance without power shutdown, reducing downtime and energy waste
- Supports efficient power management in critical electrical systems
Warranty Information
1 Year standard factory warranty.
Available Now
The Eaton Wraparound MBS Single Phase 40A 8kVA Maintenance Bypass Enclosure is available now for immediate purchase. Ideal for industrial and commercial UPS maintenance applications.
