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Tail End Maintenance Bypass Enclosure | 125A | 60kVA or 80kVA | Bottom Entry by Eaton

BRAND: Eaton
SKU: MBS33TE125BW
$4,721.90 List price: $5,884.20
+
Tail end maintenance bypass enclosure with 125A capacity and 60kVA or 80kVA options—ideal for industrial and commercial power management. Built for reliable three-phase bypass solutions, featuring zero transfer time and hardwired input connection.

Product Name/Title: Tail End Maintenance Bypass Enclosure | 125A | 60kVA or 80kVA | Bottom Entry by Eaton

Brand: Eaton

SKU: MBS33TE125BW

Alternatively Known As: Eaton Maintenance Bypass Enclosure Tail End, Eaton MBS 3 Phase Bypass, Eaton UPS Bypass Enclosure

Technical Specifications
  • Product Name: Eaton Hotswap MBP Maintenance Bypass Enclosure Tail-end
  • 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: 125A
  • Phase (input): Three-phase
  • Phase (output): Three-phase
  • Transfer time: 0 ms
  • Communication: Voltage-free relay interlock
  • Potential free switch contact: Yes
  • Altitude rating: 0-1500m (0° to 40°C), 1500-3000m (0° to 35°C)
  • Construction type: Free standing model
  • Input connection: Hardwired/fixed connection
  • Dimensions (H x L x W): 492mm x 312mm x 448mm
  • Weight: 25 kg
Key Features
  • Free standing model with bottom entry
  • Hardwired/fixed input connection
  • Voltage-free relay interlock communication
  • Potential free switch contact included
  • Zero transfer time (0 ms)
  • Supports three-phase input and output
  • Input and output nominal voltage 230V (range 192-264 V)
  • Nominal frequency 50-60 Hz
  • Max electric current 125A
  • Suitable for altitudes 0-1500m at 0° to 40°C and 1500-3000m at 0° to 35°C
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 requiring maintenance bypass
  • Electrical installations needing reliable three-phase bypass solutions
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enables efficient maintenance bypass to reduce downtime and energy waste
  • Supports reliable power management to optimize energy use in electrical systems
Warranty Information

1 Year standard factory warranty.

Available Now

The Eaton Tail End MBS 3Ph/3Ph 125A Bottom Entry Maintenance Bypass Enclosure is available now for immediate purchase. Ideal for industrial and commercial UPS maintenance bypass applications.

Product specifications (skuPage.MBS33TE125BW.pdf, 49 Kb) [Download]