EIA 19" 33kW BBU Shelf
CBR-3332-1S1

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CBR-3332-1S1

Provide an efficient backup solution for power peaks and utility outages

33kW rated backup power @90 sec
6 x 5.5kW BBU modules:
1. 5+1 redundancy/ hot swappable
2. Peak load support:
  ≤136% (based on 5.5KW), ≤50ms moving average,
  ≤160% (based on 5.5KW), ≤400us moving average,
  ≤100% (based on 5.5KW), ≥1s moving average.
  *Within regulation and fulfill the 5.5KW 90s discharge duration.
Instant backup on AC loss ≤2 ms transition
AC-Loss synchronization with PSU shelves
Multiple shelf support (Shelf to Shelf)
BBU Shelf ↔ BBU Shelf
BBU Shelf ↔ Power Shelf
Integrated monitoring (PMC) & MODBUS/CANBUS support

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BASIC SPECIFICATIONS
2RU Height, 19” Width 6 x BBU 1 x PMC Parallel Shelves: up to 4
Dimensions	2RU/782.5 x 448 x 86.5mm (D x W x H)

INPUT
Voltage	50Vdc
Input Current	42A(Max)

OUTPUT
Output Voltage	50Vdc
Output Current	678A Max (6+0)

BACK-UP TIME
BBU (6+0)	33kW (6+0) → 90s 27.5kW (5+0) → 90s
Efficiency	Charger: > 95% Discharger: Up to 97%

ENVIRONMENTAL
Temperature	Operating: 0°C to 40°C
Altitude	Operating: 0 to 3,000m (10,000 feet)
Relative Humidity	Operating and Storage: 10% to 90% RH, non-condensing

CERTIFICATIONS
UL, CE, CB

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