Calidad 2U Bulk Output Power Shelf

Model # Calidad-2U

Product Description

The Calidad 2U is a 19” rack mountable integrated power system, which provides up to 166 amps at -54VDC with the RM-48-3K or 111 amps with RM-48-2K 96% efficient rectifiers. The distribution section provides the ability to terminate 2 battery strings each with its own battery disconnect and circuit breaker. Ten load breaker positions are provided and are configured in two groups of 5.

Control and alarm reporting is handled by the RM-48-KA which includes a display and keypad for direct on site access of key data. Set up of all key parameters can be done locally using the SNMP or via the web interface.

Compatible Products

The Calidad 2U is a modular power shelf that is designed for use with the following Eagle Eye rectifier modules:

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Technical Specs

Input Voltage:1P3W 240VAC (Nominal 176 - 264V AC)
Output Voltage:DEFAULT -54.0VDC (-42 to 58 VDC adjustable)
Output Current:6KWatt Max (2KW 3 modules)
9KWatt Max (3KW 3 modules)
Operating Temperature:-40 – 75°C, Derating above 55°C: 2KWbr
(-40 – 167ºF, Derating above 131ºF: 2KW)
-40 – 75°C Derating above 45°C: 3KWbr
(-40 – 167ºF, Derating above 113°F: 3KW)
Storage Temperature:-40 – 80°C (-40 – 176ºF)
Humidity:Operating: 0 – 90% (Non-Condensing)
Storage: 0 – 90% (Non-Condensing)
Cooling:Fan cooling
Altitude2000 m (6566 ft)
Size (WxDxH):482 x 500 x 88.8 mm
(18.98 x 19.69 x 3.5 in)
Standards & ApprovalsUL/cUL: 60950-1
EMI: FCC Part 15b/ICES 003
Communication Interface:Ethernet (SNMP and Web-Server), Dry Contact


What are some common applications for the Calidad 2U?

  • Telecom
  • Network
  • Broadband
  • Utilities


  • Hot pluggable
  • Controlled, measured and reported by RS232, TCP/IP, SNMP V3
  • Modular design for accommodating high power applications
  • 19 inch rack mount type
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  • Model #

    2U 48VDC Shelf with Breaker Output

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