UNIPOWER DPB2U Series 2U DC Breaker Panels
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The UNIPOWER DPB2U Series 2u dc breaker panels provide distribution and overload protection for up to 18 DC circuits.
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The UNIPOWER DPB2U Series 2u dc breaker panels provide distribution and overload protection for up to 18 DC circuits. They distribute up to 300 amperes of load current for each A or B bus, with each bus having up to 9 circuit breakers. Alpine Power Systems is an approved distributor of UNIPOWER products. The UNIPOWER DPB2U has a three year warranty.
Each bus on these 2U dc breaker panels can be independently configured for 12, 24 or 48 volts positive or negative grounds.
Magnetic circuit breaker capacities are from 1 to 100 amperes. The breakers can be removed and replaced from the front of the unit by disconnecting on the back and removing the front panel cover. Optional breaker alarms have dual-color LEDs (green/red) and Form C relay contacts.The input bus terminations are to copper bus bars.
The 2U dc breaker panels can be ordered for mounting in either a 19- or 23-inch relay rack. They are flush mounted to the rack.
UNIPOWER DPB2U Features & Options:
Two Rack Units High: 3.50”
Field Changeable Breakers
Field Replaceable Alarm Board
19- or 23-Inch Rack Mounting
Magnetic Circuit Breakers
Dual, Independent A/B Buses
Optional A/B Return Bus Bars
Fully Independent A/B Alarms
1 to 9 Breakers per Bus
1A to 100A per Breaker
300A per Bus, 600A Total
Voltage: 12, 24 or 48VDC
Positive or Negative Ground
LED and Form C Relay Alarm Option
-200 to +700C Operating Temperature
UNIPOWER DPB2U Series Specifications:
Input / Output:
Panel Capacity: 300A Per Bus, 600A Total
Configuration: Dual A/B Bus, 1 to 9 Breakers Each
Breaker Capacity: 1A to 100A
Voltage:
48V Nominal: 42-60VDC
24V Nominal: 21-30VDC
12V Nominal: 10.5-15VDC
Polarity: Positive or Negative Ground
Alarms:
Alarm Indicator: Dual-color LED Per Bus
LED Status Indication:
Green = Normal
Red = Alarm
Off = No Power
Alarm Connections: One Form C Relay Contact Per Bus
Safety Standards:
Certifications: UL69950-1 2nd Ed.,CAS22.2 No.950-1 2nd Ed., EN60950-1 2nd Ed.
Environmental:
Operating Temp. Range: -20°C to +70°C
Storage Temp. Range: -40°C to + 85°C
Humidity: 0% to 95%, Non-Condensing
Physical:
Case Material: Steel
Finish: Powder Coat Black
Dimensions, Inches (mm):
19" - 3.50 (88.9) H x 19.00 (483) W x 10.19 (259)
23" - 3.50 (88.9) H x 23.00 (584) W x 10.19 (259)
Weight: 9.55 lbs. (4.33kg.)
Rack Mounting Width: 19 or 23 Inches
UNIPOWER DPB2U Series Standard Models:
DPB2U-AB-19:
Mounting: 19”
Input Feeds: 2
Max. No. Breakers: 9 Each Bus
Amps Per Each Bus: 300
Total Amps: 600
DPB2U-AB-23:
Mounting: 23”
Input Feeds: 2
Max. No. Breakers: 9 Each Bus
Amps Per Each Bus: 300
Total Amps: 600
Note: ‘x’ denotes the operating voltage where 1=48V, 4=24V and 6=12V. ‘y’ denotes between one and six breakers which must be specified as part of the final model number. See ordering guide on datasheet to specify a full model number.
Alpine Power Systems is a value-added reseller of UNIPOWER products. Alpine can provide DC Power System services on all UNIPOWER products including engineering, installation, preventative maintenance, monitoring and recycling. Alpine provides services for data centers, telecom, healthcare, oil & gas and many other applications. Call our inside sales group at 877-993-8855 for assistance.
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