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Battery Backup Unit

R-BBU

UL 508A compliant

A 24VDC battery backup power unit for holding brake to the failsafe fire door operator or release device during AC power failed

LEDs indicate the power status on the unit

Audible warning and LED indicator for easy maintenance to battery

Output Power:

• Output Voltage: 24VDC

• 
Output Current: 1A



Input Power:

• Input Voltage: 100~240VAC

• Input Frequency: 50/60Hz

• 
Input Current: 1.7A



Battery Capacity: 12VDC, 5Ah x 2



Standby Hours:

• 1/3 & 1/2HP Failsafe Fire Operator: up to 7 hours

• 3/4 & 1-1/2HP Failsafe Fire Operator: up to 3.3 hours

• 
Fire Release Device: up to 12 hours



Warning Output Signals (Dry Contact):

• Input AC power fault

• Low battery