Accessories Manual

All information herein is proprietary, condential, and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Electric Actuator & Accessories
Specs : 9
CONSTRUCTION AND PERFORMANCE:
Housing:
• WeatherProofEnclosure(covermustnotbeleftoffwhen
exposedtotheweatherordamagewilloccurtotheunit)
Batteries:
• Two12V1.4AHSealedLeadAcidBatterieswiredin
series
Battery Monitoring: Local LED Indicator and (2) wire
voltage free normally open contact for remote monitoring
Battery Charging: Automatic Smart Charger
Battery Conservation: Shut-off batteries after 1 minute or
when actuator stops.
Operating Temperature: -4ºF (-20ºC) to 122ºF (50ºC) LED
light may not function below -20 ºF
Power Protection: Two 5 amp fuses. One is for the external
power output circuit and the other for the battery output circuit
Current Draw @ 24 VAC:
• BBUonlyMaximum10mAstandby(0.25VA)
• Max.420mAcharging(10VA)
Current Draw of Actuator with BBU:
• 600lb-in-1.9A(withLoad)
• 2,000lb-in-2.7A(withLoad)
• 5,000lb-in-4.1A(withLoad)
Power Requirements: 24-27VAC or 30-38VDC (the
minimum voltage is required to provide proper battery
charging)
Power Output:
• BBUOutputwith24VACsupplyis30-38VDC
• OnfailureofACsupply,batteryoutputis24-25.5VDC
Although charging will not work at -4°F, the batteries will still
hold their charge for an extended period of time as described
under shelf life.
Battery Specications
Two 12 volt 1.4 ampere-hour (AH) Rechargeable Sealed Lead
Acid Battery wired in series
Features
• Valveregulated,spillproofconstructionallowssafe
operationinanyposition
• RuggedimpactresistantABScaseandcover(UL94-HB)
• U.L.RecognizedunderlenumberMH20845
Specifications
• BatteryCase:ABSPlastic
• MaximumDischargeCurrent(7minutes):
4.2amperes
• ShelfLife(%ofnominalcapacityat68ºF(20ºC))
1 month = 97%
3 months = 91%
6 months = 83%
Operating Temperature Range
Charge: -4ºF (-20ºC) to 122ºF (50ºC)
Discharge: -40ºF (-40ºC) to 140ºF (60ºC)
The BBU should be powered up for a minimum of 12 hours to
ensure batteries are fully charged.
See “Bray Serious 70 BBU Operation and Maintenance
Manual for detailed information.
Fail Open or Close Battery Backup Unit (BBU) Specifications