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Battery Backup for Series 70 Actuator

 
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Features
  • Factory installed and wired
  • Battery Strength Indication
  • Field selectable Normally Open or Normally Closed
  • Nema 4x (IP 65) enclosure
Benefits
  • Reduces field installation cost
  • Provides visual and electronic indication of low battery state
  • Application Flexibility
  • Suitable for outdoor use, subject to ambient temperature limits
The Battery Backup (BBU) option for the Bray Series 70 24VAC actuators provides a convenient and cost effective solution to provide return of the valve or damper to a user-selectable position upon loss of supply power. The BBU is available for both On/Off and modulating actuators.

The advanced circuitry of the BBU continuously monitors battery strength and provides a visual indication (LED) and remote indication (via dry contact). The BBU is housed in sturdy die cast aluminum NEMA 4x (IP 65) enclosure and is factory mounted and factory wired to the Bray Series 70 24 VAC actuator.

Operation
In the normal mode of operation with power supplied to the actuator, the batteries maintain a charge and are in an offline mode. The power applied to the motor is from the power supply, not the batteries.

Upon loss of supply power, after a 10 second startup sequence, the BBU circuitry applies the stored power in the batteries to move the valve or damper to the full open or full closed position designated by the user. The actuator remains in this position until external power is restored to the unit.

For two position (on/off units), and modulating units, the BBU board automatically detects when the actuator has reached the desired position and then disconnects the battery power from the motor.




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Item #

Torque

Features

Power Requirements

Operating Temperature Limits

Battery Charging Temperature Limits

Storage Temperature Limits
70-24-0061SV-BBU 600 lb·in Auxiliary Switches
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
70-24-0061SVH-BBU 600 lb·in Auxiliary Switches
Heater
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
70-24-0201SV-BBU 2000 lb·in Auxiliary Switches
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
70-24-0201SVH-BBU 2000 lb·in Auxiliary Switches
Heater
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
70-24-0501SV-BBU 5000 lb·in Auxiliary Switches
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
70-24-0501SVH-BBU 5000 lb·in Auxiliary Switches
Heater
Modulating
On/Off 		24 to 27 VAC -4 to 122 ºF
-20 to 50 ºC 		-4 to 122 ºF
-20 to 50 ºC 		-40 to 140 ºF
-40 to 60 ºC
  Results 1 - 6 of 6 1 
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