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Battery Back Up Switch

MS-928
Feature
Models
MS-928 MSE-9140
11-15VDC, 25A 11-15VDC, 40A

Ease to hook up connection box
LED indicators showing battery power or primary power to output
Suitable for wide range of 12VDC system
Screw-On DC output terminals
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Two DC inputs and one DC output, the primary DC input is from power supply which normally powers the load at the output terminal of the battery exchanger. The other DC input connected to a battery and is float charged by the primary DC input.
When the primary DC input is cut off due to mains power black out or otherwise, the Battery Exchanger will direct DC power from battery to the DC output automatically.
The Battery Exchanger will direct power back to the DC output from the primary input when power mains power returns.

Typical Applications

  • Telecommunication radios with backup lead acid battery.
  • Monitoring system with backup lead acid battery.
  • Any 12VDC system where the primary power supply is subjective to electrical outages.

Specification
13.8V
Input Voltage Range 11-15VDC
Output Load Current (Continuous) 25A
Voltage drop between DC load and 13.8VDC input/ 12VDC battery ≤0.8V@25A
Float Charging Profiles
Max. float charging voltage available to battery @ various primary input voltage 12.5VDC@13.3VDC Input
13.0VDC@13.8VDC Input
14.2VDC@15.0VDC Input
Maximum Charging Current 0.6A
Dimension (WxHxD) 68x72x100 mm
Weight 240g
Document
MS-928, MSE-9140 catalogue
Rev 2.0
English
01/08/2018
Battery backup switch exchanger
MS-928, MSE-9140 user manual
Rev 2.0
English
01/08/2018
Battery backup switch user manual
Video
Language

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