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Accessories:
Redundancy Buffer Module
UPS Battery Module


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Accessories:

Redundancy Buffer Module

PS-RDN20 is a 20A redundancy (decoupling) module for the 24V DC power system. Containing 2
sets of 20A Or-ing diodes with wonderful heat dissipation deployment, PS-RDN20 give you a new
option for safe connection of 1+1 redundant set-up. Not only perfectly decouple power sources
from each other as well as from the load, PS-RDN20 also provides users monitoring signals for
both input channels through the built-in relays. Since there’s no switching components inside
the module, PS-RDN20 will not arise additional EMI issues and should provide you a worry-free
application platform!

  • DC input voltage range 21~28V, 20A max. x 2 channels
  • Reverse voltage 30V
  • DC output current 20A max.
  • DC output voltage drop 0.5V max.
  • Input voltage alarm When input is > 20V(±5%) or <30V(±5%), relay contacts
  • Relay contact rating 30VDC, 1A
  • Working Temperature -20~+70°C
  • EMC standards EN55022 class B, EN61000-4-2,3,4,5,6,8, ENV50204
  • Connection I/P: 4 poles, O/P: 2 poles screw DIN terminal,
  • Single output: 4 poles

UPS Battery Module

PS-UPS40 is a 40A max. DC UPS (battery control) module for the 24 V DC power system. Accompany
with external batteries, it can back-up up to 40A of current to critical loads for certain period of time
depending on the capacity of batteries. With complete monitoring signals and LED indicators for DC
BUS OK, Battery Fail, Battery Discharge and the repeated Battery Test function to check the situation of
external batteries. Users can customize their own DC UPS system to back up critical loads and capture
the status of the whole system easily.

  • DC input / DC bus 24~29V, 40A max.
  • Battery inout voltage 21~29V
  • Battery input current 0~40A
  • Charge current (typ.) 2A
  • External battery (typ.) 24V, 4AH / 7AH / 12AH
  • DC bus ok Relay status: Short when DC voltage between 21~29V(±3%), relay contacts
  • Battery fail Relay status: Short when battery failure is observed through the battery test function, relay contacts
  • LED (red): Battery over-discharge warning or battery broken: light; battery OK: dark
  • Battery discharge Relay status: Short when battery in discharge condition, relay contacts
  • LED (yellow): Battery discharging: light; battery is not discharging or discharging current <2A: dark
  • Working temperature -20~+70°C
  • EMC standards EN55022 class B, EN61000-4-2,3,4,5,6,8, ENV50204
  • Connection I/P: 2 poles, O/P: 2 poles screw DIN terminal, Single output: 6 poles
 

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For more information contact Altech at:
908-806-9400 • 908-806-9490 (FAX) • info@altechcorp.com • 35 Royal Road, Flemington, NJ 08822