Automatic UPS bypass switch, redundancy module, ARm-1000, 230V/230vac, 10A

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Automatic Redundancy Module enables redundant ac power auto-transfer or is a UPS bypass switch
	Click here for complete specifications in a printer friendly Adobe Acrobat PDF format	ARm-1000E 230V ac, 10 amperes

TSi Power’s ARm-1000E redundancy module ~ automatic bypass system is recommended when no downtime from power outage is tolerated. Internet service providers, critical servers and telecom equipment, and export markets with bad power would find this technology valuable. The ARm Series permits daisy chaining with synchronous sinewave power sources or UPS.

One major caveat to consider though: Both inputs MUST ALWAYS be in phase. This usually is not the case, so these units are used more for manual UPS bypass switches. For an automatic transfer switch where both power sources can be asynchronous, or out of phase, see the ATs Series.

Typical ARm Series applications
Designed for situations where reliability and predictability matter to the enterprise.
Examples: telecommunications equipment, export markets, file servers, routers, digital copiers, office machines, industrial controllers (PLC), automatic test equipment (ATE), laboratory analyzers and other sensitive, specialized microprocessor-based equipment.

Key automatic redundancy module benefits
The ARm will provide uninterrupted ac to your load even in the event of UPS failure. ARms your critical equipment against extended power outages and catastrophic system shutdowns caused by accidental circuit breaker trips, UPS overload conditions, weak or old UPS batteries, routine and preventive maintenance of UPS, accidental UPS shut down, loose power cords, or UPS failure. ARm-1000E permits unlimited redundancy using any combination of independent (separate) 230V ac circuits, UPS systems, generator-backed ac circuits, etc.

How ARm automatic transfer switches work
The ARm is fed by two ac power sources. When the primary power source detector circuit senses a loss of power on that circuit, a relay immediately switches the load over to the backup power source feed in less than 10 ms. This is fast enough to be invisible to computer switch-mode power supplies.

Key features of the TSi Power automatic redundancy module

	Enables redundant UPS, backup generators or other ac power sources to be used for a single load.
	LED status indicators

	Less than a 10ms transfer time from source A to source B.
	Low cost
	DB9 communications interface
	Audible alarms with enable/disable switch

	SPECIFICATIONS	ARm-1000E
	Electrical
	Capacity in VA (watts)	2300 VA (2300 watts)
	Switching technology	Fast operating / releasing relays
	Input
	Nominal voltage	230 volts ac, single phase
	Primary voltage	190 to 260 volts ac
	Backup voltage	190 to 260 volts ac
	Frequency range	50Hz +/-5%
	Over-current protection	Both primary and backup are protected by fuses
	Fuse rating	10 amperes
	Typical transfer time	Less than 10ms, primary to back-up and back-up to primary
	Input/output wire size	14 AWG recommended
	Ac inputs	6 ft. (1.8m) three-conductor 14 AWG SJT cord w/ IEC 320 plugs
	Output
	Nominal voltage	230 volts ac, single phase
	Load regulation	Better than 2% from no load to full load.
	Power efficiency	98% or higher
	Ac receptacles	Four IEC 320 output receptacles
	Indicators	Green LED for primary ac presence, Yellow LED for backup ac presence, flashing Red LED for loss of primary or backup ac.
	Audible alarms	Buzzer beeps when loss of primary or backup ac occurs.
	Audible alarm switch	Audible alarm (buzzer) and alarm enable/disable switch.
	Alarms contacts interface	A rear-mounted DB-9 connector sends loss of primary ac and loss of backup ac. (pins 1 & 5 are used).
	Physical
	Dimensions	254mmW x 203mmD x 76mmH (10"wide x 8"deep x 3.2"high)
	Weight	2.7 kg (6 lbs)
	Rack mount option	Front mount kit: for a 19" rack: use # MK-5019A
	Safety
	In phase requirement	Primary and back-up ac must always be in phase.
	Environmental
	Ambient temperature	0° to +40°C, 90% relative humidity (non-condensing).
	Warranty
	Warranty	2 year limited warranty, parts and labor.

TSi's ongoing product improvement process makes specifications subject to change. Other companies product names herein are for identification purposes only, and may be trademarks of their respective companies.

ARm Series 230V system architecture

TSi Power also manufactures custom automatic transfer switches.
For special applications, please call.

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