ARP SERIES

2019-05-23
The ARP Series is used in systems where equal run time for

two motors is desirable. The selector switch allows selection

of alternation or for continuous operation of either load. LED’s

indicate the status of the output relay. This versatile series may

be front panel mounted (BZ1 accessory required) or 35 mm DIN

rail mounted with an accessory socket.

Operation

Alternating: When the rotary switch is in the “alternate”

position, alternating operation of Load A and Load B occurs upon

the opening of the control switch S1. To terminate alternating

operation and cause only the selected load to operate, rotate

the switch to position “A” to lock Load A or position “B” to lock

Load B. The LEDs indicate the status of the internal relay and

which load is selected to operate.

Note: Input voltage must be applied at all times for proper

alternation. The use of a solid-state control switch for S1 may

not initiate alternation correctly. S1 voltage must be from

the same supply as the unit’s input voltage (see connection

diagrams). Loss of input voltage resets the unit; Load A

becomes the lead load for the next operation.

Duplexing (Cross Wired): Duplexing models operate the same

as alternating relays and when both the Control (S1) and Lag

Load (S2) Switches are closed, Load A and Load B energize

simultaneously.

The DPDT 8-pin, cross-wired option, allows extra system load

capacity through simultaneous operation of both motors when

needed. Relay contacts are not isolated.

Littelfuse

ARPC103PMPSC8PSC11NDS-11NDS-8BZ1AR120A-3095ARP23SARP41ARP41SARP42SARP43ARP43SARP61SARP62SARP63S

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Part#

DIN RailHold-down Clips11-pin SocketOctal 8-pin SocketFront Panel Mount KitProtection RelaysAlternating Relays

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Datasheet

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CE 、 CSA 、 UR

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Please see the document for details

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English Chinese Chinese and English Japanese

2016/11/23

Rev: 1-A-062116

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