Controllers

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  • ARA Expandable

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    ARA series expandable alternating relays from the ATC Diversified Electronics Division of Marsh Bellofram are designed for use in multiple load installations that are required to alternate in sequence and have the ability to accept an additional load installation in the future.
    Data Sheet
  • ARA Triplexer Quadraplexer

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    ARA Series Triplexer Quadraplexer Alternating Relays from the ATC Diversified Electronics Division of Marsh Bellofram are designed for use in multiple load installations that are required to alternate in sequence while assuring equal run time on all loads. They also allow for additional loads to run in the event of excess load requirements, with the option of automatic or external clocking alterations. When the factory installed jumper is in place, the alternating action is initiated by a control switch, which is common to one side of the control voltage. When the jumper is removed, alternating action is initiated by an isolated normally open switch.
    Data Sheet
  • ARA-120-AHE Special Function Triplexer

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    The ARA-120-AHE special function triplexer alternating relay from the ATC Diversified Electronics Division of Marsh Bellofram are designed for use in three-load installations. This model has a field selection switch that is used to omit one of the three loads for general or emergency maintenance while depleting the remaining two loads.
    Data Sheet
  • ARA-120-AJE

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    The ARA-120-AJE Alternating Relay with Sequence Locking Switch is a special function triplexer alternating relays are designed three-load installations.  This unit has a field selection switch that is used to lock the alternating relay into a desired sequence. The model ARA-120-AJE Alternating Relay with Sequence Locking Switch has the option of automatically alternating on each load cycle or by external clocking, while allowing for additional loads to run in the event of excess load requirements.
    Data Sheet
  • ARA, ARB Duplexer

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    ARA, ARB Series Duplexer Alternating Relays from the ATC Diversified Electronics Division of Marsh Bellofram are used in control panel applications where two loads are required to alternate in order to provide equal run time. The alternating action is initiated by a control switch, which is common to one side of the control voltage. The output contacts will change states each time the control switch is opened, thus alternating the two loads. The LED indicators show the position of the output relay. The ARA series is the standard duplexer, providing automatic alternating sequence. The ARB series has the automatic sequencing feature plus the option of locking into a single sequence. A three position switch permits the field selection of normal duplexing action, locking in the A-B sequence, or B-A sequence, as required.
    Data Sheet
  • Warrick 16 Liquid Level Controller

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    Gems® type 16 open circuit board controls are engineered for general purpose single-level or differential applications. They feature spade terminals for easy wiring and provide sensitivities up to 1 million ohm/cm. The 16D has the same features and specifications as the 16, but also has DPDT load contacts to eliminate the need for slave relays. Common applications include single-level service, point level, valve control, low-water cutoff, differential service, alarms, and pump control.

    Data Sheet
  • Warrick 17 Liquid Level Controller

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    Gems® type 16 open circuit board controls are engineered for general purpose single-level or differential applications. They feature spade terminals for easy wiring and provide sensitivities up to 1 million ohm/cm. The 16D has the same features and specifications as the 16, but also has DPDT load contacts to eliminate the need for slave relays. Common applications include single-level service, point level, valve control, low-water cutoff, differential service, alarms, and pump control.

    Data Sheet
  • Warrick 18 Liquid Level Controller

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    Gems® type 16 open circuit board controls are engineered for general purpose single-level or differential applications. They feature spade terminals for easy wiring and provide sensitivities up to 1 million ohm/cm. The 16D has the same features and specifications as the 16, but also has DPDT load contacts to eliminate the need for slave relays. Common applications include single-level service, point level, valve control, low-water cutoff, differential service, alarms, and pump control.

    Data Sheet
  • Warrick 19 Liquid Level Controller

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    Gems® type 16 open circuit board controls are engineered for general purpose single-level or differential applications. They feature spade terminals for easy wiring and provide sensitivities up to 1 million ohm/cm. The 16D has the same features and specifications as the 16, but also has DPDT load contacts to eliminate the need for slave relays. Common applications include single-level service, point level, valve control, low-water cutoff, differential service, alarms, and pump control.

    Data Sheet
  • Warrick 20 Liquid Level Controller

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    Gems® type 16 open circuit board controls are engineered for general purpose single-level or differential applications. They feature spade terminals for easy wiring and provide sensitivities up to 1 million ohm/cm. The 16D has the same features and specifications as the 16, but also has DPDT load contacts to eliminate the need for slave relays. Common applications include single-level service, point level, valve control, low-water cutoff, differential service, alarms, and pump control.

    Data Sheet