Pump & Level Controls


Pump level controls are often employed within municipal water, wastewater and sewage treatment plants, to ensure smooth-running processes and carefully monitored current loads. Marsh Bellofram offers a rugged series of duplexers, triplexers and quadraplexers, designed to ensure equal run time of loads on industrial pumps, motors and related equipment, extending the useful service life of this infrastructure and reducing maintenance requirements.


ARA Series Triplexer Quadraplexer Alternating Relays

ARA Series Triplexer Quadraplexer Alternating Relays

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 […]

ARA, ARB Series Duplexer Alternating Relays

ARA, ARB Series Duplexer Alternating Relays

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 […]

ARA Series Expandable Alternating Relays

ARA Series Expandable Alternating Relays

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 […]

ARA-120-AHE Special Function Triplexer Alternating Relay

ARA-120-AHE Special Function Triplexer Alternating Relay

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 […]

ARA-120-AJE Alternating Relay with Sequence Locking Switch

ARA-120-AJE Alternating Relay with Sequence Locking Switch

The ARA-120-AJE Alternating Relay with Sequence Locking Switch is a special function triplexer alternating relays are designed three-load installations. 

ARM Series Integrated Duplex Controller

ARM Series Integrated Duplex Controller

The ARM Series Integrated Duplex Controller with Intrinsically Safe Inputs from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability alternating relays and duplex controllers, designed to ensure equal runtime of multiple load installations in […]

ARM Series Alternating Triplex Quadraplex Controllers

ARM Series Alternating Triplex Quadraplex Controllers

ARM Series Alternating Triplex Quadraplex Controllers from the ATC Diversified Electronics division of Marsh Bellofram is a family of rugged, high-reliability alternating relays and triplex and quadraplex controllers, designed to ensure equal runtime of multiple load installations in pump sequencing, […]

ISO Series Single Channel Isolated Switch

ISO Series Single Channel Isolated Switch

The ISO Series Single Channel Isolated Switch from the ATC Diversified Electronics Division of Marsh Bellofram is a family of single- channel devices used to provide a safe and reliable means of controlling loads from hazardous locations without releasing sufficient […]

ISO ISL Series Multiple Channel Isolated Switches

ISO ISL Series Multiple Channel Isolated Switches

ISO ISL Series Multiple Channel Isolated Switches from the ATC Diversified Electronics Division of Marsh Bellofram are a family of multi- channel devices used to provide a safe and reliable means of controlling loads from hazardous locations without releasing sufficient […]

ARC ARD Series 8-pin Plug-in Pump Duplexor

ARC ARD Series 8-pin Plug-in Pump Duplexor

The ARC ARD Series 8-pin Plug-in Pump Duplexor from ATC Diversified Electronics is an 8-pin plug-in duplexor featuring sequence on simultaneous off (SOSO) three-input functionality.  The duplexor is designed to detect float switch inputs, from which it determines the necessary […]

LPC Series Liquid Level Pump Controller

LPC Series Liquid Level Pump Controller

The ATC Diversified LPC Series Liquid Level Pump Controller is a conductive liquid level controller that uses two probes to sense tank level. There are two modes of operation that are user selectable: Drain (Pump Down): The output relay of […]