Macromatic Controls manufactures and sells control & monitoring products for a variety of industrial & commercial applications. We also offer custom-designed products, ranging from a simple modification of a standard product to a unique design for a specific application. To learn more about any one of our products, select the appropriate product below, or click on the product type in the following descriptions. If you cannot find a product to fit your requirements, Macromatic's application engineers offer assistance with technical information and product selection. Just call us at 800-238-7474 or e-mail .

Phase Monitor Relays: Also known as 3 Phase Monitors, Phase Loss Relays, Protective Relays or Phase Failure Relays, these products provide motor protection against premature equipment failure caused by voltage faults on 3-Phase systems, such as phase loss, phase reversal (phase sequence), phase unbalance, undervoltage & overvoltage.

Alternating Relays: Alternating Relays are used in pump control applications, where the optimization of load usage is required by equalizing the run time of multiple loads. They are also used where additional capacity is required in case of excess load requirements for duplex or triplex control.

Time Delay Relays: Macromatic offers a wide variety of plug-in, encapsulated & 1-16 DIN style time delay relays and accessories, allowing you to select the exact product to meet your needs. Choose from an extensive offering of timing functions, analog or digital-set products, single function or multi-function units, and standard or custom designs.

Pump Seal Failure Relays Relays: Pump Seal Failure Relays are designed to monitor the shaft seals of submersible pumps. If the seal starts to leak, contaminating fluid enters the seal cavity, lowering the resistance. When the resistance drops below the user-adjustable sensitivity set-point of the relay, the output relay energizes & the LED turns ON. The relay output can be used to give an alarm indication of a leaking seal.

Voltage Monitor Relays: Voltage Monitor Relays monitor either AC single phase (50-60Hz) or DC voltages to protect equipment against voltage fault conditions. Two styles of Voltage Monitor Relays are available: Over/Under Voltage Relays--provides protection against an over or under voltage condition; and Voltage Band Relays--where equipment is required to operate within an upper & lower voltage limit.

Current Sensing Relays: Current Sensing Relays monitor AC single phase currents for over or under current conditions. Macromatic offers a wide variety of plug-in & encapsulated versions. Choose between Overcurrent or Undercurrent Relays, with a choice of fixed or adjustable time delays. An external current transformer may be used to extend the range of these products.

Intrinsically-Safe Relays: Intrinsically Safe Relays provide a safe and reliable method to control a load (motor starter, relay, etc.) with an input device (switch, sensor, etc.) located in a hazardous area.

Custom Products: Need a slight modification from a catalog-listed product or something designed & manufactured for a specific application? Macromatic is dedicated to providing solutions to your needs.

Accessories: Sockets and other mounting accessories.