About Us

SENSERT™ is a product of the ATC Diversified Electronics, a division of Marsh Bellofram. ATC Diversified Electronics offers a broad range of devices for automation, motor protection, electrical safety, and power quality. These include time delay relays, voltage and current monitors, alternating relays, pump and level controls, seal failure alarms, isolated switches, permanent electrical safety devices (PESDs), and power quality meters.

As a leader in solid-state control products for over 50 years, ATC was the industry pioneer in the first Phase Monitor Relay designed to protect 3-phase equipment from adverse conditions such as Phase Loss (single phasing), Under Voltage (brown-outs), and Phase Reversal (improper sequence). Continued investment in new product R&D and continuous quality improvements allows the ATC Diversified team to offer market-leading technologies, keeping pace with the needs of an evolving industrial marketplace.