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E-MAX E-MAX Instruments, Incorporated is a leading provider of Digital Fault Recorders, Relays, Power Supplies and Control Accessories to the power industry. The company is headquartered in Englewood, Colorado. Founded in 1975, E-MAX is a major source of innovative products that stress quality, reliability, and performance. All E-MAX products and systems are comprehensively supported with training, prompt assistance and incomparable customer service. The E-MAX commitment to product quality and after-sale service sets the standard for the industry. Trip Indication Relays, TIRs, are an early E-MAX success story. Introduced as the first product line for E-MAX, the TIRs are noted for their high reliability, millisecond actuation, simple installation and minimal cost. The Control Accessories line has since expanded to included Auxiliary Voltage Relays, and Diode Assemblies. Increased demands for innovative products set E-MAX in motion for growth in the 1980s. Leading the way were new product lines that included Battery Relays, DC/DC Converter s, and a second generation Frequency Relay, the SFR-2. The SFR-2 transformed the industry with its high noise immunity, ability to be field expandable and a case that could directly replace previous units.