Littelfuse, Inc. Monitor - Relay Output ECSL61AH

The ECSL61AH is a single-phase AC current sensor in the ECS Series, designed for undercurrent monitoring with a 230VAC input voltage. It features a built-in toroidal sensor for direct wiring, adjustable trip point range of 2-20A, trip delay of 0.150-7s, and a sensing delay on startup of 6s. The device includes an isolated SPDT relay rated at 10A resistive at 240VAC, with mechanical and electrical life ratings of 1×10⁶ and 1×10⁵ cycles respectively. Its encapsulated circuitry provides protection against shock, vibration, and humidity. The unit is surface-mounted with two #6 screws and measures 88.9 mm high, 63.5 mm wide, and 44.5 mm deep, with 0.25 in. (6.35 mm) male quick connect terminals. It operates over a temperature range of -40°C to 60°C and meets an isolation voltage of ≥2500V RMS.