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www.intermountainelectronics.com Email: [email protected] Phone: (877) 544-2291 / (435) 637 7160 LLI-1 3-Phase Voltage Monitor P/N 1100-9570 LLI-1 3-Phase Voltage Monitor LLI-1 is a simple, inexpensive 3-phase voltage monitor. Lamps for each phase on the front panel flash when voltages are present. The flash rate increases with higher voltages and vice versa. Electrical connections are provided for each bus and ground. The LL-1 is powered from the bus being monitored, so no additional connections are needed. Features & Specifications: Inexpensive, simple way to add “voltage present” monitor to a 3-phase bus. Simple to install and use. No controls or calibration required. Small size. Requires only 3.25” x 3.5” panel space. Independent indicator lamps for each phase. Lamps flash when phase is energized. Frequency of lamp flashes increase with higher voltages, and vice versa. Independently monitors phase-to-ground voltages on each phase. Powered from the bus being monitored - No power supply needed. Simple operation: No calibration required, no operator controls. Monitoring voltage: 120VAC - 600VAC (Phase - GND) Ordering Information: Part Number 1100-9570 WARNING Voltage Range LLI-1 3-Phase Voltage Monitor The LLI-1 is not intended to be used as a sole indication that there is no voltage present. Make certain that power is removed using a separate visual disconnect switch (or equivalent) prior to performing tasks that may result in exposure to dangerous voltages. www.intermountainelectronics.com www.intermountainelectronics.com Front and Rear Panels Front Panel: Rear Panel: Phase Indicator Lamps: Flash faster at higher voltages, slower at lower voltages. Phase & Ground Wires: Connect green wire to ground, other 3 wires to phases. Mounting Screws: #8 screws recommended. Mechanical Characteristics www.intermountainelectronics.com (877) 544-2291 / (435) 637-7160 Panel Cutout WARNING The LLI-1 is not intended to be used as a sole indication that there is no voltage present. Make certain that power is removed using a separate visual disconnect switch (or equivalent) prior to performing tasks that may result in exposure to dangerous voltages. Important Notice This document contains information intended to aid in the proper installation and operation of the product described. Although this information will prove useful to the properly trained and qualified user, it is not practical to cover every possible situation, installation contingency, or other detail. It is imperative that proper engineering and techniques are adhered to in the installation, operation, and maintenance of this product. It is the responsibility of the user to ensure that any system utilizing this product is safe, and that all personnel involved with the selection, installation, maintenance, and use of this product are properly qualified. This product must not be used in situations where its ratings are exceeded. While every effort has been made to make sure the information in this document is accurate, IE cannot guarantee that there are no errors. Users of this product should verify any aspects of the product’s design or performance that are critical to their application, and in particular, any aspects that may affect the safety of the overall system or installation. Product design and specifications may change without notice. © 2014 Intermountain Electronics, Inc. www.intermountainelectronics.com 2000-2052-A