Eaton IZM97 Instruction Manual

Also see for IZM97: Operation and Maintenance Instructional Manual Instructions Installation guide

9New generation IZM97, 99 low voltage air circuit breaker instruction manual MN013010EN February 2020 www.eaton.com.cnSection 2: Receiving, handling, and installationFigure 2-9 Drawout circuit breaker in cassette Figure 2-10 Drawout circuit breaker with automatic pri-mary disconnectsDrawout cassetteA drawout circuit breaker is used in combination with a fixeddrawout cassette (Figure 2-9); the drawout circuit breaker isequipped with automatic primary disconnects (Figure 2-10).The cassette provides all of the necessary interfaces to thedrawout circuit breaker, including automatic primary and sec-ondary connections. For the IEC circuit breaker, a cassettestyle using horizontal stabs and horizontal customer busbarterminals is available as standard (Figure 2-11). The cassetteterminal connections can be adapted to vertical busbar con-nections with a variety of optional vertical adapters.Mounting locations for cell (TOC) switches, safety shutters,mechanical interlocks, and key interlocks are provided on thecassette.Drawout circuit breaker dimensionsThe drawout circuit breaker connects to the fixed primarystabs of the drawout cassette through the primary fingerclusters attached to the rear of the circuit breaker. Two dif-ferent frame sizes cover all circuit breakers from an overalldimensional standpoint.