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Eaton IZM32 User Manual

Eaton IZM32
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15IZM32 / IN32 low voltage air circuit breaker MN013017EN May 2022 www.eaton.com
Section 3: Circuit breaker description and operation
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2
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Primary disconnect finger cluster
Arc chamber
Tripper bar
Levering device bearing plate
Padlockable levering device access door
Circuit breaker nameplate
Baffled arc chute cover
Secondary disconnects (contacts)
Faceplate (front cover)
Drawout rail supports
Integral lifting handle
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Figure 3-1 Typical drawout circuit breaker features (front and rear views)
Section 3: Circuit breaker description and
operation
3-1 Introduction
IZM32 / IN32 circuit breakers are available in two physical
frame sizes (3 & 4 poles) in both drawout and fixed
mounting configurations (Figure 3-1 and Figure 3-2). A
majority of features are common to both configurations,
and will be discussed in this section. The mounting features
unique to the drawout and the fixed configurations will be
covered individually in Sections 4 and 5 respectively.
Controls and indicators for both drawout and fixed circuit
breakers are functionally grouped on the front of the circuit
breaker. The front escutcheon (faceplate) covers all
continuous current ratings through 4000A.
3-2 Basic circuit breaker assembly

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Eaton IZM32 Specifications

General IconGeneral
BrandEaton
ModelIZM32
CategoryCircuit breakers
LanguageEnglish

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