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Overview of the Magnum PXR low voltage circuit breaker
MAGNUM PXR PRODUCT GUIDE PA013006EN September 2022 www.eaton.com
1
Value-added features
Magnum provides numerous other internal and external
features that further enhance the reliability, maintenance
and safety of this industry leading product offering. Several
additional common features are highlighted below. See
the following sections on PXR trip unit and communication
modules and Magnum PXR Accessories for more in-depth
information.
•
Available Arcflash Reduction Maintenance System™
optional on PXR 20 and standard on PXR 25 trip units,
to lower personnel risk and PPE levels in the arcflash
boundary.
•
Field installable trip units and accessories.
•
Mechanical and electrical anti-pump features.
•
Easily removable arc chutes for inspection.
•
Common accessories for all frame sizes (electrical and
mechanical).
•
Automatic drawout primary shutters.
•
Conveniently located finger proof secondary contacts.
•
Will accommodate a variety of primary terminal types/
configurations.
•
Fungus-proof breaker housings.
Front cover features
•
The front cover contains a conveniently accessible
operating panel with clear words and symbols identify-
ing functions while guiding operations. This intuitive
interface permits an authorized operator to proceed with
confident control and precise configurations.
•
Prominently displayed nameplate provides important
circuit breaker specific information. Magnum breakers
must be applied within their nameplate ratings.
•
Some field installable accessories are easily identified
by name and rating through viewing windows. They are
the shunt trip, spring release and undervoltage release.
•
Optional padlockable cover limits access to “CLOSE”
and “OPEN” pushbuttons
•
Complete access to the “CLOSE” pushbutton can be
prevented with optional prevent close cover.
Figure 5. Nameplate breaker information
Figure 6. Accessory viewing windows
Figure 7. Optional padlockable cover
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