Engineered for commercial and industrial applications, this three-pole 50A device delivers UL 1077 supplementary protection for control wiring. It installs onto standard 35mm DIN rail systems and serves as a functional replacement for the legacy WMZS3B50 model. Featuring a B-curve thermal-magnetic trip profile, it responds to short circuits between 3 and 5 times the rated current, making it ideal for resistive or slightly inductive loads where high inrush currents are not expected.
Specifications
Brand
Eaton / Cutler-Hammer
Series
FAZ
Part Number
FAZ-B50/3
Amperage
50A
Voltage
240VAC, 480Y/277VAC, 415VAC
Poles
3
Phase
3
AIC Rating
15kA @ 240VAC, 5kA @ 480Y/277VAC, 15kA @ 415VAC
Mounting Style
DIN Rail
Terminal Type
Box Lugs
For Use With
DIN Rail Systems, Industrial Control Panels
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Curve
B
Trip Adjustability
Fixed
Wire Gauge
18-4 AWG
Max Wire
4 AWG
Min Wire
18 AWG
Available Options
Auxiliary Switch, Shunt Trip, Undervoltage Release, Lockout Attachment, Busbar System
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