Start with Moeller - Klockner Moeller Parts

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Motor Protection
motor protection from Moeller
protection solutions to 820A
R
> Superior IEC designs
> Class 10 protection for modern motors
> Ambient temperature compensation
> Test / OFF button
> Automatic & manual reset
> Trip indication & trip-free release
> Integrated NO & NC contact
Feature Comparison
B2
Protection Relay
ZE ZB Z5 ZW7 ZEV EMT
Phase-failure sensitivity ✔ ✔ ✔ ✔ ✔
Temperature compensation ✔ ✔ ✔ ✔ ✔ N / A
Auxiliary switch 1 NO + 1 NC ✔ ✔ ✔ ✔ ✔ ✔
Test / OFF button ✔ ✔ ✔ ✔ ✔ ✔
Reset button manual / auto ✔ ✔ ✔ ✔ ✔ ✔
Separate mounting ✔ ✔ ✔ ✔ N / A
Protection for heavy starting duty ✔ ✔ ✔
Trip-free release ✔ ✔ ✔ ✔ ✔ N / A
LCD Display ✔
LED Display ✔
Selectable trip time ✔
✔ = standard features
Moeller offers an array of motor protection solutions, from the modest “ZE”
bi-metallic thermal overload relay, to our advanced ZEV electronic motor protector.
We also offer relays specifically built for motors with PTC thermistors.
Better protection
Modern motors are built with less metal, which means they dissipate less heat.
This calls for the modern protection offered by IEC-style Class 10 overload relays...
they trip in 10 seconds under locked rotor conditions. Most motor manufacturers
today recommend this type of “close” protection. If your application calls for longer
run-up times, our ZW7 current transformer relay or ZEV programmable relay
are an ideal choice.
Many standard features
All Moeller overload relays come with a host of standard features including phasefailure
sensitivity, temperature compensation, test / reset buttons and a trip-free
release. This safety feature prevents the relay from being held closed during an
actual overload.
Worldwide approvals
With the benefit of all major approvals, motor protection from Moeller can be
used in virtually every country on the planet.
For Immediate Delivery call KMParts.com at (866) 595-9616