Genuine Square D molded-case circuit breaker professionally removed from a functioning UPS, then cleaned, inspected, and shop-tested. A fast, like-for-like replacement when uptime matters.
Where it’s used (typical)
UPS input or output breaker
Maintenance bypass breaker
Battery-string disconnect (verify DC suitability on the nameplate)
At-a-Glance Specs
Parameter
Detail
Manufacturer
Square D (Schneider Electric)
Part number
MAL367001386 U(as labeled)
Voltage rating
600 Volt(as labeled)
Continuous current
600 Amp(as labeled)
Interrupting capacity
Per nameplate (kAIC varies by build/region)
Trip / protection
As built and marked for the MAL unit (verify settings on label)
Terminations
Line/Load lugs or bus/stab interface (per UPS position)
Compliance
UL / IEC as marked on device label
Condition
Tested pull — cleaned, inspected, verified; light cosmetic wear only
What “Tested Reclaimed Part” Means
Visual inspection for heat discoloration, terminal pitting, cracks, label integrity
Mechanical open/close cycling and latch integrity check
Electrical verification: contact condition; insulation resistance per shop procedure
Condition, Options & Warranty
Option
What’s included
Warranty
Tested Pull
Cleaned, inspected, verified operation; intact labels; ready to install
90‑day
Why buy from Gruber
Professionally reviewed — Functionality analyzed in our electronics lab.
Ready to install — Function tested simulating real life.
Guaranteed quality — Backed by our 90-Day replacement warranty.