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MERLIN GERIN – NSJ400 H – Circuit Breaker – Tested

Manufacturer

OEM Part Number

NSJ400 H

GPS Part Number

20-SQD-NSJ400H

Price:

$400.00

Specifications
View Spec Sheet
Voltage AH/kVA Length Width Height Weight
600V 400 A 8.05" 8.27" 12.86" 23 lbs
Voltage 600V
Amp/H 400 A
Length 8.05"
Width 8.27"
Height 12.86"
Weight 23 lbs
UPS Circuit Breaker โ€” MERLIN GERIN NSJ400 H
3-Pole โ€ข 400 Amp Class (per nameplate) โ€ข Tested Reclaimed Part

Genuine MERLIN GERIN / Schneider Electric industrial circuit breaker professionally removed from a functioning UPS, then cleaned, inspected, and shop-tested. A fast, like-for-like replacement when uptime matters.

Where itโ€™s used (typical)
  • UPS input or output protection
  • Maintenance bypass isolation
  • Battery or DC link protection (verify suitability on the nameplate)
At-a-Glance Specs
Parameter Detail
Manufacturer MERLIN GERIN (Schneider Electric)
Part Number NSJ400 H (as labeled)
Frame / Rating 400 A class (verify trip unit and settings on label)
Coil voltage N/A (circuit breaker)
Poles 3-pole
Interrupting capacity Per nameplate / application (check kAIC on device)
Terminations Line/Load lugs or studs (per installation)
Compliance UL / IEC as marked on device label
Condition Tested pull โ€” cleaned, inspected, verified; light cosmetic wear only
What โ€œTested Partโ€ Means
  • Visual inspection for heat discoloration, terminal pitting, cracks, label integrity
  • Mechanical open/close cycling and latch integrity check
  • Electrical verification of trip function per shop procedure
Condition, Options & Warranty
Option Whatโ€™s included Warranty
Tested Pull Cleaned, inspected, verified operation; intact labels; ready to install 90‑day
Why buy from Gruber
  • Professionally reviewed โ€” Functionality analyzed in our electronics lab.
  • Ready to install โ€” Function tested simulating real life.
  • Guaranteed quality โ€” Backed by our 90-Day replacement warranty.
Gruber Power Services