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MITSUBISHI – SD-N21 – Contactor – Tested

Manufacturer

OEM Part Number

SD-N21

GPS Part Number

20-MIT-SD-N21

Price:

$40.00

Specifications
View Spec Sheet
Voltage AH/kVA Length Width Height Weight
48 V DC 32 A 4" 2.95" 2.95" 1.61 lbs
Voltage 48 V DC
Amp/H 32 A
Length 4"
Width 2.95"
Height 2.95"
Weight 1.61 lbs
UPS Contactor โ€” MITSUBISHI SD-N21
3-Pole โ€ข Amp Class (per nameplate) โ€ข Tested Reclaimed Part

Genuine MITSUBISHI Electric industrial contactor 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 contactor
  • Maintenance bypass contactor
  • Battery-string or charger contactor (verify DC suitability on the nameplate)
At-a-Glance Specs
Parameter Detail
Manufacturer MITSUBISHI ELECTRIC
Part Number SD-N21 (as labeled)
Main contacts rating AC-3 / per nameplate
Coil voltage Per nameplate (verify coil code on label)
Poles main; auxiliaries as fitted
Interrupting capacity N/A for contactors โ€” follow SCPD/coordination per nameplate
Terminations Line/Load screw or lug terminals (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: coil pick-up/drop-out and insulation resistance 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