Retrofits: Ground-Fault and Motor Protection
MPU-32 replacing a P&B Golds relay
MPU-32 replacing a P&B Golds relay


Function:
  • Replace obsolete equipment with Littelfuse Startco microprocessor-based protection.

Features:
  • Microprocessor-based protection.
  • Proven reliability.
  • Additional protective functions.
  • Wide operating temperature range.
  • Enhanced capabilities.
  • Unaffected by physical orientation.
  • Minimize change-out time.
  • Eliminates costly annual calibration.

Typical Applications:
Use the MPS, MPU-32, FPU-32, SE-134C or SE-701 as replacement for electro-mechanical or obsolete ground-fault, overload, overcurrent, undercurrent, and motor protection equipment.

Notes:
Littelfuse Startco can design and manufacture retrofit packages for most applications. Refer to TI Section 12 for a complete list. Contact Littelfuse Startco for more information.


MPS replacing AB Bulleting 1406 relay - BEFORE
Before
MPS replacing AB Bulleting 1406 relay - AFTER
After

MPS replacing an AB Bulleting 1406 relay. Refer to TI 13.3 AB Bulletin 1406 to MPS Retrofit for details.


PMA-1 Adapter Multilin

Use the PMA-1 when replacing the
Multilin 169 or 269 with the MPU-32.


SE-134 Adapter

The SE-130 series are an excellent choice
to retrofit Atkinson Omser-II relays. Refer to TI 12.9.


PMA-10 GE Lodtrak III

Use the PMA-10 when replacing the GE Lodtrak III with the MPU-32
A drawout replacement is also available.

PMA-6 FPL-GFRM

Use the PMA-6 with a PMA-55 when replacing the
FPL-GRM with an SE-701. Drawout replacement is also available.